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
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The standard IS 16103(Part 2): 2012 is seen in close context with simultaneously developed performance standard for luminaires in general and for LED luminaires. Changes in the LED module standard shall have impact on the luminaire standards and vice versa, due to the behaviour of LED. Therefore, in the development of the present standard, mutual consultancy of experts of both products has taken place.
IS 16103(Part 2): 2012 LED Modules For General Lighting–Part 2 Performance Requirements
LISUN supplies the fully test solutions for the following IS 16103(Part 2): 2012, please see the below excel table:
| IS 16103(Part 2): 2012 Clause and Subject | LISUN Model |
| Clause 3.3-3.11 Lumen Maintenance | LEDLM-84PL |
| Clause 6.1 Rated Life Time Up to a Maximum of 6000 h. | |
| Clause 10.2-10.3 Lumen Maintenance | |
| Clause 3.22 Luminous Flux | LPCE-2(LMS-9000) |
| Clause 8.1 Luminous Flux | |
| Clause 8.3 Efficacy | |
| Clause 8.2 Luminous Intensity Distribution, Peak Intensity and Beam Angle | LSG-1890B |
| Clause 9 CCT and Colour Rendering | LMS-6000 |
| Clause 13 Test For Emission (Radiated And Cobducted) |
EMI-9KB |
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 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 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 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 Electromagnetic Compatibility (EMC) is a core access indicator for electronic and electrical equipment to enter the global market. The EMI and EMC Test System performs...
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: Lumen measurement is the core procedure for luminous flux detection of lighting products, which directly determines the evaluation of light brightness, luminous efficacy and energy...
Abstract: Electromagnetic interference (EMI) is a key factor restricting the reliability and compliance of electrotechnical electronic products. Conducted interference propagates through power lines and signal lines,...
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 Electromagnetic interference (EMI) is a key factor affecting the electromagnetic compatibility (EMC) of electrical and electronic products. Quantitative measurement of conducted interference and radiated interference...
Abstract: Lumen measurement is a core method for evaluating the photometric performance of lighting sources, which directly reflects the luminous capacity and energy efficiency level of...
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: As the core basis for photoelectric performance compliance certification of solid-state lighting products, the LM-79 Test Report has become a key technical document for products...
Abstract: Electromagnetic Interference (EMI) is a core factor restricting the electromagnetic compatibility (EMC) of electrical and electronic products. As a key part of product compliance certification...
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: Electromagnetic interference (EMI) is a key factor restricting the electromagnetic compatibility (EMC) of electrical and electronic products. Quantitative measurement of conducted interference and radiated interference...
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 As a new generation of solid-state lighting sources, LED quality directly determines lighting effect, energy efficiency, and service life. Opto-electro-color parameters are the core indicators...
Abstract EMC instruments form the core toolkit for verifying the electromagnetic compatibility (EMC) of electrical and electronic products. Their fundamental task is to precisely measure and...
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...
The main measurement device in conducted and radiated emission tests is an EMI test receiver. Antennas LISNs and test sites get significant coverage but the receiver...
A Line impedance stabilization network is an underlying piece of conducted EMI testing since it establishes a known and reproducible electrical environment between equipment under test...
EMC compliance testing is used to confirm that an electrical or electronic device does not emit objectionable electromagnetic disturbances or does not excessive become susceptible to...
Instrumentation alone does not give an accurate EMI EMC measurement. It is the sum total of a well-adjusted arrangement with the electromagnetic environment working jointly with...
EMI-9KB is popularly utilized in compliance and pre compliance laboratories to obtain fine EMI testing, and a repeatability and stability of testing is of utmost significance....
EMC conducted emissions testing is one of the starting activities in the contemporary compliance and product development laboratories. It measures unwanted radio frequency energy that travels...
A good and consistent EMC measurement equipment is crucial in a lab doing compliance test and product development. One component of that ecosystem, which is critical,...
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...
With the growth of faster, smaller, more interconnected electronic systems, the control of unwanted electromagnetic emissions has become a major task of engineers. It is crucial...
Proper measurement of undesired emissions is an essential need in the contemporary electronics. In compliance testing, the engineers are required to maintain emission within the limits...
The choice of the appropriate measurement instrument is regarded as one of the most significant choices of any EMC laboratory. EMI test receiver is an integrated...
