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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EN 61547: 2009 is a standard established by the International Electrotechnical Commission (IEC) that applies to the electromagnetic compatibility (EMC) requirements for general lighting equipment. This standard specifies the immunity that lighting equipment must have in electromagnetic environments to ensure proper functioning under various electromagnetic interference conditions.
LISUN supplies the fully test solutions for the following EN 61547: 2009, please see the below excel table:
| EN 61547: 2009 Equipment for general lighting purposes – EMC immunity requirements | LISUN Model |
| Clause 4 Change of Luminous Intensity | LSG-1890B |
| Clause 5.2 Electrostatic Discharges | ESD61000-2 |
| Clause 5.3 Radio-frequency electromagnetic fields | GTEM-2 |
| Clause 5.4 Power frequency magnetic fields | PFM61000-8A |
| Clause 5.5 Fast transients | EFT61000-4 |
| Clause 5.6 Injected currents (radio-frequency common mode) | RFCI61000-6 |
| Clause 5.7 Surges | SG61000-5 |
| Clause 5.8 Voltage dips and short interruptions | CSS61000-11 |
| Clause 7 Conditions during testing | LPCE-2 (LMS-9000) |
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 household and appliance switch testing solutions meet IEC 60669, IEC 61058, IEC 62271 standards. Covering electrical, mechanical & EMC tests for global compliance.
LISUN’s automotive electronics test solutions cover photometric/colorimetric testing, EMC immunity tests, IP waterproof/dustproof tests, and environmental simulation, meeting ISO, SAE, ECE standards.
LISUN’s cable and wire test solutions meet IEC 60245-1, IEC 60227-1, IEC 60502-1 and IEC 60189 standards, covering electrical, mechanical, and safety tests for global compliance.
LISUN has all equipment according to the IEC60669 measurement, including environmental chamber, IP code waterproof dustproof test, switch lift test, etc.
Lisun 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: 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: The surge voltage test generator is key equipment for EMC immunity testing, mainly used to simulate transient strong interferences such as lightning induced surges and...
Abstract: The burst generator is a high-precision device specially designed for electromagnetic compatibility (EMC) immunity testing. Its core function is to simulate high-frequency burst interference that...
Abstract Electrostatic discharge (ESD) is a critical interference source affecting the electromagnetic compatibility of electrical and electronic equipment. The operational stability of equipment under electrostatic interference...
Abstract: The EFT pulse generator is a high-precision device specially designed for Electromagnetic Compatibility (EMC) immunity tests. Its core function is to simulate high-frequency transient burst...
Abstract: The EFT pulse generator is a high-precision instrument specially designed for electromagnetic compatibility (EMC) immunity testing. Its core function is to simulate high-frequency fast transient...
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 lightning surge simulator is a key instrument in the field of EMC testing for evaluating equipment immunity against surge interference, and its performance directly...
Abstract: The burst tester is a high-precision device core to the field of electromagnetic compatibility (EMC) immunity testing. Its core value is to simulate high-frequency burst...
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 Electrostatic discharge (ESD) is a common electromagnetic interference source during the production, transportation, and operation of electrical and electronic equipment, which may easily cause performance...
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 Transient overvoltages and overcurrents caused by lightning strikes and grid switching operations are critical factors threatening the reliability of electrical and electronic equipment. The impulse...
A recurrent surge generator is a device meant to repeat that pulses of a standardized surge consistently over sustained periods in order to test how the...
The surge tester is usually considered based on the maximum voltage but even this end of measurement alone does not say much about the actual performance...
A lighting surge generator has characteristics that are intended to replicate high power transient overvoltage’s that take place as a result of lightning hits and extreme...
Impulse voltage generator is one of the basic instruments used to test the insulation strength of high voltage equipment with transient conditions. In contrast to steady...
The surge tester manufacturers are in a highly controlled technical arena that the equipment meets various international standards related to EMC at the same time. IEC...
A surge tester is characterized not just by the voltage it is capable of reaching but also by its ability to duplicate standardized transient waveforms when...
Abstract Electrostatic discharge (ESD) is a common electromagnetic interference source during the operation of electrical and electronic equipment, which may easily cause abnormal performance, functional failure,...
An EM Test surge generator is special equipment which replicates the high-energy transient overvoltage’s a product is likely to experience in the field enabling engineers to...
The devices of electricity and electronic equipment which are attached to power and signal line are prone to the transient overvoltage occurrence as a result of...
Electronic equipment installed into real-world conditions is often vulnerable to transient overvoltage conditions due to lightning strikes, switching of power grids, interrupting inductive loads, and electrostatically...
Electrostatic discharge happens to be one of the most frequently acquired but poorly understood threats to the electronic equipment. The ESD test is conducted as per...
Electrostatic discharge is also one of the most hazardous and destructive dangers to present-day electronic circuits. With the shrinkage, quicker, more complexified devices, even the slightest...
The contemporary electronic equipment should be usable in the conditions when electric problems cannot be avoided. Any activities involving switching of power, lightning-induced transients, relay activities...
One of the most unpredictable failures in the modern electronics is the electrostatic discharge. The smaller, faster and denser the device, the lower the components capability...
The modern power distribution networks have been based on the use of protective devices that do not fail when responding to sudden changes in electricity. The...
The validation of electrostatic discharge has now become a compulsory step to most of the electronic products, industry assemblies, smart appliances, battery run modules as well...
One of the most expensive and disruptive faults that have occurred in electrical systems is the insulation failure. Regardless of the application and the utility transformers,...
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...
One of the most common tools of immunity testing is an ESD generator, which is necessary to test the achievable robustness of electronic products related to...
One of the most frequently occurring reasons of failure in contemporary electronic systems is Electrostatic discharge and to effectively provide tests, proper calibration of an ESD...
Lighting products are more complicated than ever due to the fast-growing use of LED lighting, intelligent luminaires, and sophisticated control systems. Such systems contain microcontrollers, drivers,...
