LM-79 Moving Detector Goniophotometer (Mirror Type C)
LSG-6000
High Precision Rotation Luminaire Goniophotometer
LSG-1890B
High Precision Rotation Luminaire Goniospectroradiometer
LSG-1890BCCD
Goniophotometer for Automotive and Signal Lamps
LSG-1950
Goniophotometer for Traffic Signal Lamps
LSG-1950S
Compact Goniophotometer
LSG-1200A
Near Field Moving Detector Goniophotometer
LSG-1900B
LEDs and Luminaire Test Solutions
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IS 16102 (Part 2): 2026 specifies the performance requirements for self‑ballasted LED lamps used for general lighting services in India, complementing the safety provisions defined in Part 1. This edition establishes clear, updated criteria covering key performance characteristics including luminous flux, luminous efficacy, correlated colour temperature (CCT), colour rendering index (CRI), power factor, flicker, and lifetime performance, ensuring LED lamps meet consistent and reliable quality benchmarks for general lighting applications.
Compared with the earlier version, the 2026 update introduces more stringent and detailed test methods for electrical, photometric, and chromatic performance, along with strengthened requirements for energy efficiency and operational stability. It also aligns with contemporary international performance standards for LED lighting products, providing manufacturers, test laboratories, and regulators with a unified technical framework to evaluate product quality, support market compliance, and promote the deployment of high‑performance LED lighting solutions in India.
IS 16102(Part 2): 2026 Self-Ballasted LED Lamps for General Lighting Services Part 2 Performance Requirements
LISUN supplies the fully test solutions for the following IS 16102(Part 2): 2026 , please see the below excel table:
| IS 16102-2: 2012 Clause and Subject | LISUN Model |
| 3.3-3.8 Lumen Maintenance | LEDLM-84PL |
| 7 Test Conditions | |
| 11.2 Lumen Maintenance | |
| 3.9 Photometric Code | LMS-6000 |
| Table I Required Marking | LPCE-2(LMS-9000) |
| 7.2.3 Compliance Testing of Family Members | |
| 9.1 and 9.3 Luminous Flux | |
| 14 Tests | |
| 8.3 Harmonics | LS2090 |
| 8.4 Emission of Radio Frequency Disturbances | RFCI61000-6 |
| 8.5 Flicker and Stroboscopic Effects | LSRF-3 |
| 3.16-3.26 LED Luminous Intensity | LSG1890B |
| 9.2 Luminous Intensity Distribution, | |
| 10 COLORIMETRIC CHARACTERSTICS | LMS-6000 |
| 11.3 Endurance Tests | GDJS-015B |
There are some standards focus on specifying technical requirements and test methods for different categories of lampholders in the lighting field, ensuring their safety, compatibility, and...
LISUN’s Motor-Operated Tool | Power Tool Testing solutions strictly comply with a range of core international standards, providing full support for safety and electromagnetic compatibility (EMC)...
LISUN’s electric toy testing solutions cover IEC 62115, EN 71-1, ASTM F963 standards. Including electrical, mechanical, flammability tests to ensure toy safety compliance globally.
LISUN’s transformer test solutions meet IEC 61558-1, IEC 60076-1, IEC 62041 standards. Covering safety, performance, EMC tests, ensuring transformers comply with global requirements.
LISUN’s energy meter testing solutions align with IEC 62052-11, IEC 62053 series standards. Covering safety, electrical, environmental, and EMC tests, we help manufacturers meet global compliance...
LISUN’s audio-video communication testing solutions meet CISPR 13, IEC 60065, FCC Part 15 & EN 55032. Cover EMC, safety & performance tests for reliable AV equipment...
LISUN’s household and appliance switch testing solutions meet IEC 60669, IEC 61058, IEC 62271 standards. Covering electrical, mechanical & EMC tests for global compliance.
LISUN’s automotive electronics test solutions cover photometric/colorimetric testing, EMC immunity tests, IP waterproof/dustproof tests, and environmental simulation, meeting ISO, SAE, ECE standards.
LISUN’s cable and wire test solutions meet IEC 60245-1, IEC 60227-1, IEC 60502-1 and IEC 60189 standards, covering electrical, mechanical, and safety tests for global compliance.
LISUN has all equipment according to the IEC60669 measurement, including environmental chamber, IP code waterproof dustproof test, switch lift test, etc.
LISUN provide full test solutions for HID lamp, including integrating sphere system, goniophotometer system, EMI EMC chamber, HID ballast tester, electrical safety test, etc.
Lisun can supply full test solutions for fluorescent lamp, including integrating sphere system, goniophotometer system, EMI EMC test, electronic ballast tester, electrical safety test, etc.
For the CFL design and manufactory, LISUN can supply a full quality control test solution, including photometric, colorimetric, electricity, flicker, IES candela distribution, surge test, electrical...
LISUN’s indoor and outdoor LED test solutions meet IEC 60598-1, IEC 62722-2-1, CIE 121 standards, covering safety, photometry, and environmental tests for global compliance.
Abstract The light wavelength meter is the core testing equipment for the optical performance detection of light sources, widely applied in lighting, display, plant lighting, ultraviolet...
Abstract: Color temperature is a core photometric and colorimetric parameter in the fields of lighting sources, display devices, horticultural lighting, and healthy lighting. Accurately measure color...
Abstract As core equipment for verifying the environmental adaptability and reliability of industrial products, the temperature and humidity environmental chamber can accurately reproduce the dynamic changes...
Abstract Accurate lumen measurement is fundamental for lighting product development, quality control, and regulatory compliance. This paper presents a comprehensive analysis of seven essential lumen measurement...
Abstract In the R&D and quality inspection of products in LED lighting, electrical and electronic, and electronic component industries, environmental adaptability and reliability verification are core...
Abstract The flicker meter has emerged as a critical instrument in modern optical testing, particularly for LED and lighting applications where temporal light modulation directly impacts...
In 2026, the Bureau of Indian Standards (BIS) completed and issued the revised standard IS 16102-2:2026 for the operational performance of outdoor LED lighting equipment. As...
On February 24, 2026, the Bureau of Indian Standards (BIS) officially released the revised safety standard for self-ballasted LED lamps for general lighting, IS 16102-1:2026, which...
Abstract: Thermal chamber is a core instrument for verifying the environmental adaptability and reliability of industrial products, and plays a critical role in R&D and quality...
Abstract: The lux meter is a core instrument for optical parameter testing of light sources. Its measurement accuracy and parameter coverage directly determine the scientificity of...
Abstract: As the core functional unit of the high and low temperature humidity alternating test chamber, the temperature humidity controlled chamber is the key to achieving...
Temperature and humidity are core environmental factors affecting the performance stability and structural reliability of industrial products. LED lamps, electronic components and various industrial materials have...
Abstract With the continuous advancement of industrial technology and the widespread application of lighting equipment, the demand for accurate measurement of brightness of light has become...
Abstract In the process of industrial product R&D, production quality inspection, and compliance certification, the environmental adaptability and reliability of materials and products are key factors...
Abstract In the system of industrial product R&D, production quality inspection, and compliance certification, the environmental adaptability and reliability of materials and products are core indicators...
Abstract In lighting quality assessment, display device calibration, and various light source R&D, color temperature, as a core parameter describing the chromatic characteristics of a light...
Humidity chamber is not a generic laboratory enclosure but it is a precision system that has a direct effect on the validity of reliability stability and...
The thermal test chamber is a fundamental tool of accelerated aging and analysis of the heat stress due to the fact that the heat is among...
The climate test chamber is used to simulate controlled climatic conditions such as temperature and humidity that the product undergoes during storage transportation and operation. Climate...
The use of high temperature test equipment is critical in whether materials would be able to survive and perform reliably under high thermal stress. Heat resistance...
A mini temperature chamber has proved to be a necessity in laboratories requiring accurate thermal regulation and is less costly in footprint and at the same...
A humidity test chamber is one of the foundations of stability testing in which moisture-induced degradation is a believable risk. Water vapor undergoes interactions on its...
Environmental test program qualifies electronic components as a basic condition that they should be able to work under various operating and storing conditions. Electronics in modern...
A climatic chamber is a major equipment in checking whether components are viable and can perform well in the case of combined temperature and humidity pressure....
Environmental chamber lacks being just hot or cold. Qualification of current products involves concomitancy and simultaneous regulation of airflow temperature and humidity plus in certain cases...
A thermal chamber is a key laboratory equipment that is utilized to analyze the product behavior under temperature stress. Diminished time, duration of thermal exposure In...
Abstract With the upgrading of the lighting industry towards high efficiency and intelligence, the optical-color performance of LED lamps, bulb lamps, and street lamps has become...
Knowledge of the behavior of materials to repetitive temperature variations is vital in the design of durable products used in electronics, automobile, aerospace, and manufacturing industries....
Innovative products are supposed to perform in various weather conditions under extreme temperatures and humidity, high or low rates of climatic changes, as well as being...
In real-life situations, the products are hardly subjected to constant temperatures. Rather, they are subject to unremitting fluctuation as caused by climate, operating load, and nearby...
The conditions in the modern automotive and aerospace systems are so harsh that they subject materials, electronic and mechanical assemblies to the supreme strain. Temperature variations,...
Precise optical measurements require the capability to acquire the light yield correctly, or repeatably. This is common with a sphere light source which is an integrating...
Thermal stress analysis is an important tool in establishing the behavior of materials, electronics, and mechanical assemblies at excessive temperatures. The temperature test chamber will be...