The most difficult of the electronics designs to design in terms of electromagnetic compatibility are switching power supplies and SMPS-based circuits. High switching frequencies, short edge...
Electromagnetic compatibility has turned out to be a prerequisite in all industries that use electronics. The higher the digital complexity of products, which are increasingly smaller...
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...
Conducted Emission measurement has a great dependence on electromagnetic compliance testing. Also, in laboratories testing switching power supplies, electronic appliances, industrial controls, medical systems, and automotive...
The high rate of development of solid-state lighting has generated the demand of precise and dependable luminous flux measurements. To develop energy-saving LED systems, the optical...
The proper use of EMI receiver in advanced laboratories and compliance facilities is important to obtain accurate electromagnetic measurements. Electronic systems are becoming densely connected, high-speed...
In case a product fails the EMC tests, the engineers are not only faced with a problem of identifying the failure, but also finding answers to...
The calibration of an EMI analyzer happens to be one of the most significant processes in electromagnetic compatibility laboratories and particularly, high sensitivity EMC, where even the...
The need to obtain an electromagnetic compatibility has now become a fundamental need in virtually all electronic devices, and such need has also made the need...
The modern electronic devices use the environment abundant in the electromagnetic energy, and the reaction to such fields is somehow observed in each circuit, cable or...
Modern wireless equipment relies on a high level of performance of the antenna to ensure constant communications, precise data transmission, and general durability of the equipment....
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 With the rapid development of the lighting industry, quality control of light source products has become increasingly crucial, and accurate testing of optical, color, and...
Abstract In the lighting industry, the photometric, colorimetric, and electrical parameters of luminaires are core indicators for measuring product quality and performance, directly influencing lighting effects,...
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 With the widespread application of electronic equipment, electromagnetic compatibility (EMC) has become a key indicator in product design and production. This paper takes the LISUN...
Abstract: With the rapid development of electronic technology, the number of electronic devices is increasing daily, and their operating frequencies are becoming higher, leading to an...
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 diversification of lighting technologies, the accurate measurement of luminous performance has become crucial for quality control and standard compliance across lighting product categories....
Abstract Conducted emissions, a critical component of electromagnetic interference (EMI), refer to the propagation of unwanted electromagnetic energy through conductive media such as power lines, cables,...
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 Electromagnetic Interference (EMI) and Electromagnetic Compatibility (EMC) testing are critical processes in the development and certification of electronic devices. These tests ensure that devices operate...
Introduction As electronic devices become increasingly complex and ubiquitous, electromagnetic compatibility (EMC) and electromagnetic interference (EMI) have emerged as critical factors in the design, manufacturing, and...
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 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 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...
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...
In 2019, ANSI and IESNA jointly released the ANSI/IES LM-79-19 standard, establishing a critical benchmark for the LED solid-state lighting (SSL) industry. Over five years later,...
Electromagnetic Interference (EMI) emissions testing is a critical process in ensuring that electronic devices and systems operate within regulatory limits. This testing measures both conducted and...
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 LISN (Line Impedance Stabilization Network) coupling/decoupling network used in radiation testing, with a particular emphasis on its application in the...
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...
Abstract Electromagnetic interference (EMI) emissions are a critical concern in modern electronic device design and testing. The LISUN EMI-9KB EMI Test Receiver is a state-of-the-art automatic...
Abstract The radiated interference test plays a pivotal role in ensuring that electronic devices comply with electromagnetic compatibility (EMC) standards. This paper focuses on the principles,...
Abstract: This paper focuses on the essential aspects of Electromagnetic Interference (EMI) and Electromagnetic Compatibility (EMC). It begins with an in-depth exploration of the working principles...
Abstract Conducted interference testing is a critical process in evaluating the electromagnetic compatibility (EMC) of electronic devices and systems. This paper provides a comprehensive analysis of...
The demand for high-quality lighting solutions has led to a significant focus on testing and standardizing various light sources, including energy-saving lamps, fluorescent lamps, high-intensity discharge...
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...
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: Electromagnetic Interference (EMI) and Electromagnetic Compatibility (EMC) are key factors in ensuring that electronic devices and systems operate without causing or being affected by harmful...
Introduction Electromagnetic Interference (EMI) is a significant concern for the performance and reliability of electronic devices. EMI measurements are crucial to ensuring that devices comply with...