Abstract In the increasingly complex electromagnetic environment of electronic and electrical equipment, Electromagnetic Compatibility (EMC) performance has become a key indicator for measuring equipment reliability. Burst...
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 Driven by digital and intelligent technologies, electrical and electronic equipment is developing rapidly towards high integration and low power consumption, and its sensitivity to electrostatic...
Abstract In the fields of lighting engineering design, luminaire research and development, and quality control, the spatial distribution characteristics of luminaire optical performance are the core...
Abstract In fields such as electrical and electronic products, new energy, and communications, lightning surge interference faced by equipment is a key factor leading to product...
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 actual operating environment of electrical and electronic equipment, high-energy transient interference caused by natural lightning induction and large-capacity inductive-capacitive load switching poses a...
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 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 With the increasing complexity of electrical and electronic systems, the reliability of power supply lines and internal connecting cables under transient interference has become a...
Abstract: This paper focuses on the EMC EFT immunity tester, especially the LISUN EFT61000 – 4 EFT Immunity Measurement product. It elaborates on the principles of...
Abstract Electrostatic discharge (ESD) generated by human bodies or between objects poses significant risks to electrical and electronic equipment, potentially causing malfunctions or permanent damage. To...
Introduction In modern electrical and electronic systems, transient overvoltages, commonly known as surges, pose a significant threat due to their potential to cause catastrophic equipment failure...
Introduction In today’s world, where electronic products are ubiquitous, the impact of electrostatic discharge (ESD) on device performance and reliability cannot be overlooked. ESD simulator guns...
Introduction Electrostatic Discharge (ESD) is a phenomenon that occurs when two objects with different electrostatic potentials come into contact, causing a rapid transfer of electric charge....
Abstract Electromagnetic Compatibility (EMC) testing plays a pivotal role in ensuring that electronic devices operate reliably within their intended electromagnetic environment without causing or being affected...
Abstract With the rapid advancement of power electronics technology, electric motors have become indispensable components across various industries including manufacturing, transportation, and household appliances. However, during...
Introduction In the realm of electronic testing and debugging, impulse generators serve as a critical tool widely used across signal generation, timing analysis, device testing, and...
Abstract In modern electronic design and compliance testing, immunity to electrical fast transients (EFT) is a critical performance indicator. The eft test generator serves as a...
Abstract The RF conducted immunity test system is a crucial tool for assessing the immunity to conducted disturbances in various electronic devices. This paper provides a...
Abstract In the rapidly advancing field of electronic product development, electromagnetic compatibility (EMC) has become an essential concern. One of the critical tests in ensuring that...
Abstract As the complexity of electronic devices continues to increase, ensuring electromagnetic compatibility (EMC) becomes essential to guarantee operational reliability. One critical component of EMC compliance...
Abstract Lightning surges pose a significant threat to electronic devices, making them a crucial topic in electromagnetic compatibility (EMC) research. The IEC 61000-4-5 surge tester provides...
Abstract In the field of electromagnetic compatibility (EMC), ensuring that electronic devices can withstand electrical fast transients (EFT) is a critical aspect of product testing. EFT...
Abstract Electrostatic discharge (ESD) can cause significant disruptions and damage to electronic equipment, making it essential to assess and fortify devices against such events. Electrostatic discharge...
Introduction In today’s industrial landscape, ensuring the resilience of electronic devices against power disturbances is paramount. These disturbances, including voltage dips and short-term interruptions, can lead...
Introduction The RF Conducted Immunity Test System is an essential component in the field of electromagnetic compatibility (EMC) testing, specifically designed to evaluate the immunity of...
Abstract Electrostatic discharge (ESD) is one of the most common sources of electrical interference in modern electronic devices. To ensure product reliability and compliance with industry...
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,...
Introduction Surge immunity testing is a critical evaluation process in the development of electrical and electronic devices. It ensures the reliability and durability of devices against...
Abstract: This paper focuses on the electromagnetic compatibility (EMC) testing of power cords and internal connectors in the context of high energy transient interference caused by...
Abstract Electrostatic Discharge (ESD) is a critical concern for the reliability and durability of electrical and electronic equipment. The ESD testing gun is an essential tool...
Introduction to EFT Immunity Measurement Electromagnetic Compatibility (EMC) is a crucial factor in the design and operation of electrical and electronic equipment. One of the significant...
Introduction In today’s rapidly evolving electrical and electronic systems, ensuring the resilience of devices against voltage dips and interruptions is critical. Voltage dips and interruptions are...
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...
In modern electrical and electronic systems, the ability to withstand high-energy transient disturbances caused by natural lightning strikes or large inductive/capacitive load switching is critical. The...
Abstract Electromagnetic Compatibility (EMC) testing is a crucial part of ensuring that electrical and electronic devices perform well in their intended environments without causing or being...
Abstract A surge voltage generator is a critical tool in evaluating the immunity of various devices to high-energy transient disturbances caused by natural lightning-induced surges or...
Abstract Impulse surge generators play a critical role in ensuring the safety and reliability of electronic and electrical systems. This article explores the LISUN SG61000-5 Surge...
Abstract Surge testing, particularly in the context of lightning strikes and power-line surges, is a critical aspect of ensuring the reliability and durability of electrical and...
Abstract Electrostatic Discharge (ESD) poses a significant threat to sensitive electrical and electronic equipment, as unexpected discharges can lead to malfunction or irreversible damage. Electrostatic discharge...
Introduction Electrostatic discharge (ESD) is a critical factor in the design and testing of electronic equipment. The ESD test gun, a vital tool in the field...
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...
Introduction Electrostatic discharge (ESD) is a critical factor affecting the performance and reliability of electrical and electronic devices. To ensure that devices can withstand ESD events,...
Introduction Surge protection testing is a crucial aspect of ensuring the reliability and safety of electrical and electronic devices, especially in environments prone to lightning strikes...
