NDPH-3S Precision pH Meter

Technical Specifications:
1. Instrument Class: 0.01 Class
2. Measuring Range: pH: (-2.00~19.99) pH
mV: (0~±1999.9) mV (Automatic Polarity Display)
3. Minimum Display Unit (Resolution): 0.01 pH, 0.1 mV
4. Automatic Recognition Function for Three Standard Solutions: 4.00pH, 6.86pH, 9.18pH;
5. Manual Temperature Compensation, Temperature Compensation Range: (0~99.99)°C
6. Electronic Unit Basic Error: pH: ±0.01 pH, mV: ±0.1mV±1 digit
7. Instrument Basic Error: ±0.02 pH±1 digit
8. Electronic Unit Input Current: Not Greater Than 1×10⁻¹²A
9. Electronic Unit Input Impedance: Not Less Than 1×10¹²Ω
10. Temperature Compensator Error: ±0.01 pH
11. Electronic Unit Repeatability Error: pH: 0.01 pH
12. Instrument Repeatability Error: Not Greater Than 0.01 pH
13. Electronic Unit Stability: ±0.01 pH±1 digit／3h
14. Dimensions L×W×H, mm: 290×210×95