Introduction In recent years, the demand for high-efficiency lighting systems has increased due to global energy-saving initiatives. This trend has resulted in the widespread use of...
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...
Electromagnetic Interference (EMI) is a critical issue in electronic device design and manufacturing, as it can disrupt the functionality of both the device itself and nearby...
Abstract Electromagnetic compatibility (EMC) is crucial for lighting products to ensure their performance does not interfere with other electronic devices. This study uses the EMI-9KB to...
Abstract The demand for efficient and reliable lighting solutions has led to various light sources, including bulb lights, PAR lamps, LED lights, street lights, and tubes....
Introduction Electromagnetic Interference (EMI) and Electromagnetic Compatibility (EMC) are critical aspects of modern electronics and communication systems. As electronic devices become increasingly prevalent and complex, ensuring...
Abstract EMI and EMC testing are critical processes in ensuring that electronic devices operate reliably without causing interference to other equipment. The LISUN EMI-9KB EMI Test...
Abstract In the modern technological landscape, ensuring that electronic devices meet electromagnetic compatibility (EMC) standards is essential. EMC testers, particularly those designed for EMI (Electromagnetic Interference)...
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...
With the development of technology, LED lighting fixtures have significant advantages in energy efficiency, lifespan, and color temperature. However, at the same time, LED fixtures also...
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...
With the rapid development of technology, electronic products are becoming more and more popular, and electromagnetic interference problems are also emerging. Electromagnetic interference can affect the...
What is Calibration Certificate? The calibration certificate provides valuable information on the quality and measurement accuracy of equipment. Calibration is the process used to maintain the...
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...
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...
Household power supply specifications will vary by region, but generally speaking, voltage values are usually between 100V and 240V, while the most common frequency values are...
Introduction Electromagnetic compatibility (EMC) is significant in the field of industrial automation, where continuous production processes are essential for success. Numerous electronic devices coexisting in industrial...
In recent years, with the popularity of electronic devices and the rapid development of wireless communication, the potential harm of electromagnetic field radiation to human health...
Introduction An integrating sphere is a spherical device used to measure the optical properties of materials. It is a hollow sphere coated with a highly reflective...
Introduction Electric vehicles (EVs) are increasingly becoming the vehicle of choice for those who are worried about the effect their actions will have on the environment....
Introduction The widespread connectivity and seamless data interchange made possible by the IoT have dramatically altered the ways in which we use technology. But as the...
Introduction For the performance of missions and the protection of people, defense and military applications need dependable communication networks. Electromagnetic interference (EMI) is only one of...
The special light source hanging in the stalls is also known as the “freshness lamp”. By adjusting the color, brightness, and color temperature of the lighting,...
Introduction Numerous scientific, industrial, and commercial endeavors rely on precise light measurement. High precision spectroradiometer integrating sphere systems have been developed as potent instruments to address...
Introduction Because of the convenience, efficiency, and coziness that they bring into our homes, appliances have evolved into an absolutely necessary component. The proliferation of electronic...
Introduction The semiconductor sector is crucial to the operation of today’s technological marvels, since semiconductor chips are the backbone of all electronic gadgets and infrastructure. The...
LM-82 is a standard for the reliability testing of LED test instruments released by the American Lighting Engineering Society (IES). This standard specifies a series of...
Introduction Electronics are very important to a variety of marine pursuits, including navigation, communication, propulsion, and a variety of other on-board operations. However, the sea environment...
Lighting is an indispensable part of human life. It can not only provide light, but also has an important role in shaping the environment, improving work...
Introduction The use of RFID systems, which use radio waves to identify and track objects, has spread across many sectors because of the advantages they provide....
Introduction Data centers are mission-critical facilities because of how they hold and facilitate the functioning of so much IT hardware and software. For companies to continue...
Introduction As the usage of electric vehicles grows increasingly popular, it is essential to provide a charging infrastructure that is robust and trustworthy for EVs. If...
Introduction There is a significant amount of reliance on display technology across the board, from consumer gadgets and autos to healthcare. If we want to provide...
Introduction Wearable healthcare technologies have fundamentally revolutionized personal monitoring, since they now make it feasible for individuals to monitor and regulate their health in real time....