Introduction Electrostatic discharge (ESD) is a critical concern in modern electronics and industrial equipment. ESD testing ensures that products are resilient to electrostatic interference, which can...
Electromagnetic compatibility (EMC) testing plays a crucial role in ensuring the safety and reliability of electronic devices. The EFT (Electrical Fast Transient) test is a vital...
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....
Abstract Electrostatic Discharge (ESD) is a significant threat to the reliability of electronic and electrical devices. The electrostatic discharge tester, particularly the LISUN ESD61000-2 ESD Simulator...
Introduction In modern electrical and electronic systems, ensuring robustness against voltage surges, especially those caused by lightning strikes or switching operations, is crucial. The LISUN SG61000-5...
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...
As technology advances and electronic devices become more ubiquitous, the impact of lightning surges on electronic equipment is garnering increasing attention. Lightning surges, which refer to...
Electrostatic Discharge (ESD) Immunity Testing Electrostatic discharge (ESD) immunity testing is a crucial aspect of electromagnetic compatibility testing. The national standard for ESD immunity testing is...
With the widespread use of electronic devices, electromagnetic interference (EMI) issues have become increasingly prominent. As a result, electromagnetic compatibility (EMC) testing has gained significant attention...
A surge, also known as a transient voltage or spike, refers to the phenomenon of voltage exceeding the normal operating voltage for a brief moment. Essentially,...
An Electrostatic Discharge (ESD) generator is a testing device designed to simulate electrostatic discharge events. They play a crucial role in electronic device testing, aiding engineers...
An electrostatic discharge generator is a device used to simulate and test the tolerance of electronic devices and systems to electrostatic discharge (ESD) environments. By simulating...
The electrostatic discharge generator is a specialized device utilized to simulate and assess the resilience of electronic devices under electrostatic discharge (ESD) and similar electrostatically related...
What is Electrostatic Discharge (ESD)? Electrostatic Discharge (ESD) is one of the common sources of interference in electronic devices. According to the national standard GB/T17626.2 (equivalent...
I. Introduction of Surge Generator Surge generators are important equipment in electrical systems. Their main function is to simulate high-voltage pulses or instantaneous voltage fluctuations to...
This article briefly explores the causes and consequences of ESD and EMI in mobile audio systems. It then discusses the use of ESD suppressors and EMI...
Introduction Surges, also known as sudden voltage spikes, pose a significant threat to electrical systems because they have the potential to inflict damage to sensitive gear...
According to the working principle of the simulated surge generator used in electromagnetic compatibility tests and lightning surge generator test, combined with the commonly used 8/20...
I. Introduction EFT Immunity Measurement is an interference simulation generator for electronic products and is an instrument for the quick transient burst pulse anti-interference test, as...
I. Standard for Surge Generator of Electronic Devices The national standard for electro-equipment surge generator is GB/T17626.5 (equivalent to international standard IEC61000-4-5). Surge Generator SG61000 5...
Lightning and surges are common problems in power systems, especially in high-voltage power equipment. To protect equipment from the impact of lightning and surges, we need...
The electrostatic discharge generator is a device used to generate a high-intensity electrostatic field and induce electrostatic discharge phenomena. Electrostatic discharge is a process of charge...
Static Discharge Gun, is also known as ESD Simulation.With the continuous development of automotive electronic technology, the impact of electrostatic discharge on automotive electronic devices 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...
Introduction Data centers house many servers, networking devices, and crucial data storage systems, and are therefore essential to the current IT architecture. Access to digital services...
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: Despite the widespread belief that electrostatic discharge or ESD guns are exclusively useful for testing electronics, this is not the case. Electrostatic discharge (ESD) guns...
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...
Recently, the Saudi Standards, Metrology and Quality Organization (SASO) updated its regulations concerning energy efficiency applications and the regulations will be officially implemented on 30th June,...
On 23th, March, 2023, the U.S. Environmental Protection Agency (EPA) released the latest Energy Star Embedded Luminaire V1.0 Specification, intended to replace the existing Energy Star...
Electrostatic discharge (ESD) is a quick (nanosecond) physical discharge of static electricity to electronic components and parts. This discharge should be considered as a type of...
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...
The static electricity generated by the human body to an object or between two objects may cause the circuit of electrical and electronic equipment to malfunction...
Introduction The need for a robust charging infrastructure is of critical importance as the number of people driving electric cars (EVs) increases. Charging stations for EVs...
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...
The burst generator is also called burst tester, is a kind of EMI filter, and its name comes from the “Electrical Fast Transient/burst” (abbreviated as EFT)...
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: Internet of Things (IoT) gadgets have altered many different industries by connecting previously separate items, making it possible to share data, and introducing novel possibilities...
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 Electronics and electrical systems have become more important in the contemporary automobile industry. The components, including the engine control unit, the infotainment system, the safety...
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...
LISUN EFT61000-4 EFT immunity tester is specially designed according to the characteristics and requirements of EFT measurement and it is an ideal disturbance source of EMS...
Introduction Because of their low operating costs and positive effects on the environment, renewable energy sources like solar and wind power have become more popular in...
What is RF Immunity Test: RF Conducted Immunity Testing is a common electromagnetic compatibility testing method used to evaluate the immunity of equipment to disturbances from the...
Introduction The use of high precision spectroradiometer integrating sphere systems has had a significant and positive influence on both the science of colorimetry as well as...
Introduction The reliable operation of medical equipment in healthcare facilities is critical to ensuring both the high standard of care that is provided to patients and...
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 In industrial settings, the reliability of the equipment and technology plays a significant role in the maintenance of production as well as the reduction of...
Introduction Utilizing high precision spectroradiometer integrating spheres has resulted in significant improvements to the spectrum measuring and analysis processes used in a wide variety of industries....
What is the Electric Discharge? This should be the main culprit that causes all electronic components or integrated circuit systems to cause excessive electrical stability damage....