Photometric testing is still a critical need to light manufacturers, LED modules manufacturers, automotive lamp manufacturers, display manufacturers, and architectural lighting manufacturers. The possibility of defining...
Abstract In the modern display technology and lighting industries, spectrum testers, also known as spectroradiometers, have become indispensable tools for measuring color, luminance, and spectral power...
The contemporary product production needs testing in the real environment, rather than laboratory testing on its own, when controlled. Materials, electronics, mechanical structures, and coatings as...
Environmental testing is essential in engineering industries including the automotive, defence, electronics manufacturing, industrial equipment and medical equipment and aerospace industries as it assures durability and...
With the ever-increasing integration of electronics, composite materials and precision mechanical systems in modern products, there is an increased concern regarding reliability of these modern products...
The reliability and stability of the modern materials, electronics, and other consumer products is tested on the controlled environment in which temperature and humidity can be...
Hong Kong International Autumn Lighting Fair, October 27-30, 2025 — LISUN GROUP, a world-leading supplier of lighting solutions, was invited to participate in the 2025 Hong...
Abstract In the fields of lighting engineering design, luminaire research and development, and quality control, the spatial distribution characteristics of luminaire optical performance are the core...
Abstract As lighting technology advances toward intelligence and specialization, the accurate testing of light source optical performance parameters has become a key link in evaluating lighting...
Abstract This paper focuses on the LISUN GDJS-015B Temperature and Humidity Control Cabinet, systematically expounding its technical principles, core performance parameters and industrial application value. As...
Abstract As the core control component of lighting systems, LED drivers directly determine the lifespan and energy efficiency of LED modules. LED Driver Testing Equipment is...
Abstract In the links of product R&D, production, and quality control, environmental reliability testing is a key means to verify the performance stability of products under...
Abstract In the fields of material research and development and product quality testing, the impact of climatic environments on performance is crucial. As a core testing...
Abstract:Aiming at the unclear difference in optical performance among five types of mainstream lighting fixtures in the market, namely bulb lights, PAR lights, LED lights, street...
Abstract Light illumination measurement is a critical technical process in fields such as lighting engineering, industrial production, and environmental monitoring, as it directly determines the rationality...
Abstract With the rapid development of the LED industry, the reliability and performance of LED driver power supplies have become crucial factors affecting the quality of...
Abstract Humidity and temperature chamber, also known as environmental test chamber or thermal chamber, is a critical equipment designed to simulate various climatic conditions for evaluating...
Abstract This article focuses on the lumen maintenance test method for LED products, aiming to provide a detailed introduction to the testing principles, procedures, and practical...
Abstract This paper delves into the technological advancements and practical applications of the chroma light tester, with a specific focus on the LISUN LMS-6000 Portable CCD...
Introduction Heating chambers, also known as environmental test chambers, are critical tools in reliability testing, widely employed to simulate extreme climatic conditions such as high temperature,...
Abstract LED driver testers play a pivotal role in ensuring the performance, safety, and compliance of LED power drivers, which are critical components in LED lighting...
Introduction The rapid advancement and widespread adoption of LED lighting technology have revolutionized the illumination industry, offering energy efficiency and longevity. However, the issue of light...
Introduction Environmental chambers are sophisticated testing instruments designed to replicate extreme environmental conditions such as high temperatures, low temperatures, humidity, salt spray, and vibrations. These...
Introduction Low temperature testing is a cornerstone of environmental reliability testing, playing a pivotal role in industries such as electronics, automotive, aerospace, and materials science. This...
Introduction The integrating sphere system is a cornerstone of optical testing, designed to measure the luminous, reflective, and transmissive properties of light sources, optical components, and...
Introduction The rapid advancement of LED lighting technology has transformed the illumination industry, making LED lamp testing equipment a critical tool for ensuring the quality, performance,...
Introduction In modern industrial production and scientific research, high-low temperature and humidity alternating test chambers are critical environmental testing devices widely used in industries such as...
Introduction Luminous flux is a fundamental photometric quantity that measures the total amount of visible light emitted by a light source over time. It serves as...
Introduction The rapid evolution of LED lighting technology has revolutionized the lighting industry, making LED luminaires the preferred choice for residential, commercial, and industrial applications due...
Introduction In the realm of analytical instrumentation, spectrophotometry stands as one of the most essential and widely used techniques for quantifying light absorption and transmission. By...
Introduction The rapid advancement of lighting technology has underscored the critical role of efficient and reliable lighting test equipment in the illumination industry. The LPCE-2 (LMS-9000)...
Introduction The widespread adoption of LED lighting technology has transformed the lighting industry, establishing LED luminaires as the preferred choice for modern illumination due to their...
Introduction As LED lighting technology continues to advance rapidly, the demand for precise performance testing of lighting products has grown significantly, particularly for key metrics such...
Introduction In the realm of color measurement and material analysis, precision and accuracy are paramount. Among the various instruments designed for these purposes, sphere spectrophotometers stand...
Introduction In modern indoor horticulture, the application of LED plant grow lights has become a trend. These fixtures significantly boost the efficiency and yield of indoor...
Introduction In modern industry and scientific research, environmental simulation equipment plays a crucial role. These devices can precisely control key parameters such as temperature and humidity,...
Abstract The RF conducted immunity test system is a crucial tool for assessing the immunity to conducted disturbances in various electronic devices. This paper provides a...
Introduction Accurate brightness measurement is crucial in the evaluation and optimization of modern lighting products and display technologies. The LISUN LMS-6000L Portable CCD Spectroradiometer, widely regarded...
Abstract As the complexity of electronic devices continues to increase, ensuring electromagnetic compatibility (EMC) becomes essential to guarantee operational reliability. One critical component of EMC compliance...
In the rapidly evolving world of scientific measurement technology, handheld spectrometers have gained significant attention for their portability, efficiency, and versatile applications. One such advanced tool...
Abstract Temperature and humidity chambers play a critical role in evaluating the durability and performance of various materials and electronic components under different climatic conditions. This...
Introduction The RF Conducted Immunity Test System is an essential component in the field of electromagnetic compatibility (EMC) testing, specifically designed to evaluate the immunity of...
Introduction In the field of environmental testing, the thermal cycle test chamber plays a crucial role in ensuring the reliability of materials, components, and products under...
In the rapidly evolving world of light measurement, portable spectroradiometers have become indispensable tools for professionals across various industries. These devices provide precise measurements of light...
The demand for reliable and energy-efficient LED lighting products has surged in recent years, emphasizing the importance of rigorous testing standards. The LED Lumen Maintenance and...
Abstract: This paper focuses on the long – focus crossed asymmetric CT spectroscopic system, with a particular emphasis on the crucial role of illuminance. By integrating...
Abstract: The demand for color testing in various industries, including lighting, manufacturing, and quality control, has driven advancements in spectroradiometer technology. Color testers, such as the...
Introduction Temperature and humidity testing plays a crucial role in assessing the durability and reliability of products in extreme environmental conditions. The LISUN GDJS-015B Temperature Humidity...
Introduction Handheld spectrometers are increasingly popular in various fields such as lighting testing, research, and quality control. These devices offer flexibility, portability, and precision in measuring...
Introduction The climate test chamber is an advanced tool designed to simulate various climatic conditions, such as heat resistance, cold endurance, dryness resistance, and humidity tolerance....
Abstract: In modern lighting technology and environmental research, precise light measurement plays an integral role in achieving accuracy and compliance with international standards. One such indispensable...
Abstract Flicker testing has become an essential process in assessing the performance of modern lighting systems. With increasing adoption of LED lighting, understanding and evaluating flicker...
Introduction In today’s increasingly demanding industrial landscape, testing the durability and performance of products under various climatic conditions is critical to ensuring product reliability and long-term...
Introduction The importance of environmental testing has grown exponentially as industries seek to ensure the durability and reliability of their products. One of the most commonly...
The measurement of light wavelength is a fundamental aspect of photometry and spectrometry, crucial for applications across various scientific and industrial fields. Accurate measurement of light...
Abstract This article explores the use of humidity test chambers to evaluate product performance under varying climatic conditions. Emphasizing the importance of meeting industry standards, such...
The High and Low Temperature Humidity Chamber is an essential tool used in various industries to simulate environmental conditions, including temperature fluctuations and humidity levels. This...
Environmental testing is critical in understanding how various products respond to changing climatic conditions. This paper discusses the role of thermal shock chamber, specifically the LISUN...
Abstract Humidity chambers, particularly the LISUN GDJS-015B Temperature Humidity Chamber, play a crucial role in simulating and testing the resilience of various materials and components to...
Hong Kong, October 27-30, 2024 – LISUN is excited to announce its participation in the 2024 Hong Kong Lighting Exhibition from October 27th to 30th. As...
Abstract The rapid advancement in LED lighting technology has driven the need for precise and reliable testing systems. The LISUN LSRF-3 is a comprehensive testing solution...
As a key component in the automotive power system, the performance of the drive solenoid valve directly affects the power output, fuel efficiency, and overall operational...
In today’s automotive manufacturing industry, quality inspection is a critical step to ensure the quality and performance of products. As automotive technology advances and consumer demands...
The LED driver power supply is a crucial component of LED lighting systems, directly influencing the lighting effect and lifespan of LED fixtures. Thus, comprehensive and...
Environmental testing refers to exposing products or materials to specific conditions, either natural or artificial, to evaluate their performance under realistic storage, transportation, and usage scenarios....
The high and low temperature test chamber is an essential device for conducting reliability tests on industrial products. It simulates high and low temperature environments to...
