PHB-4 portable pH meterDetailed product description：

Main features of PHB-4 portable pH meter

3-digit backlight (optional) LCD display
Equipped with automatic calibration function
Simultaneously display pH, temperature or mV, temperature
Equipped with manual temperature compensation function
Novel appearance, easy to carry, and easy to operate
Equipped with our factory's E-201-CpH composite electrode

Main technical specifications of PHB-4 portable pH meter

Instrument level: 0.1 level
1. Measurement range:
pH：(0.0～14.0)pH
mV：(0～±1400)mV
2. Resolution:
pH：0.1pH
mV：1mV
3. Basic error:
PH: ± 0.03pH ± 1 word
mV：±0.2％FS
4. Input impedance: not less than 3 × 1011 Ω
5. Stability: ± 0.03pH ± 1 word/3h
6. Temperature compensation range: (0-60) ℃
7. Temperature of the tested solution: (5-60) ℃
8. Power supply: Two No. 5 alkaline batteries
9. Dimensions (mm): 170 × 75 × 30
10. Weight: 0.5 kg