Model: PHS-25
Description
Portable type PH meter, LCD display, can indicate PH, temperature. It can measure the water PH and potential value, if has ORP electrode can measure the ORP value, if has ion selection electrode, can measure the electrode potential value.
Technical specifications
1． Accuracy degree: 0.1%
2． Measuring range：
Ph: (0.00~14.00) pH
mV: (0~±1400)mV( automatic polarity indication)
3． min display unit：0.01 pH, l mV, 0.1℃
4． Temperature offset range:(0.0~60.0)℃
5． Electric unit basic error: pH: ±0.05pH
mV: ±1%FS
6． Basic error: ±0.1 pH
7． Electric unit input current: <1×10-11A
8． Electric unit input resistance: >3×1011Ω
9． Temperature compensator error: ±0.05pH
10．Electric unit repeatable error:
pH: 0.05pH
mv: 5mV
11． Repeatable error: <0.05pH
12． Electric unit stability: ±0.05 pH±l word／3h
13． Overall size: 135×75×25mm
14． Net weight: 0.3kg
15． Normal working condition
a) Temperature: (5~40)℃
b) Relative humidity: <85%
