LM-79 Moving Detector Goniophotometer (Mirror Type C)
LSG-6000
High Precision Rotation Luminaire Goniophotometer
LSG-1890B
High Precision Rotation Luminaire Goniospectroradiometer
LSG-1890BCCD
Goniophotometer for Automotive and Signal Lamps
LSG-1950
Goniophotometer for Traffic Signal Lamps
LSG-1950S
Compact Goniophotometer
LSG-1200A
Near Field Moving Detector Goniophotometer
LSG-1900B
LEDs and Luminaire Test Solutions
LM-79 and LM-80 Test Solutions
LED Driver Test Solutions
Household Appliances Test Solutions
Mobile and Network Test Solutions
Automotive Electronics Test Solutions
Audio-Video and IT Test Solutions
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Plugs and Sockets Test Solutions
Power Switch Test Solutions
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Published on June 23, 2015, the Saudi Standard SASO 2870/2015 came into force on May 1, 2016. This standard sets the energy efficiency, functionality, and labeling requirements for indirect and direct general light sources with a luminous flux between 60 lumens and 12,000 lumens.
SASO 2870 Energy Efficiency, Functionality, and Labeling Requirements for General Light Sources
LISUN following instruments fully meet SASO 2870 Energy Efficiency, Functionality, and Labeling Requirements for General Light Sources:
| SASO 2870:2015 Clause and Subject | LISUN Model |
| 2.2 Ballast | WT5000 |
| 2.2 Beam angle(Table 15) | LSG-6000 |
| 2.2 Chromaticity, color rendering, CCT and so on | LMS-6000 |
| 2.2 Lamp Lifetime | SY2036 |
| 2.2 Lamp Start time | LSRF-3 |
| 2.2 Lamp lumen maintenance(Annex Table 14: multiplication factors for lumen maintenace) | |
| 4.1 Energy effciency requirements(Annex C table 2 and Annex F Table 8, Table 9 and Annex H Table 13 | LPCE-2(LMS-9000) |
| 4.4 Hazardous chemicals(Annex I Table 16, 17 &18) | EDX-2A |
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 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 LM-79 and LM-80 test solutions cover LED photometric, colorimetric, and lumen maintenance tests, meeting IES standards for accurate 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: In the fields of lighting engineering and LED light source R&D, luminous intensity distribution is a core indicator that characterizes the spatial light distribution performance...
Abstract With the popularization of LED lighting technology, flicker has become a key factor affecting light environment health and product quality. As the core equipment for...
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: Luminous intensity is the core photometric parameter that characterizes the luminous flux output of a light source per unit solid angle in a specific direction,...
Abstract: Gold machine tester is a core testing instrument in precious metal trading, jewelry quality inspection, recycling identification and alloy composition analysis. It also supports RoHS...
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: The Type C goniophotometer system is core equipment for optical performance testing of lighting products. It meets the strict requirements of the latest standards such...
Abstract: With the continuous upgrading of the EU RoHS Directive and the increasing requirements for environmental compliance of electronic and electrical products worldwide, rapid and accurate...
Abstract: The LM-79 Moving Detector Goniophotometer (Mirror Type C) is core equipment for optical parameter measurement in the lighting industry, specially designed for full-space luminous intensity...
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...
Abstract To test light intensity with laboratory-grade precision requires systematic compliance with international photometric standards and advanced goniophotometric instrumentation. This paper presents a comprehensive technical analysis...
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 instrument for measuring intensity of light is a core device in the field of illumination optical detection. As a high-precision representative of such devices,...
Abstract: The RoHS tester is core equipment for hazardous substance compliance testing of electrical and electronic products. Based on energy‑dispersive X‑ray fluorescence (EDXRF) technology, the LISUN...
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 increasing stringency of global environmental regulations, RoHS tester has become a mandatory requirement for electrical and electronic products to enter the international market....
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 an efficient and accurate element analysis equipment, the metal XRF analyzer plays a crucial role in industrial testing, environmental monitoring and other fields relying...
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...
Goniophotometer testing is the most prevailing way of attaining total three dimensional photometric characterization of luminaires and light source. In contrast to the simplified measurements which...
Type C Goniophotometer systems are used in preference in road and out light testing since they provide a convenient combination of geometry, angular coverage, and alignment...
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...
One of the major requirements of assessing LED luminaires deployed in the commercial, industrial, and outdoor setting is an accurate photometric measurement. An LED goniophotometer will...
Modern lighting design, compliance and performance validation require accurate assessment of luminous intensity distribution. The goniophotometer operation is the basis of this assessment as they allow...
It is equally crucial to know the way light is scattered in space as it is that the luminaire produces a specific amount of light. In...
