Archives by date

You are browsing the site archives by date.

LISUN engineer visit New Zealand to install & train the LSG-1800BCCD Goniospectroradiometer

LISUN engineers continue to visit countries around the […]

IEC 61000-4-2 ESD Discharge Immunity Test

The International Electrotechnical Commission (IEC) has […]

Lisun New Product! – LED Aging Rack

Driver is the most important component of LED luminaire […]

How to choose Integrating Sphere to measuring different lamps

The Spectrometer & Integrating Sphere System or Pho […]

How to choose Goniophotometer

The definition of goniophotometer is for measuring ligh […]


Lisun engineer visited Bulgaria in the middle of MAY, 2 […]

Type A LED tube test

With LED development, the traditional fluorescent tubes […]

Glow wire test

Glow wire test is to test the stability of electrical a […]

LISUN engineer visit Peru to Install and Train the LSG-1800B Goniophotometer in May

LISUN engineer visited Peru customer in May, its really […]

Do you know IPX9K?

For IP grade test, we know the regular level IPX1~IPX8, […]