PHS-3B Precision pH MeterDetailed product description：

The main features of PHS-3B precision pH meter are:

3 1/2 digit LED digital display
Equipped with manual and automatic temperature compensation functions
One point or two-point calibration can be used
Design Patent Number: ZL 00348219.7
Equipped with our factory's E-201-C pH composite electrode; T-818-A-6 Temperature Electrode

Main technical indicators
Instrument level: 0.01 level
1. Measurement range:
pH：(0.00~14.00)pH
MV: (0~± 1999) mV (automatic polarity display)
Temperature: (0.0~100.0) ℃
2. Resolution:
pH：0.01pH
mV：1mV
Temperature: 0.1 ℃
3. Basic error:
PH: ± 0.01pH ± 1 word
mV：±0.1%(FS)
Temperature: ± 0.5 ℃ ± 1 word
4. Input impedance: not less than l × 1012 Ω
5. Temperature compensation range: (0~60) ℃
6. Temperature of the tested solution: (5-60) ℃
7. Stability: ± 0.01pH ± 1 word/3h
8. Power supply: AC (220 ± 22) V; (50 ± 0.5) Hz
9. Dimensions (mm): 290 × 210 × 95
10. Weight: 1.5kg