When you measure the photometric and chromaticity properties of optical system, it must be under the uniformly prescribed light source, the test result can be compared with each other. In order to unite the measurement standards, the International Commission on Illumination (CIE) provides the lighting body and standard illuminant. The definition of “illuminant” and “lighting body” by CIE s...
The U.S. Government issued her LED test standards IESNA-LM-79-08. This approved method is a guide developed for the measurement of Solid State Lighting (SSL) products such as LED Street Light, LED Flood Light, LED Down Light, LED Ceiling Light, LED Par Light, LED Tube, LED Module and so on. The most of LED fixtures manufactory use the Integrating Sphere to do the color and photo parameters ...
According to IEC60598 standards, the lighting fixtures must be passed the safety test on AC Voltage withstanding, Insulation resistance, Grounding resistance and Power/Function test. Lisun launch her Automatic Programmable Safety Tester LS9934 (including leakage current test, withstand voltage test, insulation resistance test, grounding resistance test and power test), the instrument is desig...
XRF Analyzers are a popular solution to test electronics and various product lines for RoHS test. Specification: Rapid development of global economy brings serious environmental issues, which is becoming the focus of all around the world. The RoHS directive EU announced on Feb 13th of 2003 became effective on Jul 1st of 2007 for the purpose of restricting the pollution caused by the dispose of ele...
1.LED In addition to the semiconductor lasers, when the current motivates the semiconductor diodes can emit the optical radiation. Strictly speaking, the term LED should be only applied to emit the visible Diode; The diode which can emit near-Infrared radiation is called infrared light emitting diode (IRED, Infrared Emitting Diode); The emission peak wavelength is limited near the shortwave, the d...
LPCE-2(including spectrophotometer, integrating sphere) is designed for analyzing the photometry, colorimetry and electricity of LED lamp, energy-saving lamp, fluorescent lamp, high-voltage sodium lamp, high-voltage mercury lamp, metal halide lamp and phosphor, completely meets the test requirements of CIE for photometry and colorimetry. Measure and display the relative spectral power distributio...
With LED technology development, LED applications in market are more and more wide. UV-C LED germicidal disinfection applications market also reaches a new height in 2016, prospects are bright. With more and more LED companies launch new products, UV-C LED technology will also develop faster. Wavelength of 200~280nm UV part is called UV-C region; this region UV wavelength is short and has high ene...
LED is not only a semiconductor device, but also a light source. It has the advantage such as high light output, low consumption and easily drove. LED is regarded as the most competitive light source in 21st century. LED’s quality should be tested by checking its photometry and electric parameters. Lisun designed and reseached a series LED Test instruments on chromatic, optic, color, electric...
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