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 widespread damage and disruption that lightning strikes may cause to infrastructure and equipment makes them a serious risk. By modeling and evaluating surge events...
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...
The electrostatic discharge generator is a device used to generate a high-intensity electrostatic field and induce electrostatic discharge phenomena. Electrostatic discharge is a process of charge...
Electrostatic discharge (ESD) is a common phenomenon that occurs when two objects with different electrical potentials come into contact or are separated. The discharge can cause...
Introduction Connectivity and data transmission over great distances are made possible through telecommunication networks, which form the backbone of today’s communication systems. Maintaining these networks dependably...
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...
The electrostatic discharge generator is a device used to generate a high-intensity electrostatic field and induce electrostatic discharge phenomena. Electrostatic discharge is a process of charge...
Surge Impulse Generators are devices specifically designed to simulate lightning strikes and are widely used in testing and research of electrical equipment. They are capable of...
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...
With the development of power system, lightning surge has become increasingly important on the influence of power equipment and power system. Lightning surge is a transient...
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...
With the rapid development of electronic products, how to ensure the strength of electronic components is not only valued by manufacturers and consumers, but also increasingly...
What is a surge tester: A surge tester is a device that produces high voltage and high current transient pulses to simulate a lightning strike and...
Introduction It is necessary to have electromagnetic compatibility (EMC) in order for electronic equipment and systems to perform in a reliable manner and free from interference....
In recent years, with the growing energy crisis and the increasing awareness of environmental protection, LED bulbs have become a popular choice as energy-efficient lighting products....
Introduction Accurate spectrum measurements and the characterisation of light sources and materials rely heavily on the use of high precision spectroradiometer integrating spheres. Integrating spheres rely...
Introduction: Electrostatic discharge (ESD) guns are high-tech instruments for performing electrostatic discharge (ESD) testing to determine the reliability and durability of electronic components and systems. Their...
Introduction Electrical systems play a crucial part in preventing fires, which is why they are of utmost importance in buildings. The danger of electrical fires may...
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: When testing electronic components and systems for performance and reliability, electrostatic discharge (ESD) guns are necessary. While the ESD gun is the primary tool, there...
Introduction In order to guarantee the dependability, safety, and performance of surge generators, it is essential that they correspond to international standards in the field of...
1. Test standards for electronic equipment lightning waves The national standard of the lightning waves of electronic equipment is GB/T17626.5 (equivalent to international standard IEC61000-4-5). The...
Introduction Accurate spectrum measurements and the characterization of light sources and materials are often performed using high precision spectroradiometer integrating sphere systems. Consistent lighting is an...
An integrating sphere collects electromagnetic radiation from a source usually external to the optical device, usually for flux measurement or optical attenuation. Radiation introduced into an...
Introduction: To measure the efficiency and durability of electronic parts and systems, electrostatic discharge (ESD) testing relies heavily on ESD guns. Understanding and following suitable calibration...
Introduction Electronic devices in today’s high-tech world can’t function at their best without consistent, clean electricity. However, power quality may be negatively impacted by electrical disturbances...
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: When evaluating electronic components for performance and reliability, electrostatic discharge (ESD) guns are necessary. Keeping your ESD gun in tip-top shape is essential for getting...
The static electricity generator is a generator for giving static electricity to objects. When used, it is required to be grounded to the ground, otherwise it...
The terms electromagnetic compatibility (EMC) and electromagnetic interference are often used interchangeably when talking about the testing of commercial electronic goods and products. Because the two...
I. Overview of the Development of Integrating Sphere Spectrophotometer Analysis System In spite of the advantages of simplicity, reliability and stability of the measuring system of...
Introduction Scientific study, industrial applications, and new product development all need precise and dependable measurements of light sources. Detailed spectrum information is now readily available because...
Introduction: The use of electrostatic discharge or ESD guns has become standard practice for testing the reliability of electronic components and systems against ESD attacks. New...
In our lives, powerful currents are generated due to lightning strikes or sudden closing of large power station switches, which can cause great damage to our...
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...
I. Surge Test Equipment Standard The national standard for surge voltage tester is GB/T17626.5 (equivalent to the International Standard IEC61000-4-5). The standard mainly simulates various cases...
In the field of product development, electromagnetic compatibility (EMC) research has become increasingly important. Many engineering departments hope to have their own EMC testing environment. In...
Introduction To keep up with the rising electrical needs around the globe, power plants are essential. Power plants need to have sturdy mechanisms in place to...
I.Electric equipment’s reaction to lightning surge Most people are familiar with the existence of a lightning surge voltage test. It is mainly used to evaluate the...
In order to assess the electrostatic discharge (ESD) immunity of electronic devices and systems, GB/T17626.2-2006 is a newly released standard in China. The ESD test is...
EMC (electromagnetic compatibility) includes two parts: EM (electromagnetic sensitivity) and EMI (electromagnetic interference). Usually we call solving the EMC problem. In fact, it is to solve...
Introduction: In electrostatic discharge (ESD) testing, electrostatic discharge (ESD) guns are used to determine how vulnerable electronic components and systems are to ESD. Protecting both people...
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...
Lightning surge damage to electronic/power equipment has been a topic of concern around the world. In this regard, many electronics engineers have developed various lightning surge...
Introduction In the realm of electrical engineering, surge generators play a crucial role in simulating controlled surges and transient occurrences. These units have a number of...
What is a lightning surge simulator: Lightning surge simulator is a device that can generate high voltage and high current transient pulses, used to simulate lightning...
The esd generator gun is an important equipment in electromagnetic compatibility measurement and testing for electrostatic discharge immunity testing. You have encountered static electricity energy in...
Introduction The success of a mission, the efficiency of operations, and the safety of military personnel all depend on the dependability of sensitive electronic equipment. Military...
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...