Temperature Humidity Chamber introduction: Temperature Humidity Chamber | Thermal Chamber | Climate Chamber is according to IEC60068-2-1 (GB/T2423.1) and IEC60068-2-2 (GB/T2423.2), IEC60068-2-78, IEC60598-1, GB/T2423.17, GB/T5170.2, GB/T5170.5. The climate chamber...
In recent years, with the growing energy crisis and the increasing awareness of environmental protection, LED bulbs have become a popular choice as energy-efficient lighting products....
With the development of technology, LED lighting has been widely used in the field of illumination. In order to ensure the quality and performance of LED...
As an emerging light source, LED is very different from the traditional light source in terms of its own structure and luminous characteristics. Due to the...
The constant temperature humidity chamber will cause different levels of damage to the machine and equipment after long-term temperature running-in. Therefore, the following points are common...
LISUN, a leading provider of lighting testing and measurement solutions, is excited to announce its participation in the International Trade Show of Lighting Equipment Light 2024...
Introduction: In a number of different sectors, the capacity to simulate harsh weather conditions in order to test the performance and durability of items is essential....
Dubai, 16th-18th, January, 2024 – LISUN will participate in the Lighting Exhibition held in Dubai from January 16th to 19th, 2024. As a leading global supplier...
Introduction: Temperature control is a crucial component of the manufacturing process for pharmaceutical products. This component helps ensure the quality, safety, and efficacy of the final...
Introduction Environmental stress screening (ESS) is performed to determine the durability and dependability of electronic components and goods, and temperature and humidity chambers play a critical...
In normal applications, manufacturers of high and low temperature test chambershould pay attention to maintenance and upkeep after conducting experiments, which can increase the service life...
In photometry, the measurement of the power of light is carried out using two different instruments: a goniophotometer and an integrating sphere. Both have their own...
The high and low temperature humidity test chamber, also known as the temperature shock test chamber and the thermal cycle chamber, is a device used to...
In order to achieve reproducibility, temperature tests must be designed in such a way that the highest or lowest temperature reached at a certain point in...
When it comes to the performance and reliability of components and systems, the aerospace sector is among the most demanding and crucial. Aerospace equipment must undergo...
Introduction: Solar panels are essential for capturing solar energy, which has quickly become an important renewable energy source. The need of rigorously testing the performance of...
Today’s digital era relies heavily on data centers to house and handle massive volumes of data. Energy usage and heat control are two major issues that...
Introduction As the globe moves toward cleaner and more sustainable methods of electricity production, the renewable energy industry is seeing enormous development and innovation. The development...
Introduction Environmental chambers reliability testing relies heavily on temperature cycling. Temperature cycling is a method of testing a product’s or component’s resilience and performance in severe...
Introduction: The ability to control heat is essential in the creation of any electrical equipment. Effective heat dissipation solutions are crucial to maintain maximum performance, reliability,...
Introduction Humidity’s effect on material deterioration may be measured in environmental chambers. The purpose of humidity testing is to evaluate a product’s performance and durability in...
Introductio Electronics play a crucial role in modern society because of how pervasive technology has become. Every electronic gadget, from cellphones to car systems, is built...
Introduction: Products need to be well-packaged so that they don’t get damaged or spoiled while being stored, transported, or distributed. It is crucial that items get...
Introduction Environmental elements such as temperature and humidity may have a major impact on how well and how long something lasts. The aerospace, automotive, construction, and...
Introduction Electronic components are often put through their paces in today’s fast-paced technological world, where they are exposed to a wide range of environmental conditions that...
Introduction It is of the utmost importance to ensure that the batteries in electric vehicles are both reliable and secure as the number of individuals who...
Introduction The corrosive effects of salt spray on building materials in coastal areas may have a major influence on their longevity and function. Extensive testing is...
Introduction The powers of diagnosis, treatment, and monitoring have all been significantly improved because of technological advances in medicine. Before they can be utilized in a...
Introduction The food and beverage business works in an environment that is highly regulated, and the emphasis is always placed on the quality and safety of...
Introduction More and more research and development are going into improved insulation materials in an effort to make buildings more energy efficient and environmentally friendly. A...
Introduction Spectroradiometer integrating sphere systems are now standard equipment for researchers working in the area of light measurement and characterization. These cutting-edge devices are vital for...
When assessing the effectiveness of insulating materials, thermal conductivity is a key feature to take into account. Applications ranging from thermal insulation to electronics depend on...
Introduction Corrosion is a common problem that arises in many different industries because it shortens the lifespan of products, structures, and materials. Through meticulous testing and...
Introduction The performance, dependability, and longevity of automotive components and systems may be evaluated under severe temperature settings, making thermal chambers an essential tool for automotive...
Recently, the Saudi Standards, Metrology and Quality Organization (SASO) updated its regulations concerning energy efficiency applications and the regulations will be officially implemented on 30th June,...
Introduction Industries as diverse as electronics, automobiles, airplanes, and telecommunications all rely on rapid temperature change testing. It entails putting items and parts through rapid temperature...
Introduction To guarantee their safe and dependable performance under harsh environments, aircraft components and systems must undergo extensive testing and validation within the aerospace industry. Aerospace...
From October 27th to October 30th, 2023, LISUN participated in the world -renowned Hong Kong International Lighting Fair（Autumn Edition）. This exhibition is an important event in...
In addition to components such as compressors, pressure accumulators, condensers, and dryers, the refrigeration system of the high and low temperature test chamber also has several...
Introduction Automotive, aerospace, construction, and maritime sectors all face major corrosion challenges. Manufacturers use coatings and metals with high corrosion resistance to counteract corrosion’s destructive effects....
Introduction Humidity and temperature chambers are crucial for product testing and development in many fields. The performance, dependability, and longevity of items may be evaluated in...
What is RF Immunity Test: RF Conducted Immunity Testing is a common electromagnetic compatibility testing method used to evaluate the immunity of equipment to disturbances from the...
Introduction Electronic device R&D and testing rely heavily on temperature and humidity chambers. Electronic devices must prove their dependability, performance, and durability across a wide range...
What are the standards for high and low temperature chamber? High and low temperature chamber are used to test various raw materials, such as electronics, electrical products,...
Introduction Testing and developing batteries, which are vital power sources in many sectors including automotive, electronics, renewable energy, and aerospace, need temperature and humidity chambers. Demand...
The two main functions of a high and low temperature chambers are refrigeration and heating. During the heating and cooling process, accurate, efficient, and uniform heating...
Introduction Because they allow for precise and repeatable testing of components and systems under harsh climatic conditions, temperature and humidity chambers play an essential role in...
The temperature and humidity of a high and low temperature test chamber exist in two situations: alternating test chamber and constant test chamber. The control method...
Introduction Pharmaceutical research and development greatly benefits from the use of temperature and humidity chambers for the purpose of testing and evaluating medication products, formulations, and...
Lumen is a unit of measurement for the total amount of visible light emitted by a light source. It is an important parameter in lighting design...
Introduction Medical device testing and validation rely heavily on temperature and humidity chambers. Safety, dependability, and efficacy of medical equipment are of paramount importance; hence the...
Integrating sphere, also known as a LED Measurement System, is a hollow spherical shell. Integrating spheres are usually made of metal materials and have an inner wall...
Introduction To ensure the safety, quality, and shelf life of its goods, the food and beverage sector relies heavily on temperature humidity chambers for extensive testing....
Standards: Fully meet CIE 177, CIE-13.3 , Optical-Engineering-49-3-033602, and IEEE. The Chroma Meter Specifications: • Spectral resolution: ±0.2nm, Reproducibility: ±0.5nm • Accuracy of chromaticity coordinate (Δx, Δy): ±0.005 • Correlated...
Scope of application Suitable for performance reliability tests for industrial products. This Temperature Humidity Chamber has a large temperature control range, and its performance indicators meet...
Introduction High precision spectroradiometer integrating sphere systems rely heavily on temperature regulation to get precise and repeatable readings. Temperature fluctuations may cause measurement inaccuracies and inconsistencies...
Introduction The performance and longevity of packing materials may be evaluated with the use of temperature and humidity chambers, which are multipurpose testing tools. The quality...
Programmable high low temperature chamber, also known as thermal test chamber, have been widely used in many industries to test the physical properties and endurance of...
High and low temperature chambers are a common testing equipment widely used in industries, research institutions, aerospace and other fields. By simulating extreme weather environments more...
When selecting high and low temperature humidity and heat test chamber, we should make rational selection according to our own needs, and at the same time,...
Introduction When conducting tests and experiments on materials, goods, and electronic components in a controlled environment, temperature and humidity chambers are indispensable instruments. Regular calibration of...
High temperature chamber is mainly used for high-temperature experiments in industrial and mining enterprises, laboratories, scientific research institutions, etc. It has the functions of drying and...
Temperature and Humidity Chamber is used to test the material structure and composite material, can withstand the range in the continuous environment of extreme low temperature or...
Introduction Electronic components are the backbone of contemporary technology, and many different fields depend on their dependability and efficiency. Electronic components are sensitive to temperature and...
The constant temperature humidity chamber is composed of six systems: control, humidity, refrigeration, heating, air circulation, and sensors. The working principles of these systems are: 1....
Introduction Manufacturing, construction, aerospace, and automotive are just a few of the sectors that rely heavily on material testing. The capacity of materials to survive various...
I. Working Principle of Each Component of High and Low Temperature Constant Temperature Chamber The cooling system of high and low temperature test box is one...
In the production process of electronic devices, there is always a crucial step, and using a high and low temperature chamber to test product quality has...
With the development of LED technology, LED market is booming, its advantages mainly hinged on its good luminous efficiency, long service life and reliability, favored by...
