Measuring range
a) pH： (0～14.00)pH, resolution: 0.01pH
b) temperature: (－10.0～120.0)℃, resolution: 0.1℃
c) ORP： (＋1800～－1800)mV， resolution: 1 mV
d) concentration of solution oxygen：(0～20.00)mg/L, resolution:0.01 mg/L
e) saturation of solution oxygen (0～200.0)%, resolution:0.1%
f) conductivity：(0～10.0)mS/cm
2. basic error
a) pH: ±0.05pH ±1 bytes
b) temperature: ±1℃ ±1 bytes c) ORP： ±10 mV ±1 bytes
d) concentration of solution oxygen：
±0.50 mg/L±1 bytes
f)conductivity：±2.0%FS±1 bytes
3. stability of electronic unit
a) pH:±0.02pH/24h
b) solution oxygen:±0.10 mg/L/24h
c) conductivity：±0.5%FS
4. temperature of measured water ：(0～45)℃
5. flow rate of measured water：（2～3）L/min
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