ESD generator ESD61000-2 is specially designed for the characteristics and requirements of electrostatic immunity test. Its performance meets the latest IEC (International Electrotechnical Commission) standard IEC61000-4-2,...
Introduction: When conducting ESD testing to determine the reliability of electronic components and systems, electrostatic discharge (ESD) guns are necessary. Regular ESD gun calibration is necessary...
Introduction: The reliability of electronic components and systems against ESD occurrences is largely determined by the results of ESD testing. During testing, electrostatic discharge (ESD) guns...
Introduction Surge generators are very important in the field of electrical systems because they guarantee the steady and secure functioning of machinery and buildings. These gadgets...
What is a surge tester? Surge tester “is an advanced high-voltage power supply and measurement unit composed of programmable pulse sequences and advanced mode analysis software....
Introduction Risk assessment is very important in the field of electrical systems since it helps guarantee the dependability and resilience of essential infrastructure. Risk assessments cannot...
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: Testing for electrostatic discharge (ESD) is essential for guaranteeing the quality and functionality of electronic parts. However, engineers face a number of obstacles while conducting...
Introduction The capability of essential infrastructure to withstand damage during times of crisis is of paramount importance. During these times, electrical and electronic equipment are more...
Introduction Light source characterization is a common use for integrating spheres because of their adaptability. They allow for the precise measurement of a wide range of...
Introduction: Integrating sphere is a type of optical instrument that are used to measure the total amount of light emitted by a source. It is widely...
Introduction: Advances in ESD gun technology have been crucial in assuring the dependable functioning and safety of electronic equipment in an industry where electrostatic discharge (ESD)...
I.Electric equipment’s reaction to lightning surge Most people are familiar with the existence of a lightning surge generator. It is mainly used to evaluate the surge...
Introduction Voltage spikes, also known as transient overvoltages, pose a particular threat to electrical and electronic equipment because of their susceptibility to them. These sudden increases...
ESD is the abbreviation of Electrostatic discharge, which stands for electrostatic discharge. It refers to a sudden electric current between two objects with different electric potentials....
Lightning is a serious natural disaster, which can seriously endanger the normal operation of communication equipment, computer network systems, and power systems, causing direct and indirect...
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...
The origin of the EFT pulse generator： In industrial process measurement and control devices, when the inductive load is disconnected, a transient pulse group (string) of...
Introduction Electrostatic discharge (ESD) is a major threat to electronics, since it may cause malfunctions, lower dependability, and higher warranty costs. Electronic components must undergo rigorous...
With the rapid development of the global optoelectronic industry, LED TESTER is becoming more and more mature, and LED lamps are gradually replacing traditional lamps such...
Electrostatic discharge (ESD) is a common problem in the electronics industry. It occurs when two objects with different electrical potentials come into contact, causing a sudden...
Introduction Protection against voltage surges and transient disturbances is of critical relevance in today’s society, when electronic gadgets and sensitive equipment are widespread. There are two...
Introduction The protection that surge generators provide for sensitive electronic equipment against unexpected spikes in power is an incredibly vital function that these generators provide. These...
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 Testing for electromagnetic field immunity is crucial in the area of electrical and electronic device development. Engineers depend on cutting-edge testing gear to guarantee the...
Introduction: The need for reliable protection against electrostatic discharge (ESD) is growing as the pace of technological advancement continues to set new records. When electronic equipment...
Introduction: The outcomes of impulse voltage testing have a significant impact on the degree to which electrical components and insulation systems can maintain their authenticity and...
Electrostatic discharge (ESD) is a major issue in electronics production. This is because electrical components might be damaged beyond repair by electrostatic discharge (ESD). Electrostatic discharges...
“The LED is divided into upstream and downstream, which can be said to be a dragon. For new technology development, in the collation in the top...
Plant lighting fixtures are a type of lamps based on application objects. Its irradiation objects are plants, and they are expected to have an expected physiological...
In addition to the selection and circuit design of components, good printing circuit board (PCB) design is also a very important factor in electromagnetic compatibility. The...
LPCE-2 Integrating Sphere Spectroradiometer LED Testing System is for single LEDs and LED lighting products light measurement. LED’s quality should be tested by checking its photometric,...
With the development of electronic technology, household electrical products are becoming increasingly popular and electronic, and the increasingly developed radio, television, post and telecommunications and computer...
Introduction of Integrating Sphere: The integrating sphere is a hollow sphere. The shell is generally made of metal. The inside of the shell is coated with...
Introduction Surge generators have become an essential tool for testing and evaluating the efficacy of various surge protection technologies for electrical systems. To keep up with...
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 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...
What is surge immunity test? Lightning strike and switching operation of power distribution system will produce transient overvoltage, which will cause monopolar transient interference to electrical...
With the development of power systems, the impact of lightning surges on power equipment and power systems is becoming increasingly important. Lightning surges are transient high...
In the context of modern technological development, electrostatic discharge technology has been widely applied. As an important equipment for electrostatic discharge experiments, electrostatic discharge generators can...
Surges are a nightmare for any circuit designer and a very important aspect of electronics. These spikes are frequently referred to as “impulses,” which are high...
One of the electromagnetic compatibility tests is a continuously performed radiofrequency (RF) immunity test. This is done by RF conducted immunity test system. In the context...
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...
1. The mechanism of EFT Immunity Measurement and its impact on electronic products The EFT immunity tester is a transient disturbance generated at the disconnection due...
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...
An immunity test called EFT Immunity Measurement (EFT61000-4) is used to evaluate how well electrical and electronic equipment performs when subjected to interference. A device is...
What is the Surge Test? The surge (impact) immunity test is to simulate the effects of lightning strikes (indirect lightning) in nature and voltage changes caused...
What is EMC test: EMC refers to the ability of equipment or system to operate in accordance with the requirements in its electromagnetic environment without causing...
Testing purposes? GB/T 17626.5-2008 / IEC 6100-4-5:2005 standards specify the immunity requirements of equipment to unipolar surges (impacts) caused by switching and lightning transient overvoltages. The...