A correct photometric analysis not only involves optical sensors but also on the execution of measurement geometry in the process of testing. Goniophotometers are special equipment...
Proper testing of performance of lighting is the key to product safety, efficiency and acceptance regarding regulations in the global market. Goniophotometry is of a central...
The current LED lighting systems no longer have bare power and brightness values in printed packets or packaging. End users require real-life lighting behaviour, i.e. what...
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...
Professional lighting evaluation requires correct measurement of luminous distribution and beam shape, light intensity distribution, uniformity and directional output. In current illumination systems, total lumens are...
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...
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 This paper focuses on the LISUN EDX-2 Series Energy Dispersive X-ray Spectrometers, systematically expounding their detection principle based on the characteristic X-rays of elements, analyzing...
Abstract With the rapid development of lighting technology, various lighting products such as LED light sources, plant growth lights, and HID light sources have increasingly high...
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 Light-Emitting Diode (LED), as a new generation of solid-state lighting source, is widely used in various fields due to its advantages of high efficiency, energy...
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: This paper elaborates on the working principle of XRF analysers (Energy Dispersive X-Ray Fluorescence Spectrometers), which involves analyzing the wavelength and intensity of characteristic X-rays...
Abstract Goniometer light measurement serves as the cornerstone of accurate optical performance evaluation for solid-state lighting (SSL) products. With the 2025 release of ANSI/IES LM-79-24, the...
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 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 The rapid advancement and widespread adoption of LED lighting technology have revolutionized the illumination industry, offering energy efficiency and longevity. However, the issue of light...
Introduction In the rapidly advancing field of LED lighting, the LED Tester has become an essential tool for ensuring that light sources meet rigorous international standards...
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...
Abstract In the field of optical measurement, two key instruments—LISUN’s vertical goniophotometer and the standard illuminance meter—play indispensable roles. Although their functions and applications differ significantly,...
Introduction In modern indoor horticulture, the application of LED plant grow lights has become a trend. These fixtures significantly boost the efficiency and yield of indoor...
Introduction In modern technology and industry, the precise measurement of light intensity plays a pivotal role. Whether in lighting engineering, optical equipment manufacturing, or scientific research,...
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 Luminous intensity measurement is a critical parameter in evaluating the performance of lighting systems, ensuring compliance with standards, and optimizing the design of lighting products....
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 today’s world, the precise measurement of lumens is crucial in determining the efficiency and effectiveness of lighting systems. With the rise of LED technology and...
Abstract: The measurement of light intensity is crucial in the development and evaluation of lighting products, particularly in meeting international standards for photometric testing. 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,...
Abstract: Luminous intensity measurement plays a critical role in the performance evaluation of lighting products, and the use of a full-space distribution goniophotometer is an essential...
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: 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: XRF fluorescence, or X-ray fluorescence, is a non-destructive analytical technique used to determine the elemental composition of materials. By analyzing the characteristic wavelengths emitted by...
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 The XRF machine, an essential tool for non-destructive material analysis, is pivotal in industries ranging from electronics to metallurgy. Among the leading models in this...
Abstract Flicker testing has become an essential process in assessing the performance of modern lighting systems. With increasing adoption of LED lighting, understanding and evaluating flicker...
Abstract Understanding what is light intensity is crucial for industries involved in designing, manufacturing, and testing lighting equipment. Light intensity, a fundamental photometric property, determines how...
Abstract This paper explores the use of the LISUN EDX-2A RoHS Testing Equipment in performing elemental analysis on gold samples. EDXRF technology, as employed by the...
Abstract This paper presents a comprehensive analysis of the performance characteristics of bulb lights, PAR lamps, and LED tubes through the LISUN LSG-6000 LM-79 Moving Detector...
Introduction Metal analysis is essential in various industries such as manufacturing, environmental testing, and quality control. One of the most efficient and non-destructive techniques used for...
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 Light intensity, a key parameter in lighting design and testing, plays a significant role in the development of lighting products that meet international standards such...
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...
The accurate measurement of light intensity distribution is crucial in the development and quality assurance of lighting products. The LISUN LSG-6000 LM-79 Moving Detector Goniophotometer (Mirror...
Energy Dispersive X-Ray Fluorescence (EDXRF) spectrometry is a powerful technique used for elemental analysis and RoHS (Restriction of Hazardous Substances) compliance testing. XRF spectrometers are widely...
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 LED light testers are crucial in evaluating the performance and quality of LED products. Among these testers, the LISUN LM-79 Moving Detector Goniophotometer stands out...
X-ray spectrophotometers play a crucial role in material analysis, particularly in the detection and quantification of elemental compositions. These instruments are essential for ensuring compliance with...
