QiWei WSB-1 and LANDTEK WM-106 compare

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Model selection comparator If you have any questions, please click below Service	QiWei WSB-1 Whiteness meter (portable) 990.0 RMB China Detail	LANDTEK WM-106 Whiteness meter 950.0 RMB China Detail

Model comparison

Type	handheld	handheld
Whiteness	Blue light whiteness	Blue light whiteness
Measuring Range	0~200	0~200
Repeatability	≤0.3	≤0.1
Accuracy	0.1	0.1
Measurement aperture	f11 ~ 20mm	f11 ~ 20mm

Parameter comparison

Measuring range	0~199.9	0~120
Whiteness formula	R457 blue light whiteness	R457 blue light whiteness
light source	LED light source	LED light source
Illumination conditions	45/0	45/0
Display	LCD liquid crystal display
Measurement aperture	F15mm	≤15mm
resolution	0.1	0.1
Zero drift	≤0.2/10min	≤0.1
Indication drift	≤0.3/3min
Sexual repeability	≤0.3	≤0.1
Operating Temperature	5~35℃	0~40℃
Relative Humidity	≤85% RH	≤85% RH
Power	AC and DC dual purpose	4 AA batteries (optional AC Power )
Encasement	Portable Aluminum Encasement Box
Net Weight	1.5kg

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