1. Countermeasures and rectification measures for common problems in ESD immunity testing 1.1 The mechanism of electrostatic discharge formation and its harm to electronic products Static...
Defining Voltage dip generator NEMA MG1-16.48 defines voltage dip as the greatest voltage difference from the rated generator output voltage. Inrush currents at motor start-up or...
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...
How is ESD static electricity generated? Due to external effects such as friction or in the form of various energies such as kinetic energy, potential energy,...
ESD simulator An ESD simulator, often known as an ESD gun, is a portable device that is used to evaluate the resistance of devices to electrostatic...
The SG61000-5 surge generator from LISUN offers a standard framework for assessing how well various equipment’s internal connections and power cords withstand high energy transient interference...
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...
Working Principle of Surge Generator SG 61000-5 The SG 61000-5 standard is based on immunity criteria. It defines the test techniques as well as the standard...
Why Is ESD Testing Important? Monitoring the efficiency of your tools is crucial while trying to maintain an Electrostatic Protected Area (EPA). The most recent ESD...
ESD testing, also known as electrostatic discharge testing, is crucial for many goods. The sudden exchange of electricity between electrically charged things is known as ESD....
Additionally known as the lightning surge immunity test, combination wave generator, surge current/surge voltage generator, and combined surge voltage and current generator, the LISUN SG61000-5 completely automatic...
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...
In any high voltage and electrical noise system, ESD immunity is an important aspect of EMC and a key consideration in the selection of current isolation...
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...
Electrostatic Discharge Electrostatic Discharge (ESD) is defined by the IEC as “a transfer of electric charge between bodies of varying electrostatic potential in proximity or through...
Lightning is a kind of discharge phenomenon between thunder clouds or between thunder clouds and the earth in nature It is characterized by high voltage, large...
IEC 61000-4-2 compliance test standard for electrostatic discharge immunity has voltage levels of 2,000 to 15,000 Volts. The electrostatic discharge simulators or “ESD Guns” produce voltage...
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...
An electrostatic discharge generator gun, or ESD stimulator gun , is an instrument widely used for ESD testing. Due to its portability and compact size, an...
Over voltages are a common source of damage in industrial electronic systems. It has been discovered as technology has advanced. Air discharges can also cause over...
ESD is a science formed since the mid-20th century to study the generation and attenuation of static electricity, electrostatic discharge model, electrostatic discharge effect and electromagnetic...
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...
After in-depth study on the three main forms of direct lightning strike, conducted lightning strike and induced lightning strike, people have established the theory of lightning...
The EFT61000-4 EFT immunity tester is specially designed according to the characteristics and requirements of EFT measurement and it is an ideal disturbance source of EMS...
ESD simulator guns (Electrostatic Discharge Generator/Electrostatic Gun/ESD Guns) is in full compliance with IEC 61000-4-2, EN61000-4-2, ISO10605, GB/T17626.2, GB/T17215.301 and GB/T17215.322. ESD61000-2_Electrostatic Discharge Simulator What is a ESD test? The...
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 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 voltage dip and interruptions generator is specially designed according to the characteristics and requirements of EMS measurement under a sudden reduction or interruption of the...
Electricity discharge may cause electronic products such as mobile phones, electronic products remote control, smart locks, smart LED lighting systems, etc., or e -components, IC chips,...
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...
ESD simulatorguns (Electrostatic Discharge Generator/Electrostatic Gun/ESD Guns) is in full compliance with IEC 61000-4-2, EN61000-4-2, ISO10605, GB/T17626.2, GB/T17215.301 and GB/T17215.322. In a dry environment, the human...
The SG61000-5 fully automatic surge generator (also called lightning surge immunity test, combination wave generator, surge current generator/surge voltage generator, combined surge voltage and current generator)...
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...
Meta Description: Surge generators are used for producing the high-voltage pulses, by charging the capacitors in parallel and discharging them in the series combination. This article...
The SG61000-5 fully automatic surge generator (also called lightning surge immunity test, combination wave generator, surge current generator/surge voltage generator, combined surge voltage and current generator)...
The safety of electronic devices is the most important part of the various elements that determine their quality. The safety parameters include the following parameters: AC/DC...
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...
Surge tests are considered critical because they are known best for finding turn-to-turn insulation weaknesses. These weaknesses begin at voltages above the operating voltage of the...
Goniophotometer Definition of a goniophotometer A goniophotometer is a piece of equipment that will generate an IOS file. An IOS file three-dimensional bubble of the light...
What is a Surge Generator? The SG61000-5 surge generator by LISUN provides a standard platform for testing the resistance of diverse equipment’s power cords and internal...
The determination of the luminous internsity distribution involves the use of a co-ordinate system in order to define the direction in which the intensity measurements are...
What is ESD Testing? A crackling sweater hair that sticks straight out from your head, a small electric shock from a door handle. We are more...
The ESD test is used to determine the durability of electronic devices when electrostatic discharge occurs when a person touches them. These tests can be conducted...
The photometric center of a lamp or luminaire is the reference point, from which the photometric distance law is applicable. This appendix lists two methods to...
Surges are a concern for every circuit developer since they are key problems in electronics. These surges are known as impulses. Impulses have the distinct characteristics...
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,...
What is goniophotometer definition? LISUN LSG-1890B/LSG-1800A goniophotometer is automatic goniophotometric instrument for luminous intensity distribution measurements with facility for rotating the light source. LISUN LSG-1890B/LSG-1800A uses...
What is a power surge? Power surges are abnormally high voltage spikes occurring on the AC power. Their short duration, high energy events indicate that they...
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...
ESD generator is made to test electrical and electronic equipment’s ability to tolerate ESD. Static charge generated by the human body to an object or between...
Meta Description Surge generators are important equipment for performing surge tests. We have written a detailed article on surge generators to ease your confusion. Combination wave/surge...