Luminous intensity is a critical photometric quantity in lighting technology, representing the amount of light emitted by a source in a particular direction, measured in candelas...
Hong Kong, October 27-30, 2024 – LISUN is excited to announce its participation in the 2024 Hong Kong Lighting Exhibition from October 27th to 30th. As...
Abstract The rapid advancement in LED lighting technology has driven the need for precise and reliable testing systems. The LISUN LSRF-3 is a comprehensive testing solution...
Introduction The EU RoHS 2.0 directive, issued in 2011, is a critical regulation aimed at limiting the use of hazardous substances in electronic and electrical products...
What is a Coating Thickness Analyzer? A coating thickness analyzer, also known as a coating thickness gauge, electroplating layer tester, or anti-corrosion layer detector, is an...
What is a RoHS Tester? A RoHS tester is a specialized device used to ensure compliance with the European Union’s RoHS (Restriction of Hazardous Substances) directive....
Distributed photometers are essential measurement devices used to test the photometric performance of lighting fixtures. They are categorized into vertical and horizontal types and are capable...
The RoHS tester is an instrument used to detect the presence of hazardous substances restricted by the EU RoHS standard, primarily detecting six harmful substances including...
In today’s society, with the increasing awareness of environmental protection, people’s demands for products have expanded beyond mere functionality and performance to include environmental friendliness and...
In modern manufacturing, connectors are one of the essential components, widely used in electronic devices, the automotive industry, and communication equipment. To ensure product safety, human...
Photometric Testing is an important step in ensuring the intensity and distribution uniformity of street lights. The luminance measurement is a commonly used testing instrument that...
With the development of technology and increasing environmental awareness, people are paying more attention to the environmental friendliness of products. RoHS (Restriction of Hazardous Substances) is...
Road lighting testing is an important step in ensuring the intensity and distribution uniformity of street lights. The Type-C goniophotometer is a commonly used testing instrument...
With the development of technology and increasing environmental awareness, people are paying more attention to the environmental friendliness of products. RoHS (Restriction of Hazardous Substances) is...
Illumination is one of the most important factors impacting human visual perception. The photometric performance of lighting fixtures and the luminous flux of LED fixtures are...
LED, as a new type of lighting source, has many advantages such as high efficiency, energy-saving, and long lifespan, gradually replacing traditional lighting sources. However, how...
RoHS2.0 is a revised version of RoHS environmental requirements that came into effect in 2011. RoHS2.0 requirements are similar to RoHS, but with some adjustments in...
LISUN, a leading provider of lighting testing and measurement solutions, is excited to announce its participation in the International Trade Show of Lighting Equipment Light 2024...
Introduction: Airfield safety and efficiency rely heavily on well-lit runways and taxiways. To ensure that pilots have the best possible vision during takeoff, landing, and taxiing,...
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...
With the increasing awareness of environmental protection, there has been a growing concern about hazardous substances in electronic products. In order to protect consumer health and...
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...
Lighting fixtures play a crucial role in the field of lighting. To ensure the lighting effect and quality of the fixtures, it is necessary to test...
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: A rising problem, light pollution has an impact on both urban and nature settings. It describes the brightening of the night sky and the disturbance...
Introduction: When it comes to the optical characterization of lighting components, goniophotometers prove to be invaluable tools. With the use of these instruments, producers and researchers...
Introduction: Virtual reality (VR) development has been very beneficial to many other industries, including but not limited to the gaming business, the entertainment industry, the building...
Introduction: Measurement and characterisation of visible light sources is a typical use for goniophotometers. However, their functionality goes beyond what the human eye can see, allowing...
Introduction: A goniophotometer is a high-tech device for determining the angle of illumination from a given source. It is vital in the fields of lighting design,...
Goniophotometers are vital tools for determining the dispersion of a given light’s output. They are helpful for characterizing and analyzing lighting fixtures, lamps, and luminaires because...
Introduction Plant culture has found several applications for the powerful technique of goniophotometry, which measures and describes the characteristics of various sources of light. Because of...
Introduction The use of charge-coupled device (CCD) goniophotometry has greatly advanced the study of light. Thanks to developments in charge-coupled device (CCD) technology, today’s goniophotometers can...
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 Testing for quality control and compliance are very important aspects of the manufacturing and verification of lighting. In order to ensure that the quality of...
Introduction Goniophotometry is a standard method for describing the light field around a given point source. It’s vital in lots of different fields, such as lighting...
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 The assessment and characterization of lighting systems relies heavily on goniophotometric data. But there are difficulties along the way. There are a number of variables,...
