Brightness meter

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plywood

DRK103 Brightness meter
The meter is used to test the whiteness. It also can test the transparency, opacity, light scattering coefficient and light absorption coefficient.
It is widely applied in papermaking, fabric, printing, plastic, ceramic and porcelain enamel, construction material, chemical industry, salt making and other testing department that need to test whiteness.
The meter is designed according to GB3978-83 standard lighting substance and lighting observing condition, modeling D65 lighting. It adopts d/ o lighting observing geometry terms ( ISO2469) . ISO 2470: ( ISO Brightness) . ISO 2471: Paper and Cardboad Teat Method of Opacity.
The diffuse diameter is 150mm. It uses light absorber to eliminate the influence caused by the specimen’ s mirror reflecting light. The meter is equipped with LCD and can menstruate many times and give series of arithmetic measuring result. The testing data will store while powering off for a long time.
Technical data:
1. Zero excursions: d0.1
2. Result excursion: d0.1
3. Result error: d0.5
4. Repeating error: d0.1
5. Mirror reflecting error: d0.1
6. Dimension of specimen: the diameter of specimen over 30mm or 19mm, thickness below 40mm
7. Power: ~ 220V± 10% , 50Hz, 0.3A
8. Ambient condition: temperature 0 ~ 40 , humidity below 85%
9. Dimension and net weight: 345( L) mm× 260( W) mm× 425( H) mm, 11kg

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