LED light engines and integrated LED bulbs are often applied to various types of lamps, including decorative lamps, non -fixed direction lights, etc. Generally speaking, the...
Introduction Light is essential in horticulture, since it affects the progress and yield of plants. Due to their low power consumption and adaptable spectral features, artificial...
Introduction The quest for smarter and more efficient systems on the power grid has resulted in the development of technologies that are used in smart grids....
Introduction Estimates of solar irradiance, which refer to the quantity of radiant energy that is received from the sun, are very important to the fields of...
Introduction Drones, also known as Unmanned Aerial Vehicles (UAVs), are gaining popularity as tools for a variety of applications, including surveillance, aerial photography, surveying, and package...
Introduction Over the last several years, significant advancements have been made to the integrating sphere used in high-precision spectroradiometers. These advancements have made it possible to...
In recent years, with the development of LED technology and modern facilities such as global plant factories and vertical farms, the plant lighting market has ushered...
Introduction Powering electronic gadgets, from smartphones to electric cars, through wireless charging systems is a rapidly growing industry. The effectiveness and compatibility of these systems may...
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,...
On 23th, March, 2023, the U.S. Environmental Protection Agency (EPA) released the latest Energy Star Embedded Luminaire V1.0 Specification, intended to replace the existing Energy Star...
Introduction The testing and characterizing of light-emitting diodes (LEDs) has been revolutionized by high-precision spectroradiometer integrating sphere systems. LEDs are utilized in a broad variety of...
Introduction Self-driving cars are a game-changing innovation that might completely alter the transportation landscape. Electromagnetic interference (EMI) is a possible threat to the safety and performance...
Introduction When it comes to correctly and dependably measuring color, a wide variety of companies rely on spectroradiometer integrating sphere systems of the greatest quality. The...
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...
Introduction Accurate diagnosis and treatment planning are only possible with the use of medical imaging, which plays a crucial role in contemporary healthcare. The quality of...
Introduction Implementing real-time monitoring and control in high precision spectroradiometer integrating sphere systems has many advantages. These include improved measurement accuracy, system stability, dynamic adjustment, error...
Introduction Telecommunication networks are the backbone of today’s communication systems, allowing for the unhindered transfer of text, audio, video, and other types of data. Electromagnetic interference...
Introduction Accurate light measurement and color characterization rely heavily on high precision spectroradiometer integrating sphere systems. Real-time monitoring and control capabilities have developed as crucial characteristics...
Introduction When it comes to meeting the world’s energy demands and reducing environmental damage, renewable energy systems like solar photovoltaic (PV) arrays, wind turbines, and energy...
Introduction The use of high precision spectroradiometer integrating sphere systems has had a significant and positive influence on both the science of colorimetry as well as...
Introduction The railway system is an important part of the transportation network because it allows people and products to move quickly and safely. Electromagnetic compatibility (EMC)...
Introduction Evaluation of color quality is essential in many different industries, including lighting, automobiles, textiles, and cosmetics, to name just a few of them. The accurate...
Introduction Keeping devices and systems electromagnetically compatible (EMC) and functioning reliably is of utmost significance in the field of power electronics. Internal and external sources of...
Introduction Utilizing high precision spectroradiometer integrating spheres has resulted in significant improvements to the spectrum measuring and analysis processes used in a wide variety of industries....
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...
Introduction The development of IoT devices is resulting in a more interconnected society. IoT devices are transforming many different industries, from smart homes and wearables to...
In recent years, with the popularity of electronic devices and the rapid development of wireless communication, the potential harm of electromagnetic field radiation to human health...
Introduction The capabilities of high precision spectroradiometer integrating sphere systems for measuring spectra and characterizing sources are quite helpful. However, in order to produce reliable and...
Introduction High-precision spectroradiometer integrating sphere devices have made significant contributions to the improvement of the spectral power distribution (SPD) measuring technique. These devices provide accurate and...
Introduction In the aerospace and defense industries, where the reliable operation of critical systems is of utmost importance, ensuring electromagnetic compatibility (EMC) is crucial. The coexistence...
Spectrum Analyzers and EMI Receivers are very common in LED Lighting, home appliances, communications and power tools testing, and many tests can be completed independently. So...
Introduction The characterization of vehicle illumination relies heavily on high precision spectroradiometer integrating sphere systems. Accurate and consistent assessment of light sources is crucial because of...