Introduction To reach a sustainable and low-carbon future, renewable energy technologies like solar and wind power are essential. Thorough testing and assessment are required to guarantee...
LED is a highly competitive light source, having significantly advantages such as long life and high efficiency. Therefore, LED lighting has been increasingly used in the...
High and low temperature humidity test chamber is a scientific experiment equipment for simulating various environmental conditions. It can simulate temperature and humidity conditions in real...
Why is the constant temperature humidity chamber blocked? 1. During the test, the door was opened, and there was icing in the working room. 2. The...
Introduction To make sure that textiles and clothing last and are comfortable to wear and functional, the fast-paced textile and apparel sector must use rigorous quality...
Spectrometers are the basics test equipment used for measure illumination luminous and chromatic parameters, with the progresses of instruments science, electronic and software information technologies, the...
Because the high and low temperature chambers are used to test the relevant characteristics of goods, do not install them casually. If it is installed casually,...
High and Low temperature humidity chamber plays an active role in the fields of aviation, automotive, home appliances, raw materials, components, scientific research, etc. It can...
According to the National Market Supervision and Administration and National Standardization Technology Commission announced, the National Lighting Electrical Standardization Technical Committee Light Radiation Measurement Branch of...
The Temperature Humidity Chamber is the key instrument for testing the temperature and humidity natural environment. It is mainly to carry out high temperature, low temperature...
I.Measurement principle of Lux Meter: Light photovoltaic measurement principle: LMS-6000 is a direct conversion of light energy into electrical energy of the photovoltaic components. When the...
The high and low temperature chamber is also known as environmental test chamber is a common testing equipment that simulates extreme weather environments more realistically through...
The handheld spectroradiometer is a spectrometer based on XRF (X Ray Fluorescence) spectroscopy technology, which consists of X-ray tube, detector, CPU and storage. Due to its...
Introduction Temperature and humidity chambers are an essential component in many companies’ efforts to reproduce and analyze the effects of temperature and humidity on a diverse...
The high temperature test chamber is also known as the environmental testing equipment, is used to put the product into the test chamber, set the high...
What is a integrating sphere: The integrating sphere is also known as a hollow sphere with a highly reflective inner surface. It is mainly a high-efficiency...
I.The principle of high and low temperature test chamber alternating wet and heat test box: Under high and low temperature test chamber, due to the steam...
I. Overview of Temperature and Humidity Measurement Method of High and Low Temperature Humidity Chamber： Electric and electronic products are almost used in various climatic conditions...
Integrating Spheres can conveniently lumen measurement and test radiation power of light sources, thus it can be used for testing various lighting products. What is an...
Introduction When it comes to HVAC (Heating, Ventilation, and Air Conditioning) systems, temperature and humidity chambers are essential for development and testing. Manufacturers and researchers may...
High and low temperature chambers are a type of environmental test chamber and widely used in various tests. It contains many kinds of products and is...
Introduction The testing of new building materials often requires exposure to a range of temperatures and humidity levels. The performance, durability, and adaptability of building materials...
The Temperature Humidity Chamber is a kind of humidity testing equipment , used to test the range of material structure and composite materials that can be...
High and low temperature chambers are widely used in various industries such as electronics, electronics, aviation, chemical, military, etc. However, the testing requirements for products in...
High Low Temperature Testing Test Chamber Intermittent Wet and Hot Test Box is a special sealed test box. The correct use of the device can not...
Introduction In the automobile sector, where the dependability and performance of cars and their components are of the highest significance, temperature humidity chambers play a key...
Introduction Testing and developing electrical products is impossible without environmental chambers. Electronic equipment is tested in specialized chambers that can reproduce a wide range of environmental...
With the rapid development of the global optoelectronic industry, LED TESTER is becoming more and more mature, and LED lamps are gradually replacing traditional lamps such...
Introduction In an indoor garden, having a lighting system that is properly balanced is essential to the growth of healthy plants. Photosynthetic photon flux density (PPFD)...
Introduction: Spectrometers are very helpful instruments for examining the characteristics of light in many fields of science and industry. Materials’ composition, structure, and properties may be...
The application field of Temperature Humidity Chamber is very wide, so the established good market demand has great development space in the environmental test equipment industry....
Introduction In the field of optical measurements, the two most important tools for gathering and analyzing data pertaining to light are called radiometers and spectroradiometers respectively....
To simulate a range of environmental conditions, including those involving temperature and humidity, temperature humidity chambers are a subset of environmental chambers used for testing and...
“The LED is divided into upstream and downstream, which can be said to be a dragon. For new technology development, in the collation in the top...
The Temperature Humidity Chamber is the key instrument for testing the temperature and humidity natural environment. It is mainly to carry out high temperature, low temperature...
For now, there are more and more places where we use LED lights in our lives. LED is a light-emitting diode semiconductor device. Its working principle...
The test principle of the high and low temperature chamber has the tendency to simulate and simulate the temperature change in the natural environment. It is...
The high and low temperature test chamber is suitable for environmental simulation reliability tests such as high and low temperature constant and gradual changes, damp heat...
Precautions when purchasing the high and low temperature test chamber: 1. Before understanding the high and low temperature chamber, we should first understand the needs of...
1. Cleaning and maintenance inside and outside the Temperature Humidity Chamber ①. Before the high and low temperature test, the internal impurities must be removed. ②....
The High and Low Temperature Humidity Chamber is a kind of testing mechanical instrument used to test the extent of endurance of material structure and composite...
In fact, one of the factors affecting the test results of the high and low temperature chamber is the sealing of the equipment. It can be...
If the high and low temperature humidity chamber uses ordinary water humidification particles, it will be relatively large. The humidity sensors of the equipment are more...
The core component of the compressor in the refrigeration system is the core component of the high and low temperature chamber, which plays a decisive role...
When the high and low temperature chamber is in the low temperature state, different test materials will have different physical shrinkage phenomena, which may make the...
High and low temperature & humidity test chamber is a common test equipment that simulates the heat dissipation performance, stability performance, power consumption parameters, and estimated...
LPCE-2(LMS-9000C) Integrating Sphere Spectroradiometer LED Testing System is for single LEDs and LED lighting products light measurement. LED’s quality should be tested by checking its photometric,...
LPCE-2 (LMS-9000B/A) Integrating Sphere Spectroradiometer LED Testing System is for single LEDs and LED lighting products light measurement. LED’s quality should be tested by checking its...
With the adjustment of epidemic prevention policies across the country to facilitate the travel and life of citizens, the Health and Health Commission has also released...
A CIE TN006-2016 CIE SVM certified flicker test system. The harmonics and the flicker analyzers use alternating current (AC) sources with peak current ratings of up...
LS2090 LED Power Driver Test Instrument is the comprehensive test instrument for LED driver power which is according to GB/T 24825-2009 and IEC 62384:2006. It can measure the...
The Temperature Humidity Chamber is the key instrument for testing the temperature and humidity natural environment. It is mainly to carry out high temperature, low temperature...
The use of environmental test chambers is very important for the accurate assessment of environmental stress cracking (ESC) in polymers. Environmental stress cracking, also known as...
One of the electromagnetic compatibility tests is a continuously performed radiofrequency (RF) immunity test. This is done by RF conducted immunity test system. In the context...
Thermal testing is carried out in a thermal chamber, also known as an environmental test chamber. The testing is carried out using convection. The main purpose...
The inside of an integrating sphere is hollow and coated with a highly reflective white material. One may use such led testing equipment to determine the...
To ensure their goods can withstand even the most extreme circumstances, manufacturers often use a humidity chamber, a special device that simulates a variety of humid...
LSRF-3 Lamp start, Run-up time and Light Flickering Analyzer – Flicker Tester is equipped with Class A fast photometric probe, so the sampling speed is up...
Standards: Fully meet CIE 177, CIE-13.3 , Optical-Engineering-49-3-033602, and IEEE. The Chroma Meter Specifications: • Spectral resolution: ±0.2nm, Reproducibility: ±0.5nm • Accuracy of chromaticity coordinate (Δx, Δy): ±0.005 • Correlated...
Standards: Fully meet CIE 177, CIE-13.3 , Optical-Engineering-49-3-033602, and IEEE. The Chroma Meter Specifications: • Spectral resolution: ±0.2nm, Reproducibility: ±0.5nm • Accuracy of chromaticity coordinate (Δx, Δy): ±0.005 • Correlated...
What is the goniophotometer？ The goniophotometer is the main measuring equipment for the light distribution performance test of lamps, which can be used to measure the...
Origin and development of integrating sphere: The use of integrating sphere in measuring luminous flux can be traced back to 1890, and now it has become...
I、 Purpose of environmental test The environmental test examines the adaptability of the product to the environment, determines whether the environmental adaptability design of the product...
LEDLM-80PL LED Lumen Maintenance and Aging Life Test System is designed according to IES-LM-80 and TM-21, it used to test & record the optical and electrical Maintenance for single...
Temperature Humidity Chamber | Thermal Chamber | Climate Chamber, Environmental test chambers are according to IEC60068-2-1 (GB/T2423.1) and IEC60068-2-2 (GB/T2423.2), IEC60068-2-78, IEC60598-1, GB/T2423.17, GB/T5170.2, GB/T5170.5. The climate chamber...
LISUN’s LSRF-3 Because the LSRF-3 is equipped with a Class A fast photometric probe, the sampling rate can reach 100kHz. It fully complies with BASIC, Energy...
Definition of light intensity: Light intensity is referred to as light intensity. The international unit is candela, which is short for CD. Other units include candlelight...
