Digital display paper whiteness tester, textile whiteness tester, ceramic plastic paint whiteness tester

Digital display paper whiteness tester, textile whiteness tester, ceramic plastic paint whiteness tester

Technical Parameter:

1 Comply with GB3978-83; standard illuminator and illumination observation conditions, simulate D65 illuminator illumination, use d/o illumination to observe geometric conditions, diffuse sphere diameter 150mm, test hole diameter 30mm, with light absorber, eliminate sample mirror and reflected light. The peak wavelength of the spectral power distribution of the R457 whiteness optical system is 457nm, and the full width at half maximum is 44nm. The Y10 optical system conforms to GB3979-83; object color measurement method; 2. Measure and digitally display the whiteness, fluorescence (whitening) whiteness, no Transparency (%) etc.:

3. Zero drift: ≤0.1; 4 Indication drift: ≤0.1:5 Indication error: ≤0.5;

6. Repeatability error: ≤0.02;

7. Specular reflection error: ≤0.1:

8. Sample size: the test plane is not less than 30mm in the middle, and the thickness of the sample is not more than 40mm: 9 Power supply: AC 170~264V50Hz0.2A:

10. Working environment: temperature 0~40℃, relative humidity not exceeding 85%;

11 Dimensions and weight: length x width x height = 365x260*425mm, 11kg