Introduction: The diagnostic, therapeutic, and monitoring capabilities provided by medical devices are essential in modern healthcare. The safe and dependable functioning of these devices is of...
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...
Principle of Integrating Sphere Spectroradiometer System: The light emitted by the lamp is ejected on the inner wall of the integrating sphere. After multiple reflection of...
A integrating sphere is an enclosed hollow sphere lined with a white diffusing material. There is one or several openings on the sphere wall used as...
Introduction: Modern civilization would not be able to function without wireless communication devices, which allow for instantaneous connection and data sharing. Although the usage of wireless...
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....
Introduction Accurate spectrum measurements and the characterisation of light sources and materials rely heavily on the use of high precision spectroradiometer integrating spheres. Integrating spheres rely...
Introduction: Significant difficulties are introduced by electromagnetic interference (EMI) to the reliable functioning of electronic equipment. To ensure electromagnetic compatibility (EMC) compliance, EMI test receivers are...
Introduction Accurate spectrum measurements and the characterisation of light sources and materials are often performed using high precision spectroradiometer integrating sphere systems. Maximizing the light’s dispersion...
I. Introduction: Testing for electromagnetic compatibility (EMC) is crucial to creating safe and compliant products. EMC testing has always been done in dedicated labs using large,...
Introduction Accurate spectrum measurements and the characterization of light sources and materials are often performed using high precision spectroradiometer integrating sphere systems. Consistent lighting is an...
An integrating sphere collects electromagnetic radiation from a source usually external to the optical device, usually for flux measurement or optical attenuation. Radiation introduced into an...
Introduction: The term “electromagnetic compatibility” (or “EMC”) refers to the ability of electrical equipment to function without causing interference to one another or to other systems....
The electromagnetic interference (EMI) caused by the noise caused by switching topology devices (even small power devices) is a continuous problem. Noise will not only affect...
Integrating sphere is an empty cavity sphere with white diffuse material coated on its inner wall, also known as lightmeter, light sphere, etc. One or several...
Recently, a notice issued by the China Consumers Association concerning the power supply plug of computers having radiation interference higher than the national standard was released,...
Introduction: To guarantee the electromagnetic compatibility (EMC) of electronic devices and systems, EMI testing is essential. The manual testing process is increasingly inefficient and time-consuming due...
The terms electromagnetic compatibility (EMC) and electromagnetic interference are often used interchangeably when talking about the testing of commercial electronic goods and products. Because the two...
I. Overview of the Development of Integrating Sphere Spectrophotometer Analysis System In spite of the advantages of simplicity, reliability and stability of the measuring system of...
Introduction Scientific study, industrial applications, and new product development all need precise and dependable measurements of light sources. Detailed spectrum information is now readily available because...
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...
Introduction: Analysis of electromagnetic interference (EMI) is essential for assuring the EMC of electronic equipment and systems. Modern EMI test receivers use complex signal processing methods...
An optical integrating sphere is an indicative, spherical structure apparatus for measuring light, also known as an integrating sphere, omnidirectional reflectance sphere, or illuminance detector. This...
I. The Structure and Basic Principle of Optical Integrated Sphere The basic principle of an optical integrated sphere is to have a light source at the...
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...
Introduction: Keeping electronic devices and systems running smoothly is complicated by electromagnetic interference (EMI). Transient interference incidents during regular device operation must be monitored and dealt...
With the development of science and technology, more and more digital, high-speed electrical and electronic equipment are widely used in all fields of society. While promoting...
EMC (electromagnetic compatibility) includes two parts: EM (electromagnetic sensitivity) and EMI (electromagnetic interference). Usually we call solving the EMC problem. In fact, it is to solve...
I. Definition of an integrating sphere: An integrating sphere is an empty, hollow cavity covered with a diffuse, white reflective coating, also known as a photopic...
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...
Integrating sphere overview: 1. Integrating sphere testing is utilized to measure the optical parameters of a light source and its accessories in order to better understand...
Introduction: The reliable functioning of electronic equipment across industries relies heavily on electromagnetic interference testing. The growth of wireless technologies and the growing complexity of electronic...
Introduction The material sciences, among others, have benefited greatly from the use of high precision spectroradiometer integrating sphere systems. These devices provide precise spectrum measurements, allowing...