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 Goniophotometry is a powerful method that accurately measures and characterizes the distribution of light inside a specific interior environment because to its ability to measure...
Introduction Goniophotometry is a powerful method used extensively in the lighting industry to measure and evaluate many different aspects of light. The goniophotometer’s ability to measure...
Introduction Automotive lighting systems are vital to ensuring the safety of drivers, passengers, and pedestrians on the road since they are responsible for providing enough illumination...
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 Measurement and characterisation of the light distribution from a wide variety of sources may be accomplished with the help of goniophotometry, a method that has...
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 Because it offers specific information on the manner in which various types of light sources disperse their brightness, goniophotometry is a vital approach for determining...
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 Goniophotometry is a tried-and-true technology that has been used for a good number of years as a means of measuring and describing light. In order...
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...
The Rohs Testing Machine is the testing instrument for the EU RoHS testing standard. Simply put, it is an instrument for testing six harmful substances including...
Introduction Goniophotometers are high-tech instruments that can measure the properties of light dispersion with a high degree of accuracy. Calibration is needed for trustworthy measurement findings....
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: Goniophotometry is a very effective method for determining the angular distribution of a light’s emission. It’s helpful for a wide range of lighting applications since...
Introduction Goniophotometry is a very effective measuring method that is crucial to the LED characterisation process. It allows for the accurate assessment of a wide range...
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 In the field of photovoltaics, goniophotometry, which is a standard technique for measuring the intensity of light, has shown to be very beneficial. Measurements using...
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 Goniophotometers are a vital instrument for lighting researchers, including scientists, engineers, and designers who are trying to advance the state of the art in lighting....
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 In order to accurately represent the geographical distribution of light coming from a variety of sources and fixtures, the field of lighting places a significant...
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 Measurement and analysis of light sources and lighting fixtures is impossible without the use of goniophotometry and photometry. Light may be measured in two distinct...
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 Goniophotometry is a tried-and-true approach that may be used to evaluate the spatial dispersion of the output of a luminaire. Because it enables accurate characterization...
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 lighting of an exhibition is one of the most important factors in drawing people in and making them feel immersed in the work on...
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 Without appropriate consideration for industrial lighting design, it is impossible to construct workplaces that are both safe and effective. Goniophotometry is a precise means of...
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 Marine life needs certain lighting conditions, and aquarium lighting plays an essential role in achieving both aesthetic and ecological objectives. Marine life can only survive...
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...
Introduction Goniophotometers are an essential tool for verifying that buildings meet lighting codes and are certified as safe. Manufacturers, regulators, and other stakeholders may evaluate the...
Goniophotometers are desktop systems used for measuring light intensity distribution, light flux, and color. This easy-to-operate system combines the functions of a goniophotometer for measuring the...
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 The visibility of urban areas, as well as their safety and security, are significantly dependent on the quality of their street lighting systems. Goniophotometry is...
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 Horticultural research, greenhouse cultivation, and indoor farming may all make significant strides forward with the help of specialized horticultural lighting. The precise measurement and analysis...
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 By giving meticulous attention to the design of a building’s lighting, one may increase not only the building’s aesthetic value but also its functionality and...
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...
Introduction In the field of lighting design, goniophotometry is an equipment that is vital since it allows for reliable measurement and analysis of the features of...
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 Goniophotometric Measurements are an essential instrument for illuminating both interior and exterior spaces. The use of goniophotometry to assess and enhance the performance of lighting...
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...
With the development of LED technology, LED market is booming, its advantages mainly hinged on its good luminous efficiency, long service life and reliability, favored by...
I. The Functions of a High Precision Goniophotometer High Precision Goniophotometer have the following functions: Testing the light intensity distribution curve, light intensity data, beam angle,...
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...
Introduction As we move towards a more sustainable future, lighting designers are more concerned with developing ecologically friendly and low-energy lighting options. Sustainable lighting design relies...
Distribution gonio photometers typically come in two commonly used types: Lamp Turning Gonio Photometers and Mirror Turning Gonio Photometers. So what different report formats can their...
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 In the field of lighting measurement, goniophotometry is an important approach since it is used to properly quantify the angular distribution of the light produced...
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 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...
Introduction Goniophotometry is a common method of measuring in the study and design of artificial lighting. It allows for a precise evaluation of the light’s angular...
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...
Goniophotometer is also know as luminous intensity measuring device, is divided into vertical goniophotometers and horizontal goniophotometers. Goniophotometer is the main measuring equipment for light distribution...
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...
What does RoHS refer to? RoHS stands for the Restriction of Hazardous Substances Directive, which was legislated by the European Union and officially implemented on July...
