WSB-2 Whiteness Meter's video
NBCHAOVIDEO5360 plays · · 2016-04-18
The QIWEI WSB-2 Whiteness Meter is used for the measurement of the whiteness value of objects or powders, and can also measure the opacity of thin sheet materials. The blue light whiteness WB = R457 of the WSB-2 Whiteness Meter adopts LED light source.
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