○ Observation condition of CIE fast measurement with 2 powder pans
PB-3 is specially used to test fluorescent powder.It is coordinate with CMS and CHL-5 LED testers to test the parameter and relative luminance of LED fluorescent powder.
> Exciting source:blue light LED (No coating)
> Exciting wavelength:decided by the blue light LED chip 0/45°
> Observation condition of CIE fast measurement with 2 powder pans
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