Introduction Goniophotometry is a specific way of measuring that is an essential component in the process of designing lighting systems with humans in mind and then...
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 Goniophotometry is an effective measuring method that is vital to the study of luminaire deterioration and aging. The light output, light dispersion, and energy efficiency...
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 the process of designing and evaluating lighting systems for automobiles, the specialized measurement technique known as goniophotometry plays an extremely essential role. The automotive...
ROHs Compliance Testing refers to the testing of harmful substances in electronic and electrical products to ensure that the products meet the requirements of the EU...
Introduction In an indoor garden, having a lighting system that is properly balanced is essential to the growth of healthy plants. Photosynthetic photon flux density (PPFD)...
Introduction Goniophotometers are high-tech instruments that are used to precisely measure and characterize the light dispersion emanating from a certain light source. These pieces of equipment...
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 Lighting designers that have knowledge in a multitude of fields, such as architecture, automotive, horticulture, and others, are very useful to their respective businesses. It...
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....
Reliable photometric measurements are becoming more and more important in the rapidly developing area of lighting technology. The LM-79 Moving Detector Goniophotometer is revolutionizing the field...
WT5000 Electronic Ballast Tester is the updated version of WT3000 with a super LCD for displaying waveforms and parameters directly, and it includes all the functions and...
“The LED is divided into upstream and downstream, which can be said to be a dragon. For new technology development, in the collation in the top...
What is type C goniophotometer definition? LSG-6000 Moving Detector Goniophotometer (Mirror Type C) was manufactured by LISUN completely meets LM-79-19, IES LM-80-08, COMMISSION DELEGATED REGULATION (EU) 2019/2015, CIE-121, CIE S025, SASO 2902, IS16106...
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,...
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...
What is type C goniophotometer definition? LSG-6000 Moving Detector Goniophotometer (Mirror Type C) was manufactured by LISUN completely meets LM-79-19, IES LM-80-08, COMMISSION DELEGATED REGULATION (EU) 2019/2015, CIE-121, CIE S025, SASO 2902, IS16106...
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...
The life of LED is still a characteristic of long -term attention. The theoretical life of LED is very long. Like the traditional light source uses...
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...
Semiconductor Solid Lighting (SSL) is a trend of future development, especially today, where global energy is becoming increasingly tense and the climate is deteriorating today. With...
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...
A CIE TN006-2016 CIE SVM certified flicker test system. The harmonics and the flicker analyzers use alternating current (AC) sources with peak current ratings of up...
SY2036 LED aging and life test rack is fully designed according to the IEC standards, and it can also be designed based on the customer request....
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...
A LM-79 goniophotometer is an instrument for measuring the light reflected off an object at various viewing angles. It is somewhat considered like integrating sphere spectrophotometer....
What is type C goniophotometer definition? LSG-6000 Moving Detector Goniophotometer (Mirror Type C) was manufactured by LISUN completely meets LM-79-19, IES LM-80-08, COMMISSION DELEGATED REGULATION (EU) 2019/2015, CIE-121, CIE S025, SASO 2902, IS16106...
LSRF-3 Lamp start, Run-up time and Light Flickering Analyzer – Flicker Tester is equipped with Class A fast photometric probe, so the sampling speed is up...
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...
Since the birth of the world’s first semiconductor light emitting diode in the 1960s, LED lighting has been known as the light of hope in 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...
To test and record the optical and electrical maintenance for a single LED or LED module, the LEDLM-80PL System for Testing LED Lumen Aging and Maintenance...
Goniophotometers are tools used for evaluating the luminous flux, otherwise also known as the brightness of various types of equipment. An LM-79 LM moving detector goniophotometer...
LISUN’s LSRF-3 Because the LSRF-3 is equipped with a Class A fast photometric probe, the sampling rate can reach 100kHz. It fully complies with BASIC, Energy...
It’s important to run testing on LED aging. Without an aging test, it is impossible to ensure the product’s quality, and unreliable elements will show up...
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...
Goniophotometers The method of measuring angular distribution of light is termed as gonio photometry. A photometric device combining photometer and a goniometric motion stage to measure...
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...
Traditional photometry laboratories are no longer in use in the modern world. A new level of complex instruments is required for better results. This is so...
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...
The LISUN goniophotometer is an optical tool. It is used to gauge the amount of light present at various locations across a single area. It is...
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...
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...
Goniophotometers are a devices used to test the luminosity of other devices and appliances. This can help ensure the quality of of the devices to be...
A goniophotometer is a tool used to determine an instrument’s luminosity. It does this by evaluating the 3D curve of the light intensity distribution. LISUN’s goniophotometer-...
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,...
