广东11选5走势图

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Integrating Sphere Test System
LED Device Constant Temperature Test System
Photoelectric & color characteristic test of LED high-power device are affected by LED junction temperature. For consistency of measurement, the heat produced by junction temperature should be decreas ...More>>
2015-12-15
General Luminous Flux Test System
The system meets these requirements: CIE NO.127、CIENO.15、SJ/T 2355、GB/T 7922-2003、GB/T 8417-1987. Full spectral, this advanced method over the world is used in this system to measure different par ...More>>
2015-12-15
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