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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This standard IS 7785-1 specifies the general requirements for elevated type aerodrome lighting fittings used in airports. It covers the design, manufacturing, and testing requirements to ensure safety, reliability, and performance under specific operating conditions. The standard addresses aspects such as structural design, optical performance, electrical requirements, and environmental adaptability.
IS 7785-1 Elevated type aerodrome lighting fittings, Part 1: General requirements
LISUN supplies the fully test solutions for the following BIS IS 7785 (Part 1), please see the below excel table:
| IS 7785 Clause and Subject | LISUN Product |
| 5.1 Optical System(Figure 1& Figure 2) | LSG-1950 |
| 5.1.4.1 Chromatricity | LMS-6000 |
| 5.1.4.5 Transmission | HM-700 And LMS-6600T |
| 5.1.5.2 Brightness of diffusing wave | LMS-6000L |
| 5.8.2 Photometric Test | LPCE-2(LMS-9000C) |
| 5.8.4 Test for temperature shock | HLST-500D |
| 5.8.5 Test for Temperature life | GW-225 |
| 5.8.6 Rainproof test | JL-UL |
| 5.8.7 Insulation Resistance | WB2681A |
| 5.8.8 High Voltage Test | HIPOT10-100KV |
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 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 LED driver test solutions cover lab testing, online testing, EMC/EMI tests, and safety checks, meeting IEC 60335, UL 60335 standards for reliable performance evaluation.
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: 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: 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: 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: 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 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: Withstand voltage testing, also known as high insulation strength testing, is a core method for evaluating the safety of electrical equipment, electronic instruments, and insulating...
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 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...
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...
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 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...
Abstract In the R&D, production, and factory inspection of electronic and electrical products, lamps, electrical cabinets, and other equipment, the UL rain test is a key...
Abstract In the production and quality control of transparent and translucent materials such as plastics, films, glass, and LCD panels, color consistency, haze, and light transmittance...
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 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 Throughout the entire life cycle of electrical and electronic products, waterproof performance in outdoor or humid environments is a critical indicator determining product reliability and...
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 production and R&D process of electrical and electronic products, lamps, electrical cabinets, and electrical components, their operational reliability in outdoor or humid environments...
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 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 Hipot Test, short for high potential test, is a critical electrical safety test designed to evaluate the insulation strength of electrical components by applying a...
Abstract Transparent and translucent materials such as plastic sheets, films, glass, LCD panels, and touch screens play a critical role in industries ranging from electronics to...
Abstract This paper focuses on UL Rain Spray Testing, a crucial method for evaluating the performance of electronic and electrical products, lamps, cabinets, electrical components, and...
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 In the operation and maintenance of modern electrical equipment, insulation resistance testing is a critical process for ensuring safety, reliability, and performance. This testing method...
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...
Introduction In the transportation industry, the measurement of lighting equipment plays a crucial role in ensuring the safety and efficiency of both ground and airborne transportation....
Abstract The insulation resistance tester plays a crucial role in ensuring the safety and efficiency of electrical equipment. The LISUN WB2681A, as an advanced insulation resistance...
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 The UL Rain Test plays a critical role in evaluating the durability and safety of electronic and electrical products under simulated rain conditions. This paper...
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,...
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...
Abstract The UL Water Spray Test Device is pivotal for evaluating the water resistance of electronic and electrical products, lighting fixtures, electrical cabinets, and other components....
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...
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 Insulation resistance testing plays a crucial role in determining the safety and operational efficiency of electrical equipment. An essential tool for this process is the...
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...
Abstract The hipot test, short for “high potential” test, is crucial for assessing the dielectric strength of electrical components, especially capacitors. It verifies that these components...
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...
In the realm of electrical safety testing, the Hipot Test procedure is a crucial method for verifying the dielectric strength of electrical devices. This process ensures...
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....
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...
LSG-1950 is a CIE A-α goiophotometer. The photometer head keeps static and it faces to the sample under test while the sample is rotating around both...