I.Basic knowledge of EMI receiver EMI receiver, also known as Electromagnetic Interference Measurement Instrument, is the most widely used and basic measuring instrument in electromagnetic compatibility...
In recent years, the issue of Electromagnetic Interference (EMI) has gained more and more attention. There are two forms of EMI, namely conducted interference and radiated...
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...
Introduction The fields of science, industry, and commerce all rely heavily on accurate and precise light measuring techniques. High precision spectroradiometer integrating sphere systems, made possible...
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 Integrating spheres are often used in the process of optical measuring in order to get precise findings. Nevertheless, it is possible that the findings of...
Introduction: Electromagnetic compatibility (EMC) testing plays a critical role in ensuring the reliable operation of electronic devices and systems in various industries. EMI test receivers are...
I.What is EMI? Electromagnetic interference is the “decline of equipment, transmission channel or system performance caused by electromagnetic crosstalk”. Electromagnetic crosstalk is only an electromagnetic phenomenon,...
Introduction Light source characterization is a common use for integrating spheres because of their adaptability. They allow for the precise measurement of a wide range of...
Introduction: Integrating sphere is a type of optical instrument that are used to measure the total amount of light emitted by a source. It is widely...
Introduction The amount of electronics included into modern automobiles has grown exponentially along with the development of automotive technology. These developments have many positive outcomes, but...
EMC test receiver is an instrument used to test whether electronic products comply with EMC standards. When electronic equipment is in use, it will generate electromagnetic...
According to the specialness of LED flux measurement, the design of integrated sphere for LED measurement adopts unique optimization, combining high reflectivity diffuse reflector material, which...
Introduction: Problems with electromagnetic interference (EMI) are a major obstacle to achieving EMC in electronic equipment. To overcome these obstacles, EMI test receivers are important for...
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)...
LEDs are everywhere in life, and gradually applied to large -scale high -quality TVs, cars, streets, workplaces and home. In recent years, LED prices have been...
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...
Introduction Today’s highly technological society has made electromagnetic interference (EMI) a major issue. An ever-increasing quantity of electromagnetic emissions threatens the correct operation of surrounding electronic...
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....
Introduction Electronic devices are becoming more widespread in today’s interconnected society. This category includes a wide range of electronic devices, from mobile phones and laptops to...
Introduction Our increasingly complex technological devices are now fundamental to everyday life. “Electromagnetic interference” (EMI) is the problem that occurs when several electronic equipment that generate...
“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...
Plant lighting fixtures are a type of lamps based on application objects. Its irradiation objects are plants, and they are expected to have an expected physiological...
In addition to the selection and circuit design of components, good printing circuit board (PCB) design is also a very important factor in electromagnetic compatibility. The...
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,...
With the development of electronic technology, household electrical products are becoming increasingly popular and electronic, and the increasingly developed radio, television, post and telecommunications and computer...
Introduction of Integrating Sphere: The integrating sphere is a hollow sphere. The shell is generally made of metal. The inside of the shell is coated with...
Electromagnetic interference (EMI) is a phenomenon that may occur when an electronic device is exposed to an electromagnetic (EM) field. Any device that has electronic circuitry...
Integrating sphere calibration procedures are essential for ensuring accurate and reliable measurements of light. This article provides an overview of the calibration process, including the necessary...
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...
The North American Lighting Engineering Association (IESNA) has recently published the LM-82-12 standard test method. This test method can measure the relationship between the electrical, optical...
Emissions of electromagnetic radiation are carefully detected by EMI test receivers, which are incredibly precise machines intended to detect such emissions. The LISUN EMI test system...
Electro-magnetic interference (EMI) It is the unwanted noise or interference in an electrical route or circuit. It is brought on by an external source called electromagnetic...
What is spectroradiometer? A spectroradiometer may determine the wavelength and intensity of light from a source. It is also called the led integrating sphere. Spectrometers LPCE-3...
As an emerging light source, LED is very different in its own structure and luminous characteristics compared with traditional light sources. Due to the self-absorption effect...
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...
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...
1. Introduction With the rapid development of modern science and technology, electronics, power electronics, and electrical equipment are more and more widely used. The high-density, wide-spectrum...
