The Main Differences Between Lighting test Standard CISPR 15: 2018 and 2013 Versions
  • 03 Dec, 2019

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

The latest version of the international standard for lighting equipment CISPR 15: 2018 has been released on February 16, 2018. Compared with the old version CISPR 15 : 2013+A1: 2015, the major changes are as follows: Removed the insertion loss test requirements and the original related Appendix A; Table4, Table5, Table6 add conduction interference limit table requirements for power ports for ELV ...

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LISUN 2019 LED Expo New Delhi Successfully Concluded
  • 26 Nov, 2019

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
  • 22 Nov, 2019

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
  • 25 Oct, 2019

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
  • 22 Oct, 2019

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
  • 26 Jun, 2019

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?
  • 28 May, 2019

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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The Methods and Principles for LED Lighting EFT Immunity Measurement
  • 20 May, 2019

The Methods and Principles for LED Lighting EFT Immunity Measurement

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 interference is common mode, in the experimental setup figure of the standard, we can see the signal cable which is from the test generator can connect with corresponding power lines (L1, L2, L3 , N and PE) through the selectable coupling capacitor, a...

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Contents and Meanings of EMC Test According to International Standards
  • 10 Mar, 2019

Contents and Meanings of EMC Test According to International Standards

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 to anything in the environment. Sensor electromagnetic compatibility refers to the adaptability of the sensor in the electromagnetic environment, maintaining its inherent performance and the ability to perform ...

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