The potential and advantages of LEDs continue to develop. The next five to fifteen years will be a period of development of LED lighting from traditional...
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...
LED lighting products are rapidly replacing traditional lighting products due to their superior luminous performance and high efficiency and energy saving. With people’s continuous pursuit of...
Flicker Test System also known as stroboscopic still or tachometer, is an optical measuring device that can change a vibrating, high-speed rotating or periodically moving component...
What is type C goniophotometer definition? LSG-6000 Moving Detector Goniophotometer (Mirror Type C) was manufactured by LISUN completely meets LM-79-19, IES LM-80-08, COMMISSION DELEGATED REGULATION (EU)...
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...
The electro-optical test methods allowed by IESNA Solid State Lighting Products, specifically referred to as LM-79, are jointly developed by IESN and the ANSI Solid State...
1.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...
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...
Goniophotometer is a device that serves many purposes to test products that utilize light energy. This device can be used to get photometric values and led...
A Goniophotometer is a device used for measuring the light emitted from an object at multiple angles. Goniophotometers can measure the properties of light that are...
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...
Photometry LISUN is an independent lighting and optical test laboratory for testing LEDs, lamps, luminaries, displays, signs, and vehicle lighting. Photometry is the modern science used...
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...
Introduction LSG-6000 goniophotometer is manufactured by LISUN. LISUN manufactures an LSG-6000 goniophotometer. It can measure all lighting sources, LED, Plant Lighting or HID luminaires such as...
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...
Goniophotometer A goniophotometer is a measuring device. It is used to measure directional light distribution characteristics in lamps and luminaires. It collects photometric data from different...
Introduction Any lamps and lanterns may have “flicker“ when connected to AC power! Unless you don’t use batteries or transformers, lighting fixtures cannot avoid “strobe“, which...
LISUN is a leading manufacturer of spectroradiometers for remote sensing applications. These include geological and spectral remote sensing, crop and soil research, vegetative, forestry and canopy...
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...
The strength or quantity of light that a light source can produce is known as light intensity. The light intensity is the amount of power produced...
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 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...
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...
For Windows 7/8 USB driver coding, Microsoft explicitly requires drivers to use EV code signature, and after Windows 10/11, the EV coding signature is not enough...
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...
A goniophotometer is a device that combines the functions of a photometer with those of a goniometric motion stage to create a single instrument. This process...
Goniophotometers are devices that may be used to measure the characteristics of light produced by a light source, such as color, intensity, and wavelength. This provides...
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,...
1. Luminaire rotating distribution mirror goniophotometer: Goniophotometer adopts the measuring principle of static detector and rotating lamp to realize the measurement of light intensity distribution in...
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...
The goniophotometer is suitable for studying the angular spatial radiation properties of big LED modules, lighting goods, and traditional luminaires. Working with a photometer as a...
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,...
In this day and age, traditional photometry laboratories are no longer in operation. To achieve a complete characterization of LED-based luminaires, a new degree of complexity...
Background theory You may use various photometric parameters to assess light sources through a goniophotometer, including the light flow, luminous intensity, and spectrum distribution. Luminous flow...
Introduction The emission of a light source is often represented using the far-field luminous intensity distribution. It is now challenging to calculate the conventional limiting photometric...
It offers new difficulties for luminance measurement , especially in developing new sources and new lighting technologies. LISUN has therefore created several goniophotometers using different test...
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...
LM-79 is a standard defining how to test the performance of an LED light or fixture. An LM-79 test is conducted at a time and a...
In photometry, the light power measurement is performed using two different instruments: a goniophotometer and an integrating sphere. Both have outstanding characteristics that make them suitable...
An optical goniometer is an instrument that measures an angle or allows an item to rotate to a certain point. The former term applies more in...
Photometry is a method that estimates the concentration by measuring wavelengths of light of organic and inorganic compounds in a solution. Photometric measurement is critical for...
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...
A goniophotometer is a test device that measures the amount of light emitted from a light source when seen from various angles. The term goniophotometer is...
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...
A goniophotometer is a device used to determine the amount of light emitted by an item at various angles. The usage of goniophotometers has increased in...
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...
On 5th , December, 2019, the European Commission officially announced the new ErP Regulation (EU) 2019/2020 and Energy Efficiency Labelling Regulation (EU) 2019/2015 for lighting products, which...
LISUN engineers always paying attention to the update of various standards to ensure that LISUN products meet the latest standard requirements. The European Commission formulated the...
The ERP directive EC 244/2009, EC 245/2009, EU 1194/2012 and the energy efficiency labeling directive EU 874/2012 have been implemented for many years. The European Union...