Electromagnetic Interference (EMI) Testing is electronic noise that interferes with cable signals and reduces signal integrity. EMI is typically generated by sources of electromagnetic radiation such...
An integrating sphere is frequently used to examine luminaire or light source brightness, chromaticity coordinates, CCT, dominant wavelength, peak wavelength, etc. The traditional integrating sphere is...
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...
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...
Sphere Diameters Smaller diameter, lower cost spheres must have smaller utility ports and extraordinarily high throughput. In fact, depending on the light source, the throughput may...
An EMI Receiver reduces the reliability of cable signals. This is done by interfering with them. It is a form of electronic noise. Machines and motors...
At present, the problem of electromagnetic compatibility of electronic products has attracted more and more attention. Especially developed countries in the world have formed a complete...
Introduction An EMI receiver measures electromagnetic disturbances by employing traditional stepped scans or ultrafast FFT-based time domain scans. This is done during the construction of the...
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...
Purpose of Integrating Spheres An integrating sphere gathers electromagnetic radiation from a source that is typically external to the optical instrument. This is done for the...
A crucial piece of equipment for EMC testing is a spectrum analyzer. Spectrum analyzers with EMC-specific capabilities have become much more affordable in recent years. Spectrum...
Before a product is introduced to the market, EMC testing is necessary to obtain an Electromagnetic Emission and Immunity test certification. However, the cost of performing...
EMC test is the full name of electro magnetic compatibility. It refers to the comprehensive evaluation of the electromagnetic field interference (EMI) and anti-interference ability (EMS)...
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...
An integrating sphere is a spherical object with a reflective coating applied to its inside surface. Numerous tasks, such as measuring light, measuring reflectance, and homogeneous...
Electronic noise, also known as electromagnetic interference, impedes cable communications and weakens their integrity. Typically, machinery and motors that emit electromagnetic radiation serve as EMI receiver...
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...
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,...
EMC test, also known as electromagnetic compatibility, refers to the comprehensive evaluation of electromagnetic interference EMI and anti-interference capability EMS of electronic products. It is one...
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...
Electromagnetic interference is mainly divided into radiation type interference and conduction type interference. The electromagnetic interference transmitted through space belongs to radiation type, and the electromagnetic...
EMI receiver system for EMI (Electromagnetic Interference) radiation conduction or conducted emissions testing. The EMI-9KB EMI receiver is produced by the full closure structure and strong...
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...
With the development of science and technology, more and more digitized, high-speed electrical and electronic equipment is widely used in various fields of society, while promoting...
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...
What is EMI receiver? Electromagnetic Interference (EMI receiver) is electronic noise that interferes with cable signals and reduces signal integrity. EMI Receiver is usually generated by...
EMI receiver system for EMI (Electromagnetic Interference) radiation conduction or conducted emissions testing. The EMI-9KB EMI receiver is produced by the full closure structure and strong...
1.Introduction It is one of the most important environmental factors required for plant growth. It is not only the energy source in the process of plant...
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...
EMI receivers are defined as the high performance instrumentation that acquire data for analysis. EMI receivers are used in the scenarios where transient signals or spurious...
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...
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...
How can we classify if an electronic system will disturb our surroundings or not? Independently of any measurement technique, we need a measuring instrument to characterize...
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...
LISUN has been manufacturing integrating spheres for many years. Our Integrating Spheres product line offers a fantastic selection capable of measuring watts, lumens, candela, lux, joules,...
The EMI receiver is one of the most useful devices to be used in an EMC test chamber in an Electromagnetic Compatibility (EMC) laboratory or engineering...
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 an EMI receiver? Electronic noise that interferes with cable transmissions and decreases signal integrity is known as Electromagnetic Interference or an EMI receiver. Electromagnetic...
EMI receivers are a very good tool for analyzing EMI spectrums. This article will investigate alternatives such as spectrum analyzers. We will see how LISUN’s EMI...
Electromagnetic interference is one of the most difficult problems to solve when producing an electronic device. It is also known as EMI. The influence of these...
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...
Introduction The photoreceptor cells on the retina of the human eye are divided into two types: rod-shaped (circle) cells and cone-shaped (round) cells. The former has...
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...
Introduction The EMI-9KB is an automatic EMI receiver system for radiation conduction or conducted emissions testing. THE FOLLOWING CLOSURE STRUCTURE PRODUCES the EMI-9KB receiver and a...
