
The Installation and Calibration of LMS-8000 Spectrophotometer
First Installation Open the computer and start the software of LMS-8000. Press the Power button to start LMS-8000 spectroradiometer. Install the Standard Lamp on the LED fixture, get it though the positive and negative metal, and put it into the Integrating Sphere. Second Calibration Key the number of Reference Voltage : 5.9V into Output Vol(V). […]

The Successful Export of LSG-2000 and LPCE-1 to Mexico
Before the first two weeks of the upcoming China National Day means a lot to Lisun Electronics Inc. In August 2011, CS Tech Mexico placed the order Goniophotometer with Rotating Mirror LSG-2000 and Spectrophotometer & Integrating Sphere Test System LPCE-1 equipment. CS Tech Mexico selected LSG-2000 and LPCE-1 after the customer deep understanding on the […]
Importance of LED Test Methods and the Standard of LED
In order to develop the LED lighting technology, developed countries have attached great importance to the test methods and the standard research of LED. For example the American National institute of Standards and Technology (NIST) organized the international well-known test experts to conduct the LED testing research and mainly studied LED lighting characteristics, temperature characteristic […]
Software Update for LMS-5000
LMS-5000 is a high accuracy and quick scan spectrophotometer, it worked with integrating sphere as a whole test system named LPCE-1 to test luminaires flux, color temperature, spectrum and other parameters. Lisun Group updated the Spectrophotometer of LMS-5000 software. The new version software updated serval function to make the customer have a much experience. Please send your request email to Lisun Group sales dept […]
The Development of Multi-chip LED Lamp
In recent years, the development of multi-chip LED lamp or LED lamp with more tube combination have grown very quickly. However there is no domestic and foreign testing method (LED test) which is specific to LED lamp. As a kind of lighting application product, it has the relevant measurement standard set by International Electrotechnical Commission […]
To Improve the Luminous Efficiency
To improve the luminous efficiency and the power of LED used for lighting is one of the key problems of the industrial development at present. At the same time, the and shell heat dissipation problems are particularly important. Generally we use the led thermal resistance , shell temperature and junction temperature to represent. At present, […]
LED Quality Evaluation
Semiconductor light emitting diode (LED) has many new problems in the aspect of quality evaluation and LED test method because of its characteristics such as small volume, directional light emission, high brightness, PN electrical characteristics and so on. Different applications determine the performance requirements of LED products. From the aspect of the optical proper including […]
Lisun Electronics Inc.
Lisun Electronics Inc is one of the best lighting test instruments manufacturers. Main products are spectrophotometer, goniophotometer, LED tester, integrating sphere, EMI testing, power supply, etc. Hot products are spectrophotometer, goniophotometer, led tester, etc. In 2003, Lisun Electronics Inc. was founded by Lisun Group. And we have sales, R&D and logistics service offices in Shanghai […]