Surge generators are useful in running tests on electrical components of products and gadgets. the surge generator working principle helps understand how the device runs tests...
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...
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...
Hazards in industry: The generation of static electricity is inevitable in industrial production, and the hazards caused by it can be attributed to the following two...
Definition of light distribution curve: It refers to the light intensity distribution of light sources (or lamps) in all directions in space. On the metering plane...
Application of portable spectroradiometer in the Detection Direction of LED Lighting Fixtures Since the invention of LED lamps, their advantages such as high brightness, low power...
Light-emitting diodes are not just a simple turn-on and turn-off mechanism. In addition to simply emitting a white light, LEDs also have the ability to emit...
1. Differences in application areas ESD61000-2 Electrostatic discharge generator is fully compliant with IEC/EN 61000-4-2, GB/T 17626.2 standards and belongs to the category of electromagnetic compatibility....
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...
The lightning surge generator adopts semiconductor electronic switch technology, the waveform is smooth, the output is accurate, supports the judgment of the failure of the sample,...
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...
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,...
The static electricity generated by the human body to the object or between two objects may cause the electrical and electronic equipment circuits to malfunction or...
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...
The ESD test generator is mainly used to simulate the static electricity on the human body. The main function is to generate a certain amount of...
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...
How to do ESD test? Here are a few simple steps: 1. Air discharge/contact discharge a) First turn on the switch power b) Then enter the...
Combination waves generator or surges Generators are typically benchtop pieces of equipment that weigh a lot. Ground planes with links to the earth are needed for...
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,...
ESD tables are excellent if you restrict and regulate the quantity of electricity in a certain region. ESD means electrostatic discharge and is the consequence of...
The ESD simulator gun is mainly used to simulate the static electricity on the human body. The main function is to generate a certain amount of...
Lighting surge generator provides a common basis for evaluating the resistance of power cords and internal connectors of different equipment to high energy transient interference caused...
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...
Having a surge generator ensures you have enough electricity in case of emergencies or power disruptions. The issue develops when your generator stops working properly. Thankfully,...
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...
Many industries will need to do withstand voltage tests now, such as lamps, home appliances, electrical equipment, etc. Many customers don’t know exactly what kind of...
The full name of IEC 61000-4-5-2014 is ELECTROMAGNETIC COMPATIBILITY (EMC) –Part 4-5: Testing and measurement techniques Surge immunity test. This part of International Standard has been...
Electrical and radio-frequency disturbances occur during normal operation of many items of motor vehicle equipment. They are generated over a wide frequency range and can be...
According to the provisions of IESNA-LM-79-08, both the integrating sphere system and the goniophotometer can test the luminous flux and color parameters of SSL products. In...
LM-79-19 English Version Free Download: Click Here LM-79-19 Spanish Version Free Download: Click Here LM-79-19 Chinese Version Free Download: Click Here ANSI (American National Standards Institute)...
LM-79-19 English Version Free Download: Click Here LM-79-19 Spanish Version Free Download: Click Here LM-79-19 Chinese Version Free Download: Click Here This article tries to make...
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...
When doing IEC 61000-4-4 EFT immunity test, there are L1, L2, L3, N and PE interface. PE and earth are two different concepts. Electrical fast pulse...
Electromagnetic Compatibility EMC refers to the ability of a device or system to function properly in its electromagnetic environment and does not constitute an electromagnetic disturbance...
LISUN engineer went to Egypt in December 2018 to provide on-site installation & training services for customers there. During the period, we held a lighting testing...
LISUN engineer went to Iran in December 2018 to provide on-site installation & training services for customers there. And held Lighting Testing Technology Salon on 25th...
LISUN engineer went to Saudi in December 2018 to provide on-site installation & training services for customers there. During the period, we held a lighting testing...
In optical testing, the measurement of luminous flux and color temperature are essential. There are two test equipment for the measurement: Integrating Sphere Testing System and Goniophotometer. Here we...
The main parameters of LED lamps and lanterns include: A: Electric parameters: voltage, current, lamp power, power factor, harmonic, etc B: Colorimetric parameters: correlated color temperature,...
In recent years, the CE marks are more and more widely used in the market of European economic area (Member states of the European Union and...
LED package is mainly to provide a platform for LED chips, so that LED chips have better performance of light, electricity and heat. Good packaging can...
LISUN has participated in this India lighting exhibition for four years and has developed a large market in India. We will continue to participate in the...
According to the requirements of the LM-79 optical testing standards applicable to the widest range in the world, although there are many photometric measurements for light...
Energy Star certification (Energy Star certification) is a certification which can adapt to the requirements of the United States Energy Department. In addition to UL, FCC...
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...
This page is a brief introduction and description for conducted immunity testing which based on IEC 61000-4-4 fast transient burst test, IEC 61000-4-5 lightning surge test, IEC 61000-4-11 voltage...
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...
In China, cars are becoming more and more popular. With the development of automobile industry, automotive lights are also developing. Automobile lights have experienced Incandescent Light,...
The International Electrotechnical Commission (IEC) has published IEC 61000-4-5:2014, “Electromagnetic Compatibility (EMC) – Part 4-5: Testing and Measurement Techniques – Surge Immunity Test.” “IEC 61000-4-5:2014 relates to the...
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...
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....
Interlight Moscow is held from November 7 to 10, 2017, Interlight Moscow is not only the biggest show in Russia and Eastern Europe covering the whole...
Thailand International Lighting Fair is the most influential international professional lighting fair in Thailand. Fair Dates: 16-18 November 2017 Fair Venue: Bangkok International Trade & Exhibition...
Interlight Moscow powered by Light + Building is the only trade fair in Russia and the CIS covering the whole range of products relating to above stated...
The Hong Kong International Lighting Fair has become the largest industry exhibition in Asia, and the second largest in the world. LISUN participates this exhibition every...
