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Interpretation of the latest American Energy Star IES LM-79-19 standard
2020-01-07 691

Interpretation of the latest American Energy Star IES LM-79-19 standard

Spanish version LM-79-19 download: ANSI/IES LM-79-19 Mediciones Fotométricas y Eléctricas de Productos de Iluminación de Estado Sólido (SSL) ANSI (American National Standards Institute) and IES(Illuminating Engineering Society of North America) officially released the latest version of the IES LM-79-19 standard in May 2019, it will replace the LM-79-08 version. LISUN interpreted the new standa...

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Comparative Evaluation between ANSI / IES Standards LM-79-19 and LM-79-08
2019-12-08 649

Comparative Evaluation between ANSI / IES Standards LM-79-19 and LM-79-08

Spanish version LM-79-19 download: ANSI/IES LM-79-19 Mediciones Fotométricas y Eléctricas de Productos de Iluminación de Estado Sólido (SSL) This article tries to make a comparative evaluation between ANSI/IES LM-79-19 Standard that has replaced ANSI/IES LM-79-08 that deals with the methods approved by ANSI/IES regarding performance, requirements technicians of photometric and electrical param...

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The Main Differences Between Lighting test Standard CISPR 15: 2018 and 2013 Versions
2019-12-03 1093

The Main Differences Between Lighting test Standard CISPR 15: 2018 and 2013 Versions

There are many customers feedback that their LED luminaires can’t pass CE Certificate EMI Radiation Test (30-300MHz) in 2019 year but it is the same one can be passed last year. Why this happen? The main reason is the new EMI test standard were updated to CISPR15:2018. The EMI Test is the most important and difficult to test for the LED luminaires. This article LISUN engineer will take us t...

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LISUN 2019 LED Expo New Delhi Successfully Concluded
2019-11-26 3796

LISUN 2019 LED Expo New Delhi Successfully Concluded

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 are some photos taken during the exhibition: LISUN 2019 LED Expo New Delhi Successfully Concluded LISUN 2019 LED Expo New Delhi Successfully Concluded LISUN 2019 LED Expo New Delhi Successfully Concluded LISUN is always dev...

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LISUN 2019 HKTDC Hong Kong International Lighting Fair (Autumn Edition) Successfully Concluded
2019-11-22 3845

LISUN 2019 HKTDC Hong Kong International Lighting Fair (Autumn Edition) Successfully Concluded

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 Trade Development Council Booth of LISUN: ED-A01 Here is a set of photos taken during the exhibition: LISUN 2019 HKTDC Hong Kong International Lighting Fair (Autumn Edition) Successfully Concluded LISUN...

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LISUN Will Attend 2019 LED Expo New Delhi 14th to 16th November
2019-10-25 1072

LISUN Will Attend 2019 LED Expo New Delhi 14th to 16th November

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 have more than 300 clients in India. Our engineers go to India at least 3 times one year doing installation and traing for India clients for free. And we also attend India LED expo every year. If you are in LED marketing, ...

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LISUN Will Attend 2019 HKTDC Hong Kong International Lighting Fair (Autumn Edition) 27th to 30th October
2019-10-22 1064

LISUN Will Attend 2019 HKTDC Hong Kong International Lighting Fair (Autumn Edition) 27th to 30th October

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 Trade Development Council Booth of LISUN: ED-A01 Hong Kong International Lighting Fair is held by Hong Kong Trade Development Council since 1999. The large numbers of buyers and exhibitors, as well as t...

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The LED Driver RMS Value Measurement and Analysis
2019-06-26 1116

The LED Driver RMS Value Measurement and Analysis

As we known the quality of LED lighting products depend on two points: One is LED chip(light source); Second is LED power driver. In the practice, there only have few company can provide qualified LED chip such as PHILIPS, OSRAM and CREE in the market. Generally, the LED chip have very small change to get quality problem, but we heard many news about low quality LED lighting products was found and...

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How do you choose integrating sphere if you test small size but high power HID lamp?
2019-05-28 1112

How do you choose integrating sphere if you test small size but high power HID lamp?

HID lamp is high intensity discharge lamp. High pressure sodium lamp, high pressure mercury lamp, xenon lamp, metal halide lamp are all belong to HID lamp. We generally use Integrating Sphere Spectroradiometer Test System to test the photometric, colorimetric and electrometric parameters. Generally we suggest the diameter size of Integrating Sphere according to the size of lamp under test. If yo...

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