China Brightness Colorimeter /Brightness Tester, Find details about China Brightness Tester, Paper Tester from Brightness Colorimeter /Brightness Tester
Simulate D65 lighting body illumination: | CIE 1964 complementary colorimetric system and CIE 1976 (L "a * b *) color space color difference formula |
Use d / o illumination to observe the geometric conditions: | the diameter of the diffuser ball is 150mm, the diameter of the test hole is 30mm, and a light absorber is provided to eliminate the effect of the specular reflection of the sample. |
Indication accuracy: | chromaticity coordinates 0.0001, the remaining 0.01 |
Stability of measured value: | within 30min, ≤0.1 |
Sample size: | the test plane is not less than 30mm, and the thickness is not more than 40mm |
Working environment temperature: | 5-35C, relative humidity does not exceed 85% |
Size: | 364x264x400mm |
Weight: | 23 kg |