The Istanbul Lighting Exhibition is the only professional LED application exhibition in Turkey, where all the players in the lighting industry come together under a same...
HKTDC Hong Kong International Lighting Fair (Autumn Edition) 2017, organized by the Hong Kong Trade Development Council at the Hong Kong Convention and Exhibition Centre (HKCEC)...
For lighting purpose, the luminaries playing a important role. A good lighting design is achieved by the choice of appropriate luminaires. The nature of the light...
Istanbul Light is an international platform, where all the players in the lighting industry come together under a same roof and where the latest technologies and...
In September and October 2013, Chairman Xi put forward a major initiative of building “The Silk Road Economic Belt” and “The 21st Century Maritime Silk Road” (referred to...
There is a wide range of goniophotometers on sale in the market, including central rotation type, rotation mirror type, double mirror type and so on. How to choose...
The International Electrotechnical Commission (IEC) has issued IEC 61000-4-2 Ed. 2.0 (2008-12) entitled “Electromagnetic compatibility (EMC) – Part 4-2: Testing and measurement techniques – Electrostatic discharge...
Intelligent Lighting is the distributed lighting control system by using internet of things technology, wired/wireless communication technology, power line carrier communication technology, and embedded computer intelligent...
With the widespread use of electrical and electronic equipment, the problem of electromagnetic disturbance has also brought electromagnetic pollution. EMC(Electro Magnetic Compatibility) refers to the ability...
Goniophotometer is mainly used to measure the light performance of luminaries and light source, it mainly could measure the light intensity distribution curve, light intensity data,...
Electrostatic discharge may occur from personnel to object or object to object, and it will cause the failure of electric and electronic devices. So, the test...
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...
LEDs and LED luminaires with high light efficiency, longer lifetime, better energy saving and environmental friendly advantages to achieve top position on the lighting industry, like...
EFT is short for Electrical Fast Transient, which refers that the burst has specific duration (defined as 15 ms) and specific pulse period, and the single...
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...
IEC 61000-4-5 is part of the IEC 61000 series, which describes surge immunity testing caused by over-voltages from switching and lightning transients. The second edition of...
Nowadays, with the development of LED industry, its technology continues to be mature and has widely applied at home and abroad. Comparing to mature markets in...
LED street lights become more and more popular in recent years, but a few days ago, the American Medical Association (AMA) just issued an official statement,...
According to IESNA-LM-79 standard, Goniophotometer is used for light intensity distribution and flux test. Accordingly, Lisun Group is goniophotometer manufacture introduced several different types Goniophotometer, the...
India lighting market develops rapidly, research reports point that LED lighting market scale will reach 1.14 billion dollars, growth 47.1%. India government intends to make India...
IESNA-LM-79 (Electrical and Photometric Measurements of Solid-State Lighting Products) is a standard made by Illuminating Engineering Society of North America; this standard put forward the measurement...
The lighting industry practitioners must be familiar with IES file. Firstly introduce IES, IES is short for Illuminating Engineering Society of North America. I.E.S is founded...
It is quite important for factories and users to prevent equipment from electrostatic discharge. With the wide application of microelectronic components, to improve the reliability of...
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...
Combination wave generator is a high reliability analog lightning surge wave generator designed for lightning production enterprises. It is suitable for Electromagnetic compatibility (EMC) – Surge...
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...
CE is a safety certified standard, and it is regarded as the passport to enter into European Market. From the date of Jan.2, 2013, all the...
Now, the led COB package, in fact, we can know that most of the COB package, including Japan COB packaging technology, they are based on the...
Lisun has a lab certer in Shanghai. Are you worry about the quality of LED that you purchase from China? From today, you can ask your...
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...
As well as we know that for the LED luminaires lumen test, the CIE121: 1996 Clause 6.1, CIE127-2007 Clause 6.2 and IES-LM-79-08 Clause 9.0 are mentioned...
It is the second time we have attended the fair, and it is a successful and wonderful fair. Lisun’s booth attracks numerous people’s visit.
During the exhibition, Lisun showed its main instruments which attracted many customers to stop and talk. Among them, there are not only many old customers hope...
Goniophotometer measures light intensity performance measurement of luminaries and light source, which is the photometry value in different directions in space and color distribution. Goniophotometer should...
As in previous year, Lisun and its instruments appeared at booth ED-A01 of Hong Kong International Lighting Fair (Autumn Edition) during 27th October to 30th October....
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...
Surge generator anti-interference measurement is based on the international standard IEC 61000-4-5. 1 Test objective The entire lightning stroke in the nature (namely the indirect thunder such...
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...
Lisun attended Hongkong Lighting Fair dated 27th October to October 30th 2012, during the exhibition, Lisun showed many high excellence testing equipments to visitors, like Goniophotometer,...
Fair: Hong Kong International Lighting Fair 2012 (Autumn Edition) Date: 2012/10/27-2012/10/30 City: Hong Kong Exhibition Hall: Hong Kong Convention and Exhibition Centre Organizers: Hong Kong Trade Development...
When you measure the photometric and chromaticity properties of optical system, it must be under the uniformly prescribed light source, the test result can be compared...
In order to expand its business, Lisun decides to move Lisun Electronics Shanghai to a new office. Lisun built a high level products show room &...
The U.S. Government issued her LED test standards IESNA-LM-79-08. This approved method is a guide developed for the measurement of Solid State Lighting (SSL) products such as LED...
Lisun updated the Spectrophotometer of LMS-5000 software. The new version software updated serval function to make the customer have a much experience. LMS-5000 is a high accuracy...
1.LED In addition to the semiconductor lasers, when the current motivates the semiconductor diodes can emit the optical radiation. Strictly speaking, the term LED should be...
Our manufactory will attend the Guangzhou International Lighting Exhibition on June 9th~12th, 2011 About LISUN: it is lead in CFL and LED test instruments, main products are EMC Test System,...
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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