As a type of reliability test equipment, environmental test has developed into a method to predict how the product use environment affects the performance and function....
Integrating sphere is a straightforward but frequently misunderstood spectrophotometer accessory for measuring optical radiation. Its job in scatter transmission and diffuse reflectance sample studies is to...
A humidity chamber often referred to as a temperature and humidity chamber , is appropriate for testing products like electrical equipment, home appliances, food, trolleys, vulcanized...
Integrating sphere is a kind of sphere that can be used to test: luminous flux, color temperature, light effect and other parameters of light source. Its...
The high and low temperature test chamber is a common test equipment for simulating the heat dissipation performance, stability performance, power consumption parameters and estimating the...
What is an Environmental Chamber? An Environmental Chamber, also known as a climate chamber or a climatic chamber, is an efficient method to test how sensor...
Spectroradiometers are efficient devices. They assess products that use the concept of light for functioning. These devices allow you to make the best quality of your...
Environmental Chamber (GDJS-015B) LISUN’s climate testing chamber or environmental chamber is a sealed space where the temperature and humidity may be adjusted as needed. This device’s...
Introduction An Environmental Chamber GDJS-015B is a sealed room where environmental parameters like temperature and humidity can be adjusted. Some chambers are also known for delivering...
Environmental test equipment is the general name of all test chambers simulating natural climate environment. Representative products include salt spray test chamber, high and low temperature...
A light-scattering substance, such as barium sulfate, is used to make the sphere’s spherical inner surface and inner wall. The light beam (measurement light) entering the...
Environmental test chamber is a necessary equipment for enterprises engaged in the production of electronic products. It can test and test electronic products and is an...
Integrating sphere is a hollow sphere with white diffuse reflective material on its inner wall, which is also called photometric sphere, luminous flux sphere, etc. One...
The integrating sphere system is composed of spectrometer, standard light source, DC power supply, AC power supply and digital power meter, which provides the calibration of...
How Does Test Chambers Work? Different systems are used in test chambers to create and maintain the ambient conditions depending on their intended use. Since they...
The Goniophotometer is the main measuring device for the light distribution performance test of lamps and lanterns, which can be used to measure the spatial light...
The test to evaluate and analyze the reliability of electronic products is called reliability test Reliability test is an activity to evaluate the functional reliability of...
What is Climate Chamber? Climate chambers is used to simulate a temperature enviromental condistions, it may also be called environmental chamber or Thermal Chamber or Temperature Chamber....
What is an Environmental Test Chamber? LISUN has been building the most recognizable environmental testing equipment in the industry. Every chamber sold is highly recommended in...
Integrating sphere, also known as luminous sphere and photometric sphere, is a hollow and complete spherical shell. The integrating sphere is mostly made of metal materials,...
LM-79 and LM-80 are energy efficiency standards approved by IESNA for LED product testing. LM-79 test refers to the photoelectric measurement of solid-state lighting products, mainly...
Temperature Humidity Chamber | Thermal Chamber | Climate Chamber is according to IEC60068-2-1 (GB/T2423.1) and IEC60068-2-2 (GB/T2423.2), IEC60068-2-78, IEC60598-1, GB/T2423.17, GB/T5170.2, GB/T5170.5. The climate chamber is used to test...
Two types of photometry are used: spectrophotometer and goniophotometer. The optical characteristics detection of LED mainly includes: luminous intensity test, luminous flux test, spectral characteristics test...
What is solid-state lighting product (SSL) measuring SSL includes LED and oled With the elimination of incandescent lamps and the gradual withdrawal of high-pressure mercury lamps,...
Temperature Humidity Chamber | Thermal Chamber | Climate Chamber is according to IEC60068-2-1 (GB/T2423.1) and IEC60068-2-2 (GB/T2423.2), IEC60068-2-78, IEC60598-1, GB/T2423.17, GB/T5170.2, GB/T5170.5. The climate chamber is used to test...
The goniophotometer is an instrument that uses spectrophotometry to perform quantitative and qualitative analysis of substances. It is mainly used for the measurement of the light...
Sunlight is essential for plants, because plants need to rely on sunlight for photosynthesis. We all know that sunlight is a continuous spectral light source, and...
Flicker Test System also known as stroboscopic still or tachometer, is an optical measuring device that can change a vibrating, high-speed rotating or periodically moving component...
LPCE-2 Integrating Sphere Spectroradiometer LED Testing System is for single LEDs and LED lighting products light measurement. LED’s quality should be tested by checking its photometric,...
The goniophotometer is an instrument that uses spectrophotometry to perform quantitative and qualitative analysis of substances. It is mainly used for the measurement of the light...
Introduction to integrating sphere An integrating sphere, also called an Ulbricht sphere, is an optical component consisting of a hollow cylindrical cavity with a diffuse white...
Introduction An Environmental Chamber GDJS-015B is a sealed room where environmental parameters like temperature and humidity can be adjusted. Some chambers are also known for delivering...
Meta Description: Integrating spheres manufactured by LISUN are used for multiple purposes. This article will help you understand its various applications. An integrating sphere (also known...
The electro-optical test methods allowed by IESNA Solid State Lighting Products, specifically referred to as LM-79, are jointly developed by IESN and the ANSI Solid State...
1.Light formation 1.1 Introduction Light formation refers to the formation process of organ form structure in the plant life cycle; optical aspirations refer to the process...
Integrating sphere The Ulbricht sphere is also known as the integrating sphere. Richard Ulbricht, a German engineer, inspired the Ulbricht sphere. To determine the best lighting...
What is a Goniophotometer? LISUN goniophotometers can be used to examine angle-dependent optical characteristics of LED and SSL products. This includes everything from single-packaged LEDs to...
The ANSI/ASABE S640 standard entitled “Plants (photosynthetic organic) electromagnetic radiation volume and unit” has been released. This work is the first research results released by AsaBe’s...
Environmental Chamber An Environmental Chamber is defined as an enclosed space where environmental conditions such as temperature and humidity can be controlled. Some chambers are also...
Goniophotometer Definition of a goniophotometer A goniophotometer is a piece of equipment that will generate an IOS file. An IOS file three-dimensional bubble of the light...
What is an integrating sphere? If your application requires a widely diverging beam measurement, an integrating sphere might be the right solution. An integrating sphere is...
The determination of the luminous internsity distribution involves the use of a co-ordinate system in order to define the direction in which the intensity measurements are...
What is an Environmental Chamber? An environmental chamber, also known as the climatic chamber or environmental test chamber, is an enclosed space for testing the effects...
The photometric center of a lamp or luminaire is the reference point, from which the photometric distance law is applicable. This appendix lists two methods to...
What is goniophotometer definition? LISUN LSG-1890B/LSG-1800A goniophotometer is automatic goniophotometric instrument for luminous intensity distribution measurements with facility for rotating the light source. LISUN LSG-1890B/LSG-1800A uses...
What is the function of Environmental Chambers? Temperature, humidity, air pressure, light, and motion can affect the performance of a product. The environmental chamber can be...
In September 2020, the DLC released the official version of the Grow Light V2.0 standard, which will be implemented on 21st, March, 2021. Prior to this,...
As we all know, UV actually includes 3 bands, from 320nm~400nm, UV-A of low frequency and long wave to 280nm~320nm, UV-B of medium frequency and medium...
What is a ball pressure test? Under the action of high temperature, the structural properties of non-metallic materials and insulating materials will change greatly, and this...
LED test instruments or LED Lamp Testing Equipment includes • LPCE-2(LMS-9000) High Precision Spectroradiometer Integrating Sphere System. • EN62471-C Optical Radiation Safety Test. • LEDLM-80PL LED...
Introduction A spectroradiometer is an instrument ( a light measuring tool ) used to measure the wavelength and amplitude of the light emitted from the light...
The use of LEDs has increased with the advancement of technology. So, in order to meet today’s needs LEDs must be thoroughly evaluated. This is done...
Introduction An environmental chamber, also known as a climate test chamber, is an enclosed area in which the temperature and humidity conditions can be modified as...
Introduction Any lamps and lanterns may have “flicker“ when connected to AC power! Unless you don’t use batteries or transformers, lighting fixtures cannot avoid “strobe“, which...
LISUN is a leading manufacturer of spectroradiometers for remote sensing applications. These include geological and spectral remote sensing, crop and soil research, vegetative, forestry and canopy...
Technology is improving with growing demands. New equipment is introduced in the market to fulfil these changing needs. One such instrument is the Environmental Chamber. It...
An integrating sphere makes it easy to measure samples. Integrating sphere measurements can be taken for different samples. This article will explain integrating sphere and the...
What is the LED test standard？ Semiconductor light-emitting diode (LED) is a new type of light-emitting body, with high electro-optical efficiency, small size, long life, low...
1. What are the prevention and control plans and standards for juvenile myopia? 1.1 Adolescent myopia prevention and control program: With the increasing rate of myopia...
The goniophotometer is mainly used to measure the light distribution performance of lamps and light sources. That is, the luminosity and chromaticity value distribution of the...
It is possible to test the reaction of goods when they are exposed to fluctuations in humidity by using a humidity chamber. This chamber is also...
The myopia rate of primary and secondary school students remains high. More and more people are advocating to pay attention to the improvement of students’ eyesight...
On 9th ,October, 2018, the Illuminating Engineering Society of North America (IES) released a new version of the light source color quality evaluation standard – IES...
Uncontrolled environmental conditions, such as temperature and humidity, may be achieved in an Environmental Chamber, which is an enclosed chamber. By delivering salt spray within the...
