| Measurement range | PH value: (0.00~14.00) pH, mV value: -2000~2000mV |
| Resolution | PH value: 0.01pH, mV value: 1mV |
| Intrinsic error | PH value : +/- 0.01pH +/- 1 word, mV value: +/- 0.1% FS |
| Stability | +/- 0.3 mV +/- 1 word/3h |
| Allowable error of titration Capacity | 10Ml Burette : +/- 0.05ml, 20ml Burette : +/- 0.07ml |
| Miscellaneous indicators | Burette infusion or rehydration speed: < 55s (when Burette is full), control titration Sensitivity : +/- 0.03PH, +/- 3mv; input Impedance: not less than 1 × 1212Ω |
| Operating Environment | Environmental temperature: 5.0~35.0 ℃; Relative Humidity not more than 80% |
| Power supply Voltage | AC 220±22V 50±1Hz |
Warranty days: 365 days