At present, ErP has issued new regulations (ErP Regulations (EU) 2019/2020 for Lighting Products and Energy Efficiency Labelling Regulations (EU) 2019/2015) on 5th December, 2019. The...
The ErP directives EC 244/2009, EC 245/2009, EU 1194/2012 and the energy efficiency labeling directive EU 874/2012 have been implemented for many years. The EU has...
The full name of CIE 177_2007 is Color Rendering of White LED Light Sources. It was prepared by CIE Technical Committee 1-62 of Division 1 “Vision...
1. Introduction of flicker parameter Flicker (light source flicker) means that the light output of the lighting source fluctuates with a certain frequency. At present, the...
LED flicker, that is, the LED liquid crystal display screen flickers. The LED liquid crystal display has a backlight strobe in low-brightness mode, similar to the...
The LM-79 is the North American Lighting Association’s standard for test methods for LED products. The LM-79 is an electrical and photometric method for solid state...
On 5th, December, 2019, the European Commission officially announced the new ErP Regulation (EU) 2019/2020 and Energy Efficiency Labelling Regulation (EU) 2019/2015 for lighting products, which will...
IESNA Illuminating Engineering Society of North America and ANSI American National Standards Institute jointly issued ANSI/IES LM-80-15 IES Approved Method On June 26, 2015: Measuring Luminous...
LISUN will irregularly update the software of LSG-1800BCCD/LSG-1700BCCD/LSG-5000CCD. However, since each spectroradiometer in the system has its own independent hardware data file, we need to back...
LED lamp aging test standards: Generally speaking, as a green energy-saving LED lamp, if the performance test is reduced before use, there will be a certain...
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...
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...
Almost all types of lamps is easy to flicker, including incandescent lamps, halogen lamps, and even LED bulbs. But the effect of each light is different....
In recent years, the LED market has been expanding, which is attributed to the unique characteristics of LED solid-state lighting products, such as good luminous efficiency,...
The full name of EN13032-1 is Light and lighting Measurement and Presentation of photometric data of lamps and luminaires. It is edited by CEN in 2004....
LM-79-19 English Version Free Download: Click Here LM-79-19 Spanish Version Free Download: Click Here LM-79-19 Chinese Version Free Download: Click Here ANSI (American National Standards Institute)...
LM-79-19 English Version Free Download: Click Here LM-79-19 Spanish Version Free Download: Click Here LM-79-19 Chinese Version Free Download: Click Here This article tries to make...
Fair: LED Expo New Delhi Date: 2019/11/14-2019/11/16 City: New Delhi Exhibition Hall: India Expo Centre, Great Noida, India Organizers: messe frankfurt Booth of LISUN: L45 Here...
Fair: HKTDC Hong Kong International Lighting Fair 2019 (Autumn Edition) Date: 2019/10/27-2019/10/30 City: Hong Kong Exhibition Hall: Hong Kong Convention and Exhibition Centre Organizers: Hong Kong...
Fair: LED Expo New Delhi Date: 2019/11/14-2019/11/16 City: New Delhi Exhibition Hall: India Expo Centre, Great Noida, India Organizers: messe frankfurt Booth of LISUN: L45 LISUN...
Fair: HKTDC Hong Kong International Lighting Fair 2019 (Autumn Edition) Date: 2019/10/27-2019/10/30 City: Hong Kong Exhibition Hall: Hong Kong Convention and Exhibition Centre Organizers: Hong Kong...
Recently Saudi Arabia released new LED standard SASO 2902 for energy efficiency, functionality and labeling requirements for Lighting products. We have got the SASO 2902 in 2017 which is draft...
If you need to disable the 64bit digital signature enforcement of the computer, follow the steps: For Win 7 system There are two ways and you...
LISUN 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...
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...
LED has the features of long time. According to different power drivers and use conditions, the life of LED can be up to 50,000 hours or...
According to the requirements of the LM-79 optical testing standards applicable to the widest range in the world, although there are many photometric measurements for light...
Due to the LED solid-state lighting products have good luminous efficiency, long life and high reliability unique characteristics, so it’s became more popular by markets and...
Energy Star certification (Energy Star certification) is a certification which can adapt to the requirements of the United States Energy Department. In addition to UL, FCC...
With 4.0 concepts emerged on the industry, the traditional mind of manufacturing is experiencing unprecedented impact, integration and upgrade of industrialization and information will be the...
In general, LED can be used for more than 50000 hours, and some manufacturers are promoting their LED to operate for about 100000 hours. The main...
In the first half of 2018, LISUN sold two Big Size Type C Goniophotometer: LSG-3000B Moving Detector Goniophotometer, one set of them has been shipped to...