Fundamentals and Harmonics In complex periodic oscillations, both fundamental and harmonics are involved. The sine wave component equal to the longest period of the oscillation is...
For Windows 7/8 USB driver coding, Microsoft explicitly requires drivers to use EV code signature, and after Windows 10/11, the EV coding signature is not enough...
In the field of environmental testing, and the environmental chamber is a device that enables users to manipulate the ambient conditions in an enclosed space to...
The International Electrotechnical Commission (IEC) created the IEC 60068 standard, which is widely accepted throughout the world. Environmental testing for electronic equipment, components, and electromechanical products...
Definition of light distribution curve: It refers to the light intensity distribution of light sources (or lamps) in all directions in space. On the metering plane...
Climate chambers are enclosed spaces used to evaluate the impact of certain environmental conditions on biological things, industrial goods, materials, and electrical devices and components. Environmental...
The high and low temperature humidity environmental chamber is a test equipment in the fields of aviation, automobiles, home appliances, scientific research, etc., used to test...
Application of portable spectroradiometer in the Detection Direction of LED Lighting Fixtures Since the invention of LED lamps, their advantages such as high brightness, low power...
Light-emitting diodes are not just a simple turn-on and turn-off mechanism. In addition to simply emitting a white light, LEDs also have the ability to emit...
Before calculating the ErP energy efficiency rating method, we must first determine whether the lamp under test is a directional light source or a non-directional light...
The high and low temperature environmental test chamber is also called the high and low temperature cycle test, which is one of the product environmental reliability...
The high and low temperature environmental chamber is formed by CNC machine tools, the humidification system pipeline is separated from the control circuit board, and the...
Goniophotometer is mainly used to measure the light distribution performance of lamps and light sources, that is, the luminosity and color measurement value distribution of the...
Goniophotometer is mainly used to measure the light distribution performance of lamps and light sources, that is, the luminosity and color measurement value distribution of the...
The temperature and humidity environmental chamber can simulate a variety of temperature and humidity natural environments, and is suitable for testing electronic devices, household appliances, food,...
Spectroscopy is a method of identifying substances and determining their chemical composition and relative content based on their spectra. It is an analytical method established on...
Goniophotometer is mainly used to measure the spatial distribution of light intensity and color space of lamps, and output various measurement reports according to the test...
In recent years, semiconductor lighting technology has developed rapidly, and subsequently semiconductor lighting lamps have also been greatly developed. This requires corresponding testing theory, testing technology,...
There are several common goniophotometers for light distribution. The difference between them lies in the geometric shape of the measurement, that is, how to collect photometric...
Introduction: The temperature and humidity environmental chamber can simulate a variety of temperature and humidity natural environments, and is suitable for testing electronic devices, household appliances,...
Introduction: The portable spectroradiometer is a spectrum analysis instrument based on XRF (X Ray Fluorescence) spectrum analysis technology. It is mainly composed of X-ray tube, detector,...
Temperature, humidity, and other environmental factors may be regulated in an Environmental Chamber. Corrosion may be simulated in certain chambers by spraying salt into the room....
An environmental chamber’s job is to find out how a product will perform in various climatic, physical, and other unusual circumstances. When a product is being...
Integrating sphere is a light collecting device. Illumination or measurement sources may be made from the gathered light. So, light enters the sphere, reflects off the...
Integrating spheres are one of the fundamental devices for light sources, lamps, and luminaries measurement. An integrative sphere is also traditionally called the Ulbricht sphere, and...
Expert equipment for environmental testing, semi-conductive testing, chemical stability tests, and more is a temperature test chamber. The size of an environmental chamber temperature test chamber...
The computer completely controls modern measurement systems. A single user interface controls the measurement system with extra components and an additional light source to offset the...
The walk-in environmental chamber is intended to determine the characteristics of your goods to deal with external conditions such as heat, cold, dryness, moisture, etc. The...
Optical radiation is measured using the integrating spheres, which is the most popular and frequently used instrument for this purpose. It is intended to produce a...
Environmental chamber is the general name of all test chambers that simulate natural climate environment. The representative products include salt spray test chamber, high and low...
Goniophotometer is the main measurement equipment for the light distribution performance test of lamps and luminous. It can be used to measure the spatial light intensity...
Standards: Fully meet CIE 177, CIE-13.3 , Optical-Engineering-49-3-033602, and IEEE. The basis of spectroradiometer measurement is to measure the correspondence between optical radiation and wavelength. Generally speaking, the direct result...
The lumen may measure the entire “amount” of visible light at a specified beam or angle or produce from a source. The amount of candelas or...
The high and low temperature humidity chamber, as its name implies is the experimental equipment that performs high and low temperatures on the product. The production...
LEDs have opened up new levels of freedom of design which enable architects and designers to free up their creativity. Light-emitting diodes provide many design options...
Lighting, everything is about lumens. But precisely what are lumens? And how do you comprehend what light bulbs and light fittings contain? And if you want...
Goniophotometer is a device used to measure the light distribution performance of lamps. Goniophotometer measures the spatial light intensity distribution of lamps or light sources, total...
Photometers and spectrophotometers instruments are well-suited and well-established for measuring moisture, oil/fat, and other easily distinguishable parameters in a wide range of applications. spectrophotometer derived from these...
The integrating sphere is a rounded device having a reflecting covering on its interior. It usually contains a light source and measures its total flux output....
Goniophotometer definition: Goniophotometer is used to measure the spatial light intensity distribution and various photometric parameters of LED lamps/street lamps, indoor and outdoor lighting lamps. Including...
On 5th , December, 2019, the European Commission officially announced the new ErP Regulation (EU) 2019/2020 and Energy Efficiency Labelling Regulation (EU) 2019/2015 for lighting products, which...
LISUN engineers always paying attention to the update of various standards to ensure that LISUN products meet the latest standard requirements. The European Commission formulated the...
The ERP directive EC 244/2009, EC 245/2009, EU 1194/2012 and the energy efficiency labeling directive EU 874/2012 have been implemented for many years. The European Union...
At present, ErP has issued new regulations (ErP Regulations (EU) 2019/2020 for Lighting Products and Energy Efficiency Labelling Regulations (EU) 2019/2015) on 5th December, 2019. The...
The ErP directives EC 244/2009, EC 245/2009, EU 1194/2012 and the energy efficiency labeling directive EU 874/2012 have been implemented for many years. The EU has...
The full name of CIE 177_2007 is Color Rendering of White LED Light Sources. It was prepared by CIE Technical Committee 1-62 of Division 1 “Vision...
Many customers have purchased LISUN GDJS Walk-in environmental chamber , but they will not use them frequently after purchase. It often needs to be idle for...
1. Introduction of flicker parameter Flicker (light source flicker) means that the light output of the lighting source fluctuates with a certain frequency. At present, the...
LED flicker, that is, the LED liquid crystal display screen flickers. The LED liquid crystal display has a backlight strobe in low-brightness mode, similar to the...
On 5th, December, 2019, the European Commission officially announced the new ErP Regulation (EU) 2019/2020 and Energy Efficiency Labelling Regulation (EU) 2019/2015 for lighting products, which will...
LISUN will irregularly update the software of LPCE-2（LMS-9000）Spectroradiometer & Integrating Sphere Test System. However, since each spectroradiometer LMS-9000 in the system has its own independent hardware...
High and low temperature and humidity controlled chambers GDJS Series is according to IEC60068-2-1 (GB/T2423.1) and IEC60068-2-2 (GB/T2423.2). It is used to test the CFL/LED which...
The environmental conditions test standard for automotive exterior lighting and optical signal devices is ISO16750 <Road vehicles-Environmental conditions and testing for electrical and electronic equipment>, IEC60068-2,...
Introduction for the High and Low temperature humidity Chamber: High and Low temperature humidity Chamber adopts imported special man-machine interface temperature and humidity controller, which is...
With the rapid development of the automobile industry and the improvement of driving speed, it is very necessary to establish various standards and regulations to regulate...
Ultraviolet rays are rays of sunlight with a wavelength of 100 to 400 nanometers (nm). English is ultraviolet, ultra- means above, beyond. The frequency of ultraviolet...
Ultraviolet lamps are a type of light source that can produce ultraviolet light with a large effective range. In fact, there are also ultraviolet rays in...
Medical ultraviolet lamps mainly sterilize indoor air. There are two methods: indirect irradiation and direct irradiation. Indirect irradiation method: the use of high-intensity ultraviolet air sterilizer...
Ultraviolet sterilization is a traditional and effective disinfection method. It has been widely used in hospitals, food factories, water treatment, etc. However, it is affected by...
According to the provisions of IESNA-LM-79-08, both the integrating sphere system and the goniophotometer can test the luminous flux and color parameters of SSL products. In...
Forehead thermometers is both medical product and electronic product. It only needs one or two seconds to complete a body temperature measurement, which is very suitable...
Almost all types of lamps is easy to flicker, including incandescent lamps, halogen lamps, and even LED bulbs. But the effect of each light is different....
The European Commission has formulated the official version (EU) 2019/2015 of the new regulations on energy efficiency labels for light sources on March 11, 2019, which...
In recent years, the LED market has been expanding, which is attributed to the unique characteristics of LED solid-state lighting products, such as good luminous efficiency,...
The full name of IEC 60068-2-1 is Environmental Testing Part 2-1: Tests-Test A: Cold. It is edited by the IEC technical committee in 2008.We will introduce...
LM-79-19 English Version Free Download: Click Here LM-79-19 Spanish Version Free Download: Click Here LM-79-19 Chinese Version Free Download: Click Here ANSI (American National Standards Institute)...
