Test Service
Thanks to our customers of the long year support, we decide to open our lab.
Any old or new customer, we can provide free test service for two times and issue the relative test report.
Test subject as below
Light source analysis test and Spatial intensity distribution test
1. Light source analysis test
Item：CMS-3000S Spectroradiometer + integrating sphere test system
Testing environment：Standard optics lab .
The system including：Spectroradiometer、Integrating sphere,WL serial CC&CV DC Power source、CHP Serial AC Power source,Digital Power meter、Standard lamp（Traced to NIM ）.
Introduction：
The system adopts the world advanced holographic concave gratin, precision optical system,the electronic shutter control technology and CCD linear array detector. It has low stray light, wide linear dynamic range, high repeatability, high stability, millisecond test speed and high accuracy.
Relative standards：
＞IES LM 79-08 Electric and photometric measurements of SSL products（Recommend CCD type spectroradiometer+ integrating sphere test system）
＞GB/T24824-2009 Test methods for LED modules for general lighting applications
Tested parameters：
（1）Photometric parameters：The luminous flux, luminous efficiency, radiation power
（2）Colorimetric parameters: The relative spectral power distribution Pλ、chromaticity Coordinate (x,y),(u,v)、CCT Tc、CRI Ra、SDCM、Peak wavelength λp、Spectral half width Δλ、 Main wavelength λd、Color purity etc
（3）Electric parameters：Forward voltage, forward current, reverse voltage, constant current, voltage, current, power, power factor, etc
2.Spatial intensity distribution test
Item：GPM Serial Goniophotometer test system
Testing environment：Standard optics lab
The system including：GPM Goniophotometer（Light distribution curve）、Dual path intelligent photometer,WL serial CC&CV DC Power source、、Standard intensity lamp（Traced to NIM ）、Customized fixture.
Test methods：
C-γ、A-αand B-β
Applied lamp type:
Suitable for all kind of LED lamps like navigation lamp, auto lamp, street lamp, spot lamp, flood lamp, LED bulb, LED Tube etc.
Tested parameters:
Luminaire Efficacy Rating (LER), Luminous Intensity Distribution Curve Max. Intensity: Pos of Max. Intensity, Luminous Intensity Distribution Curve(cd/klm,Coefficients Of Utilization - Zonal Cavity Method,Curves of Luminaires vs Lighting Area,Isocandela (rectangle),Isocandela (sphere),IsoLux Plot,Lum Limit Curve,Illuminance at a Distance,Vertical IsoLux Plot,The Average Illuminance Effective Figure,Zonal Lumen,Candlepower Table.
Relative standards:
＞CIE Pub. NO.70, “The Measurment of Absolute Luminous Intensity Distributions”
＞ CIE DIV.Ⅱ-TC10, “Photometry of Luminaires”
＞ CIE Pub.NO.76, “Photometry-the CIE Sytstem of Physical Photometry”
＞ CIE 121-1996 “The Photometry of Goniophotometer of Luminaries”
＞ IESNA LM-75 “Goniophotometer Types and Photometric Coordinates”
＞ IESNA LM-79 “Electrical and Photometric Measurements of Solid-state Lighting Products”
＞IESNA-1971(73-96),“IES Practical Guide to Photometry”
＞ IESNA 61341 “Method of Measurement of Center Beam Intensity and Beam Angle(s) of Reflector Lamp”
＞ GB/T 9467-2008, “Photometry of indoor type luminaires”
＞ GB/T 9468-1988, “Photometry of luminaires for street lighting”
＞ GB/T 7002-2008,“Photometry for floodlight”
＞ LB/T 001-2008 “Method for measuring integral LED street lamp”
＞ GB/T 24824-2009 “Methods of measurement for LED modules for general lighting“
File output format:
◇ *.CIE CIE
◇ *.IES IESNA (North America)
◇ *.TM14 TM14 (British)
◇ *.EUT EULUMDAT (Germany)
◇ *.CSV EXCEL
Invenfine reserve the final rights for explanation.