QiWei PHS-25 and FZchina PHS-25 compare

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Model selection comparator If you have any questions, please click below Service	QiWei PHS-25 pH meter (desktop microcomputer) 370.0 RMB China Detail	FZchina PHS-25 Economical acidity meter 990.0 RMB China Detail

Model comparison

Type	desktop	desktop
Range	0~14PH	0~14PH
Accuracy	±0.05	±0.01
Accessories

Parameter comparison

Measurement parameters
PH range	0~14pH
PH measurement Accuracy	±0.05pH
resolution	pH: 0.01pH/Temperature: ± 1 ℃
Temperature Measurement range	0~100℃
Stability (zero drift)	≤ 0.01pH ± 1 word/2h
data storage	without
Power	9V DC Power	Universal Power (DC9V, 300mA, internal positive and external negative)
Dimensions	23020060mm
Weight	About 1.5Kg
Standard electrode reagent	E201-C plastic case PH composite electrode (suitable for solution temperature measurement in the range of 5-60 ℃); PH standard calibrated sample; power adapter
Allowable environment temperature	0~40℃
Allowable Relative Humidity	<85%
input impedance	> 1x1012OH
Solution temperature compensation range	5~60℃
Temperature measurement Accuracy	±1℃
mV range	±1000mV	-1999~1999mV
Temperature compensation method	manual

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