QiWei WSB-3 and QiWei WSB-3Y compare

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Model selection comparator If you have any questions, please click below Service	QiWei WSB-3 Whiteness meter (desktop microcomputer) 1780.0 RMB China Detail	QiWei WSB-3Y Whiteness instrument (desktop microcomputer fluorescent type) 2690.0 RMB China Detail

Model comparison

Type	desktop	desktop
Whiteness	Blue light whiteness Opacity	Blue light whiteness Fluorescence whiteness Background whiteness Fluorescent whitening amount Opacity
Measuring Range	0~200	0~200
Repeatability	≤0.2	≤0.2
Accuracy	Miscellaneous	0.1
Measurement aperture	f21 ~ 30mm	f21 ~ 30mm

Parameter comparison

Measuring range	0~199.9
Whiteness formula	R457 Blue light whiteness, Transparency	R457 blue light whiteness, fluorescent whiteness, background whiteness, fluorescent whitening amount, opacity
Illumination conditions	d/0
Display	LCD liquid crystal display
Measurement aperture	F30mm	Φ30mm
resolution	0.1
Error of indication	≤±1	≤±1
Zero drift	≤±0.1	≤±0.1
Sexual repeability	≤0.2

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