LM-79-19 English Version Free Download: Click Here LM-79-19 Spanish Version Free Download: Click Here LM-79-19 Chinese Version Free Download: Click Here This article tries to make...
Fair: LED Expo New Delhi Date: 2019/11/14-2019/11/16 City: New Delhi Exhibition Hall: India Expo Centre, Great Noida, India Organizers: messe frankfurt Booth of LISUN: L45 Here...
Fair: HKTDC Hong Kong International Lighting Fair 2019 (Autumn Edition) Date: 2019/10/27-2019/10/30 City: Hong Kong Exhibition Hall: Hong Kong Convention and Exhibition Centre Organizers: Hong Kong...
Fair: LED Expo New Delhi Date: 2019/11/14-2019/11/16 City: New Delhi Exhibition Hall: India Expo Centre, Great Noida, India Organizers: messe frankfurt Booth of LISUN: L45 LISUN...
Fair: HKTDC Hong Kong International Lighting Fair 2019 (Autumn Edition) Date: 2019/10/27-2019/10/30 City: Hong Kong Exhibition Hall: Hong Kong Convention and Exhibition Centre Organizers: Hong Kong...
HID lamp is high intensity discharge lamp. High pressure sodium lamp, high pressure mercury lamp, xenon lamp, metal halide lamp are all belong to HID lamp....
Recently Saudi Arabia released new LED standard SASO 2902 for energy efficiency, functionality and labeling requirements for Lighting products. We have got the SASO 2902 in 2017 which is draft...
If you need to disable the 64bit digital signature enforcement of the computer, follow the steps: For Win 7 system There are two ways and you...
LISUN GDJS seriesHigh and Low Constant temperature and humidity chamber is according to IEC60068-2-1 (GB/T2423.1) and IEC60068-2-2 (GB/T2423.2). It is used to test the CFL/LED which...
LISUN engineer went to Egypt in December 2018 to provide on-site installation & training services for customers there. During the period, we held a lighting testing...
LISUN engineer went to Iran in December 2018 to provide on-site installation & training services for customers there. And held Lighting Testing Technology Salon on 25th...
LISUN engineer went to Saudi in December 2018 to provide on-site installation & training services for customers there. During the period, we held a lighting testing...
In optical testing, the measurement of luminous flux and color temperature are essential. There are two test equipment for the measurement: Integrating Sphere Testing System and Goniophotometer. Here we...
The main parameters of LED lamps and lanterns include: A: Electric parameters: voltage, current, lamp power, power factor, harmonic, etc B: Colorimetric parameters: correlated color temperature,...
In recent years, the CE marks are more and more widely used in the market of European economic area (Member states of the European Union and...
LED package is mainly to provide a platform for LED chips, so that LED chips have better performance of light, electricity and heat. Good packaging can...
LISUN has participated in this India lighting exhibition for four years and has developed a large market in India. We will continue to participate in the...
High frequency fluorescent lamp came out in 1990. Fine tube, small current and high power is the distinct features. Because of the above design structure, high...
According to the requirements of the LM-79 optical testing standards applicable to the widest range in the world, although there are many photometric measurements for light...
Due to the LED solid-state lighting products have good luminous efficiency, long life and high reliability unique characteristics, so it’s became more popular by markets and...
Energy Star certification (Energy Star certification) is a certification which can adapt to the requirements of the United States Energy Department. In addition to UL, FCC...
With 4.0 concepts emerged on the industry, the traditional mind of manufacturing is experiencing unprecedented impact, integration and upgrade of industrialization and information will be the...
In general, LED can be used for more than 50000 hours, and some manufacturers are promoting their LED to operate for about 100000 hours. The main...
ISO 17025 is the international standard for laboratory accreditation services; the latest version is released in May, 2005. The full name of ISO/IEC 17025:2005-5-15 is Accreditation...
With the rapid development of LED lighting market, the competition becomes more and more intense. So more and more LED lighting manufacturers began to focus on...
Color difference is an important indicator of lighting lamps color performance. Color difference is the difference between computer calculation forma and the target standard, calculated by...
LED luminaires are this kind of device which can transmit, distribute, and change the light distribution of light source. They are becoming the main products of...
Compare LED efficiency and life, the conception of efficiency is more complex. Firstly, there are three kinds of general efficiency, please check the Diagram 1. ...
From the perspective of the LED product structure and technology development, the quality criteria of LED product mainly consider the parameters of the optical properties, electrical...
“Bright blind” in life is an exaggerated description of some impact incidents, but if it is used for the LED lighting industry, then it is the...
Many customers need aging LED lamps, but do not have a clear concept of aging test and life test. Aging test usually use aging test racks....
On January 31, 2018, Lighting Poland 2018 arrived on schedule. LISUN has already prepared well for this exhibition. Our booth address is Hall 4 Booth C25...
Spectrum is the relative distribution of wavelength and light intensity. The spectrum of LED is generally monochromatic LED, such as blue LED with a peak wavelength...
LED Expo Delhi is a 3 day event being held from 30 November to the 2 December 2017 at the Pragati Maidan in New Delhi, India....
In order to meet the demands of the lighting market for handle spectrometer, Lisun launches LMS-6000 Portable CCD Spectrometer recently. Compare with Lisun CHROMA-2 Pocket Chroma Meter, LMS-6000...
Interlight Moscow is held from November 7 to 10, 2017, Interlight Moscow is not only the biggest show in Russia and Eastern Europe covering the whole...
Thailand International Lighting Fair is the most influential international professional lighting fair in Thailand. Fair Dates: 16-18 November 2017 Fair Venue: Bangkok International Trade & Exhibition...
Interlight Moscow powered by Light + Building is the only trade fair in Russia and the CIS covering the whole range of products relating to above stated...
The Hong Kong International Lighting Fair has become the largest industry exhibition in Asia, and the second largest in the world. LISUN participates this exhibition every...
The Istanbul Lighting Exhibition is the only professional LED application exhibition in Turkey, where all the players in the lighting industry come together under a same...
HKTDC Hong Kong International Lighting Fair (Autumn Edition) 2017, organized by the Hong Kong Trade Development Council at the Hong Kong Convention and Exhibition Centre (HKCEC)...
For lighting purpose, the luminaries playing a important role. A good lighting design is achieved by the choice of appropriate luminaires. The nature of the light...
Istanbul Light is an international platform, where all the players in the lighting industry come together under a same roof and where the latest technologies and...
In September and October 2013, Chairman Xi put forward a major initiative of building “The Silk Road Economic Belt” and “The 21st Century Maritime Silk Road” (referred to...
There is a wide range of goniophotometers on sale in the market, including central rotation type, rotation mirror type, double mirror type and so on. How to choose...
The Spectroradiometer Integrating Sphere System, there are two important parts: one is measuring and analysis; another is assistant part which providing testing environmental. Here we will...
Intelligent Lighting is the distributed lighting control system by using internet of things technology, wired/wireless communication technology, power line carrier communication technology, and embedded computer intelligent...
High Low temperature and humidity test chamber is used to simulate a actual temperature and humidity environment which it may caused any influence for surrounding objects....
Goniophotometer is mainly used to measure the light performance of luminaries and light source, it mainly could measure the light intensity distribution curve, light intensity data,...
Light environment is one of the indispensable and important physical environmental factors for plant growth and development. LED plant lighting lamp is a kind of artificial...
In natural environment, temperature and humidity are two indivisible natural factors. Due to different geographical locations in different regions, the temperature and humidity effects generated are...
IES LM-79 “Electrical and Photometric Measurement of Solid-State Lighting Products” as the exclusive international standard for measuring the total luminous flux, electrical power, luminous intensity distribution...
LED adopts metal material, however, OLED uses organic material. Their emitting principles are the same, the difference is that OLED does not need backlight, because it...
Integrating sphere is a hollow sphere with high reflectance surface, it is widely applied in testing lumen, chromaticity coordinates, CCT, dominant wavelength and peak wavelength etc...
In recent years, many manufacturers are planning to manufacture common global LED drive products with a wide voltage input. But since different countries have different product...
During World War II and after the war, Western countries, especially the United States, have established a series of environmental testing ground, laboratory and developed environmental...
LED blue light hazard is to evaluate the photochemical damage of the blue radiation to the retina. In practice, we may observe the light source or...
IES LM-79-08 Approved Method: Electrical and Photometric Measurements of Solid-State Lighting Products. IES LM-79 standard is mainly for photoelectric performance measurement. Generally it is for whole...
Integrating Sphere is a hollow sphere which inner surface coated with white diffuse material. There are one or several apertures on the wall of the integrating...
Spectroradiometer & Integrating Sphere System as main test device to measuring LED lamps, it’s as a most important device to judge the quality of lighting products....
The most critical factor that affects the quality of lighting is the luminous distribution performance of lamps. Using scientific testing methods and selecting the appropriate test...
Definition: Means luminaries or light sources emit light intensity distribution in space. It can record the luminous flux of luminaries, light quantity, power, power factor, the...
LVD’s goal is to ensure the safety usage of low-voltage equipment. Its range of application is on electrical products with voltage at 50V to 1000V AC...
Nowadays, with the development of LED industry, its technology continues to be mature and has widely applied at home and abroad. Comparing to mature markets in...
LED street lights become more and more popular in recent years, but a few days ago, the American Medical Association (AMA) just issued an official statement,...
According to IESNA-LM-79 standard, Goniophotometer is used for light intensity distribution and flux test. Accordingly, Lisun Group is goniophotometer manufacture introduced several different types Goniophotometer, the...
