YUEFENG PHB-3 and QiWei PH-220B compare

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Model selection comparator If you have any questions, please click below Service	YUEFENG PHB-3 Pen acidity meter 220.0 RMB China Detail	QiWei PH-220B Pen acidity meter 210.0 RMB China Detail

Model comparison

Type	Pen style	Pen style
Range	0~14PH	0~14PH
Accuracy	Miscellaneous	Miscellaneous
Accessories

Parameter comparison

Measurement parameter
PH Measurement range	0~14.0pH
PH Measurement Accuracy	+/- 0.1pH +/- 1 word
resolution	0.1pH	0.01PH
temperature compensation
Stability (zero drift)
Input Impedance
storage function
Power Supply	2 AAA batteries, 1.5V * 2; can be used continuously for more than 100 hours
size
Weight		88g
Standard electrode reagent
conditions of use
automatic correction	1 point correction (7.00 pH)
Protection level	IP57

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For more information about YUEFENG PHB-3,QiWei PH-220Bsimilarities and differences, please refer to the NBCLab product details.

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