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...
Use Integrating Sphere Spectroradiometer System to test color parameters for light source and luminaries and use Goniophotometer System to test luminous intensity, which is the measurement...
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...
“Bright blind” in life is an exaggerated description of some impact incidents, but if it is used for the LED lighting industry, then it is the...
Many customers need aging LED lamps, but do not have a clear concept of aging test and life test. Aging test usually use aging test racks....
On January 31, 2018, Lighting Poland 2018 arrived on schedule. LISUN has already prepared well for this exhibition. Our booth address is Hall 4 Booth C25...
Spectrum is the relative distribution of wavelength and light intensity. The spectrum of LED is generally monochromatic LED, such as blue LED with a peak wavelength...
LED Expo Delhi is a 3 day event being held from 30 November to the 2 December 2017 at the Pragati Maidan in New Delhi, India....
In order to meet the demands of the lighting market for handle spectrometer, Lisun launches LMS-6000 Portable CCD Spectrometer recently. Compare with Lisun CHROMA-2 Pocket Chroma Meter, LMS-6000...
Interlight Moscow is held from November 7 to 10, 2017, Interlight Moscow is not only the biggest show in Russia and Eastern Europe covering the whole...
Thailand International Lighting Fair is the most influential international professional lighting fair in Thailand. Fair Dates: 16-18 November 2017 Fair Venue: Bangkok International Trade & Exhibition...
Interlight Moscow powered by Light + Building is the only trade fair in Russia and the CIS covering the whole range of products relating to above stated...
The Hong Kong International Lighting Fair has become the largest industry exhibition in Asia, and the second largest in the world. LISUN participates this exhibition every...
The Istanbul Lighting Exhibition is the only professional LED application exhibition in Turkey, where all the players in the lighting industry come together under a same...
HKTDC Hong Kong International Lighting Fair (Autumn Edition) 2017, organized by the Hong Kong Trade Development Council at the Hong Kong Convention and Exhibition Centre (HKCEC)...
For lighting purpose, the luminaries playing a important role. A good lighting design is achieved by the choice of appropriate luminaires. The nature of the light...
Istanbul Light is an international platform, where all the players in the lighting industry come together under a same roof and where the latest technologies and...
In September and October 2013, Chairman Xi put forward a major initiative of building “The Silk Road Economic Belt” and “The 21st Century Maritime Silk Road” (referred to...
There is a wide range of goniophotometers on sale in the market, including central rotation type, rotation mirror type, double mirror type and so on. How to choose...
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...
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...
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...
LED street lights become more and more popular in recent years, but a few days ago, the American Medical Association (AMA) just issued an official statement,...
According to IESNA-LM-79 standard, Goniophotometer is used for light intensity distribution and flux test. Accordingly, Lisun Group is goniophotometer manufacture introduced several different types Goniophotometer, the...
India lighting market develops rapidly, research reports point that LED lighting market scale will reach 1.14 billion dollars, growth 47.1%. India government intends to make India...
IESNA-LM-80 (Measuring Lumen Maintenance of LED Light sources) is an approved method by Lighting Engineering Association of North America (IESNA) for the third generation SSL products;...
IESNA-LM-79 (Electrical and Photometric Measurements of Solid-State Lighting Products) is a standard made by Illuminating Engineering Society of North America; this standard put forward the measurement...
The lighting industry practitioners must be familiar with IES file. Firstly introduce IES, IES is short for Illuminating Engineering Society of North America. I.E.S is founded...
LED has the features of long life, but with the different working condition and drive current, its life will be different, but generally the life will...
LED is short for light emitting diode. It is one kind of semiconductor diodes, which can convert electrical energy into energy. With the technology development, LED...
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...
The ballast (resistor ballast) is a device for limiting the flow of sunlight and generating instantaneous high pressure. Following is some difference between the electronic ballast...
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...
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...
Electrical Ballast is one kind of the ballasts; it is the electronic equipment which adopts electronic technology to drive the electrical light source to produce light....
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...
USA Environmental Protection Agency(EPA) and Department of Energy(DOE) successively released Energy Star and Lighting Facts Standards for LED Luminaires/Bulb from 2010, which makes relevant industry persons...
As in previous year, Lisun and its instruments appeared at booth ED-A01 of Hong Kong International Lighting Fair (Autumn Edition) during 27th October to 30th October....
Light object by the lighting source and standard source(Generally, sunlight is as the standard source), the degree consistent with color is the color fidelity degree, represented...
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...
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...
Goniophotometer is mainly used for measuring photometric characteristics of luminaries and light source; that is luminaries laser photometric and colorimetric value distribution in different spatial directions....
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 &...
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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