The high and low temperature shock test chamber is the necessary testing equipment for metal, plastic, rubber, electronics and other material industries. It is used to...
High and Low Temperature Thermal Shock Chamber are used in electronic and electrical components, automation components, communication components, automotive parts, metals, chemical materials, plastics and other...
The High and Low Temperature Termal Shock Chamber is the main equipment of modern reliability laboratories, which simulates the changes in cold and hot environments for...
The high and low temperature thermal shock chamber has a large testing space and is a batch or electronic and electrical component for industrial manufacturers and...
What is An Insulation Resistance Tester? Insulation resistance tester is an important technical tool to measure the protective capacity of electrical systems. It evaluates the electrical...
In industrial production, when testing electronic components, it is necessary to use a High and Low Temperature Thermal Shock Chamber for detection and testing. It is...
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...
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 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...
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...
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...
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 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...
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 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 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...
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 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...
The High and Low Temperature Thermal Shock Chamber, is mainly used in the electronics and electrical components, automation components, communication components, automotive parts, metals, chemical materials,...
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 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 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 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...
The High and Low Temperature Termal Shock Chamber is the main equipment of modern reliability laboratories, which simulates the changes in cold and hot environments for...
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...
The High and Low Temperature Thermal Shock Chamber has the advantage of large experimental space inside, which is used for material exploration and industrial manufacturers’ batch...
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 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...
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...
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...
The High and Low Temperature Thermal Shock Chamber is the main equipment in modern reliability laboratories, used for cold and hot cycling of various materials and...
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...
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...
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...
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...
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...
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...
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 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.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...
High and Low Temperature Thermal Shock Chamber is the main equipment of modern reliability laboratory, which is used for cold and hot cycles of various materials...
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 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...
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 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)...
The High and Low Temperature Termal Shock chamber, also known as the explosion-proof constant temperature and humidity test chamber, is a professional equipment used to test...
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 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....
“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 High and Low Temperature Thermal Shock Chamber has two chambers and three chambers. The customer can choose which type according to the actual test requirements....
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...
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,...
In industrial production, when testing electronic components, it is necessary to use a High and Low Temperature Thermal Shock Chamber for testing. It is used for...
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...
Generally speaking, we can understand the concept of haze as the ability to scatter light. As shown above, light is scattered. The greater the haze, the...
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...
Transparency is one of the important indicators to evaluate the optical properties of transparent film, but during the production process of transparent film, due to the...
Do you know the Haze, transmittance, refraction, gloss ?When light is incident on the surface of an object 1. Specular reflection occurs on the surface of...
Equipment, goods, and chemicals may be tested for their durability, stability, and use in a carefully managed and controlled environment called an environmental test chamber. Environmental...
To detect current leakage and poor or damaged insulation that may cause arc faults, blown circuits, and danger of electrical shock or fire, an insulation resistance...
Environmental chambers are used to research the impacts of various environmental elements on multiple items or materials, including temperature, humidity, light, and others. Environmental chambers HLST-500D...
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...
Characteristics of Haze Meter: Haze is the percentage of the transmitted light intensity that deviates 2.5 ° from the incident light to the total transmitted light...
The Thermal Shock Chamber from LISUN is an efficient tool for subjecting products to thermal shock testing. A product carrier basket in Thermal Shock Environmental Chambers...
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...
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...
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...
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...
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...
High and Low Temperature Thermal Shock Chamber can be used in the temperature shock test and fast-changing temperature test in a wide range such as aviation,...
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...
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...
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...
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...
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...
What are the Types of Temperature Chambers Temperature chambers come in a wide range of sizes, from those that fit on a shelf to those that...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Waterproof testing grade reflects the ability of moisture-proof of products. Especially for outdoor activities, it is unavoidable to be in the harsh environment of high humidity....
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
LED automotive light adopts LED (light emitting diode) as a light source. Since the LED possesses advantages of high brightness, variety of colors, low power consumption...
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...
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...
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,...
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...
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...
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...
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 &...
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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