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...
If your application requires measurement of a widely diverging beam, an integrating sphere is the best option to consider. An integrating sphere is an optical component...
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...
It is well known that color table and color rendering are two important quantities that reflect the color of light sources. Light sources with different spectral...
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...
1. What is a conducted disturbance test? 1.1 Introduction of conducted interference: Electromagnetic interference (EMI)-The interference signals generated by electronic devices are transmitted through wires or...
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...
The standard specifies that the size of the integrating sphere is based on the size of the lamp under test. But experts explain that for many...
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...
The concept of electromagnetic compatibility IEC 60050 (161) is equivalent to GB/T4365-1995 “Electromagnetic Compatibility Terminology”, which defines EMC as “equipment or system can work normally in...
Foreword: With the rapid development of the LED industry, the application range of LED lamps is becoming wider and wider, and there are more and more...
A key design challenge in designing a power bank is passing EMI testing. Electronics engineers often worry about failing EMI tests. If the circuit EMI test...
As the speed of integrated circuits is getting faster and the density is getting bigger and bigger, there will inevitably be interference problems, and we must...
Electromagnetic compatibility difficulties in electrical engineering include the impact of electromagnetic coupling, electronic switching, and semiconductor devices on power quality. Restricting or reducing electromagnetic energy creation,...
LED chip are small in size, low energy consumption, long life, and other advantages, which promote their rapid development and are widely used in various fields...
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...
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...
LED plant growth lamp is an artificial light source that uses LED (light emitting diode) as the luminous body to meet the lighting conditions required for...
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...
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 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,...
An integrating sphere is one of the most important instruments in the measuring of light. An Ulbricht sphere is a device that catches all of the...
Electromagnetic Interference(EMI Receiver) Introduction: Electromagnetic Interference (EMI receiver) is electronic noise that interferes with cable signals and reduces signal integrity. EMI Receiver is usually generated by...
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...
Integrating spheres spectrophotometers are optical devices often used to compute the optical characteristics of a turbid medium, i.e., reflectance and transmission. In many areas of science,...
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...
Electromagnetic disturbance that degrades the performance of electrical equipment or electronic device, works abnormally or fails. It can be divided into conducted interference test and radiated...
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...
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...
According to CIE127, EN13032-1 and LM-79-19, there two ways to test lighting lamps for photometric parameters: Spectroradiometer & Integrating Sphere and Goniophotometer System. What’s difference between...
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...
Electromagnetic interference (abbreviated as EMI) refers to the interference phenomenon caused by the interaction of electromagnetic waves and electronic components. There are two types of conducted...
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...
Working principle of shielding room: Computers, communicators, and electronic equipment will generate electromagnetic waves of certain strength during normal operation. The electromagnetic waves may interfere with...
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...
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...
There are many customers feedback that their LED luminaires can’t pass CE Certificate EMI Radiation Test (30-300MHz) in 2019 year but it is the same one...
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...
Electromagnetic Compatibility EMC refers to the ability of a device or system to function properly in its electromagnetic environment and does not constitute an electromagnetic disturbance...
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 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...
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...
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...
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...
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...
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...
With the widespread use of electrical and electronic equipment, the problem of electromagnetic disturbance has also brought electromagnetic pollution. EMC(Electro Magnetic Compatibility) refers to the ability...
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...
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...
The three loop antenna are often used during electromagnetic radiation test. Lisun three loop antenna VVLA-30M is a standard measurement antenna according to CISPR15-2005. It can...
LEDs and LED luminaires with high light efficiency, longer lifetime, better energy saving and environmental friendly advantages to achieve top position on the lighting industry, like...
RF LED light is emitting diode by converting the RF energy into light energy. LED lights are not always RF LED lights, for example, if the...
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...
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...
Standards GB17743-2007 / CISPR 15:2005 <Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment> instead of the standards GB 17743-1999...
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-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 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...
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...
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...
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...
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...
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.
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...
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 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...
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...
LISN is short for Line Impedance Stabilization Network. LISN is important assistant equipment for EMC test in the power system. It can isolate the disturbance from...
Recently, there have a new that the China Consumer Association announcement computer failure excessive radiation harassment, that easy to affect the power grid equipment and cause...
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...
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,...
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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