YUEFENG SBDY-1 and YongLiDa SBDY-I compare

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Model selection comparator If you have any questions, please click below Service	YUEFENG SBDY-1 Digital Whiteness Meter 2200.0 RMB China Detail	YongLiDa SBDY-I Digital Whiteness Meter 2580.0 RMB China Detail

Model comparison

Type	desktop	desktop
Whiteness	Blue light whiteness	Blue light whiteness
Measuring Range	0~100	0~100
Repeatability	≤0.2	≤0.3
Accuracy	0.1	0.1
Measurement aperture	f21 ~ 30mm	f21 ~ 30mm

Parameter comparison

Measurement range	0~100%
resolution		0.1
Precision	0.1
Zero drift	≤0.1/10min	340×270×280
Indication drift
error of indication
Repeatability	≤0.2	≤0.3
Mirror reflection error
integrator diameter
Measurement aperture	Φ30mm	F30mm
Sample requirements
instrument size
Net Weight
Power Supply	220V±10%
Whiteness formula	R457 blue light whiteness	R457 blue light whiteness
Light source	D65
test condition	45/0
Operating Environment
Display mode	Digital or LCD display
Whiteness formula	R457 blue light whiteness	R457 blue light whiteness
Indication Stability	≤0.2/10min
Power	35VA

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