India lighting market develops rapidly, research reports point that LED lighting market scale will reach 1.14 billion dollars, growth 47.1%. India government intends to make India...
IESNA-LM-80 (Measuring Lumen Maintenance of LED Light sources) is an approved method by Lighting Engineering Association of North America (IESNA) for the third generation SSL products;...
IESNA-LM-79 (Electrical and Photometric Measurements of Solid-State Lighting Products) is a standard made by Illuminating Engineering Society of North America; this standard put forward the measurement...
The lighting industry practitioners must be familiar with IES file. Firstly introduce IES, IES is short for Illuminating Engineering Society of North America. I.E.S is founded...
LED has the features of long life, but with the different working condition and drive current, its life will be different, but generally the life will...
LED is short for light emitting diode. It is one kind of semiconductor diodes, which can convert electrical energy into energy. With the technology development, LED...
Nowadays, there are two main categories of LED light sources classified according the forms on the market, one is COB integrated light source directly combined of...
Lisun LMS-6000 Portable color spectroradiometer is the only one used telephoto optical system in portable spectrometer spectral radiometer, spectral resolution is 0.2nm, which can measure LED wide...
IES TM-30-15 is a document approved by the Illuminating Engineering Society (IES) that describes a method for evaluating light source color rendition. The method encompasses several...
LED manufacturers must learn some basic luminaries’ parameters such as brightness, spectrum and color temperature and so on as standard to identify pros and cons. We...
At the end of October 2016, Lisun attended lighting fair in as in previous years. Hongkong International Lighting Fair has been an ideal platform for LED...
In October 5th-7th 2016, New Delhi LED lighting exhibition held in New Delhi, the capital of India. As one of India’s largest LED lighting exhibition, New...
SSL (Solid State Lighting) product’s color quality is very important; people pay more and more attention to it. CRI already has 40 years history. CIR is...
Different color temperature will give us a different feeling. In a different environment with the same brightness, the object’s color we can see will be a...
Now, the led COB package, in fact, we can know that most of the COB package, including Japan COB packaging technology, they are based on the...
Lisun has a lab certer in Shanghai. Are you worry about the quality of LED that you purchase from China? From today, you can ask your...
The ninth Frankfurt Light + Building(2016) was hold in Germany Frankfurt exhibition center (Messe Frankfurt). The biennial global lighting event attracted about 2500 companies exhibitors from...
When LEDs arrived on the market, their tremendous efficiency and money saving potential changed the playing field and lumens, lux and candela finally became obsolete metrics...
The LED stroboscopic effect actually have two concepts: One is strobe which mean the depth of light flux fluctuations, the more violent fluctuation, the depth of...
Due to the demand of Lisun market business expand, and kind invitation from AUTOMATE PROCESS CONTROL, on 9:00am April 23, 2016, Lisun & AUTOMATE organized customer...
Lisun will come with professional technical team to attend 2016 Germany Frankfurt Lighting Fair( Light + Building) dated on 13th Mach ~18th March, 2016. This time...
The 2015 New Delhi Autumn LED Expo was successfully held during 3th December~5th December. As one of India biggest exhibition, this exhibition main relate different lighting...
1. Japanese Lighting Market According to Japan’s Lighting Industry Association (JLMA) statistics, lamps and lighting product development trend will be more and more closed to LED...
CIE has recently published the first international measurement standard for LED Lamps, LED Luminaires and LED Modules, ie. CIE S025(http://div2.cie.co.at/?i_ca_id=563). CIE Division 2 will present a...
According to CIE, EN and LM-79(Clause 9.1) etc standards, spectroradiometer integrating sphere system is used for all kinds of light source photometry parameters test. The following...
1. According to the reflectivity of the internal coating: Note: It can select the coating according to the test requirement, the default is the BaSO4 coating....
LED coated with phosphor powder on the LED chip to achieve white light emission. There are three main methods to realize white light with phosphor powder,...
As well as we know that for the LED luminaires lumen test, the CIE121: 1996 Clause 6.1, CIE127-2007 Clause 6.2 and IES-LM-79-08 Clause 9.0 are mentioned...
It is the second time we have attended the fair, and it is a successful and wonderful fair. Lisun’s booth attracks numerous people’s visit.
Lisun agency in Korea attended the exhibition last week. The exhibition is organized every year in KINTEX since 2003. It is one of the most influential...
During the exhibition, Lisun showed its main instruments which attracted many customers to stop and talk. Among them, there are not only many old customers hope...
During the measurement of luminous flux with integrating sphere, comparing with common lighting source, the luminous flux test accuracy of LED lighting source have given huge...
The ideal integrating sphere paint should have below performances: 1. High-Lambert characteristics (good diffuse reflection characteristics) 2. High reflectance in a wide wavelength range 3. High...
According to IESNA-LM-79-80, when spectroradiometer integrating sphere system tests LED flux, light source’s self-absorption can influence test result, therefore, it usually introduces Auxiliary Lamp. The induction...
Goniophotometer measures light intensity performance measurement of luminaries and light source, which is the photometry value in different directions in space and color distribution. Goniophotometer should...
As far as we known that there have several type spectroradiometer, such as CCD spectroradiometer, mechanical scanning spectrophotometer etc. Generally, the type of spectrometer depend on...
As we known that the quality of LED products depend on lumen, lumen efficiency temperature and CRI etc parameters, the general test device is application with...
USA Environmental Protection Agency(EPA) and Department of Energy(DOE) successively released Energy Star and Lighting Facts Standards for LED Luminaires/Bulb from 2010, which makes relevant industry persons...
As in previous year, Lisun and its instruments appeared at booth ED-A01 of Hong Kong International Lighting Fair (Autumn Edition) during 27th October to 30th October....
Light object by the lighting source and standard source(Generally, sunlight is as the standard source), the degree consistent with color is the color fidelity degree, represented...
Due to the LED luminaries such as LED street luminaries developed, to do 4π geometry testing, it is hard to be hold in the traditional integrating sphere design....
LED testing equipment mainly has Goniophotometer and Integrating Sphere Spectroradiometer System. Goniophotometer is used for light intensity distribution measurement; integrating sphere spectroradiometer system is used for flux and colorimetric...
A lamp is composed of one or more luminous light sources with a shell (namely lamps, for example, some down lamp can be installed in one...
Integrating Sphere plays the role in below three aspects. 1. Optical Receiver The measured light enters the sphere through the hole of integrating sphere. We set up...
Fair: Hong Kong International Lighting Fair 2013 (Autumn Edition) Date: 2013/10/27-2013/10/30 City: Hong Kong Exhibition Hall: Hong Kong Convention and Exhibition Centre Organizers: Hong Kong Trade...
OLED (Organic Light Emitting Display) is a new generation of flat panel display technology after LCD, LED, CRT and PDP (Plasma Display Panel). It has significant new...
Abstract: According to the particularity of LED luminous flux measurement, unique optimization is adopted in the design of the integrating sphere for LED measurement combined with the diffuse materials...
LISUN can provide very fine Photo Detectors. They are NIM traceable (directly compared with NIM standard head) and is validated to PTB of Germany. Photo Detector...
When choosing the instrument to purchase or use for the application, it is very important to understand the types of instruments available for measuring color. A colorimeter or spectrophotometer can...
Lisun attended Hongkong Lighting Fair dated 27th October to October 30th 2012, during the exhibition, Lisun showed many high excellence testing equipments to visitors, like Goniophotometer,...
Fair: Hong Kong International Lighting Fair 2012 (Autumn Edition) Date: 2012/10/27-2012/10/30 City: Hong Kong Exhibition Hall: Hong Kong Convention and Exhibition Centre Organizers: Hong Kong Trade Development...
When you measure the photometric and chromaticity properties of optical system, it must be under the uniformly prescribed light source, the test result can be compared...
In order to expand its business, Lisun decides to move Lisun Electronics Shanghai to a new office. Lisun built a high level products show room &...
The U.S. Government issued her LED test standards IESNA-LM-79-08. This approved method is a guide developed for the measurement of Solid State Lighting (SSL) products such as LED...
Lisun updated the Spectrophotometer of LMS-5000 software. The new version software updated serval function to make the customer have a much experience. LMS-5000 is a high accuracy...
1.LED In addition to the semiconductor lasers, when the current motivates the semiconductor diodes can emit the optical radiation. Strictly speaking, the term LED should be...
Our manufactory will attend the Guangzhou International Lighting Exhibition on June 9th~12th, 2011 About LISUN: it is lead in CFL and LED test instruments, main products are EMC Test System,...
LPCE-2(including spectrophotometer, integrating sphere) is designed for analyzing the photometry, colorimetry and electricity of LED lamp, energy-saving lamp, fluorescent lamp, high-voltage sodium lamp, high-voltage mercury lamp, metal...
With LED technology development, LED applications in market are more and more wide. UV-C LED germicidal disinfection applications market also reaches a new height in 2016,...
LED is not only a semiconductor device, but also a light source. It has the advantage such as high light output, low consumption and easily drove....
Our manufactory will attend the Guangzhou International Lighting Exhibition on June 9th~12th, 2009. By then we will show our new products such as RoHS Test Equipment (Energy Dispersive...
Lisun Hong Kong, Shanghai and China Factory office will be off to enjoy the Chinese New Year Holiday from 24th, Jan to 1st, Feb. If you...
During October 12nd to 15th, Lisun will exhibit in the 2008 Hong Kong Global Sources Fair in booth# 11M30 (Hall 9&11) near the Hong Kong International...
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