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Advantages and disadvantages for total flux test of Integrating Sphere System and Goniophotometer

Advantages and disadvantages for total flux test of Integrating Sphere System and Goniophotometer According to IESNA-LM-79-80, the total luminous flux (lumen) of SSL products shall be measured with an integrating sphere system or a goniophotometer. The method may be chosen [...]

Goniophotometer System Standard Operating Procedures

Goniophotometer System Standard Operating Procedures 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, beam angle, total flux, luminaries efficiency, zonal luminaries flux, [...]

High and low temperature test

High and low temperature test In natural environment, temperature and humidity are two indivisible natural factors. Due to different geographical locations in different regions, the temperature and humidity effects generated are also different. This test is used to confirm the [...]

Moving Mirror Goniophotometer Introduction

Moving Mirror Goniophotometer Introduction Lisun LSG-2000 Moving Mirror Goniophotometer System adapts the solution of rotating mirror in the center, it is widely applied in road lamp, room lamp, spot lights, stage lights, Mining lamp, Automobile lamp, traffic signal lamp and [...]

LISUN Exhibition Notice: November 2017 Thailand International Lighting Fair

LISUN Exhibition Notice: November 2017 Thailand International Lighting Fair   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 Centre (BITEC) LISUN Booth Number: E45 and E47 Book [...]

LISUN Exhibition Notice: November 2017 Interlight Moscow

LISUN Exhibition Notice: November 2017 Interlight Moscow 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 areas. Every year Interlight Moscow powered by [...]

IEC 61000-4-2 ESD Discharge Immunity Test

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 immunity test.” This standard relates to the immunity requirements and test methods for electrical [...]

What is TM-30?

What is TM30? 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 individual measures and graphics that complement one another and provide a [...]

The Status of Integrating Sphere in China Market

IES LM-79-08 “Electrical and Photometric Measurement of Solid-State Lighting Products” as the exclusive international standard for measuring the total luminous flux, electrical power, luminous intensity distribution and correlated color temperature (CCT), color rendering index (CRI) and other colorimetric parameters [...]