1. Working power supply: 220V ± 10%, 50Hz

2. Potential measurement range: (0~± 2000) mV;

3. Basic error of electronic unit: 0.1% ± 0.001mV of full reading, minimum titration volume of 0.001 milliliters;

4. Input impedance: Ri ≥ 1 × 1012 Ω;

5. Burette volume: 10mL (10-50mL optional);

6. Accuracy of burette: ± 0.01% (F · S);

7. Measurement range (measured by pH value): 0-20;

8. Precision: Consistent with relevant potentiometric titration standards such as GB/T1792, SH/T0162, GB/T264, ASTM D664, etc;

9. Environmental temperature: 5 ℃~35 ℃

10. Relative humidity: not exceeding 80%

1. The instrument has a high input impedance, ensuring accurate measurement of potential;

2. The instrument adopts a 24 bit A/D converter to ensure the accuracy and linearity of measuring potential;

3. Adopting imported (Swiss Wantong) exchange units, all components are processed from corrosion-resistant and oil resistant materials to ensure the airtightness and flexibility of the titration unit, and there is no leakage during long-term use;

4. The exchange unit is driven by an imported motor with a small step angle (only 0.9 degrees), ensuring high accuracy and good reproducibility of titration volume;

5. The software has the function of automatically screening the measured values of potential, smoothing the titration curve well, and effectively filtering false endpoints;

6. The software has the function of automatically determining the endpoint and manually selecting the endpoint. It can automatically make necessary corrections to the endpoint volume to prevent improper titration parameter settings. It can also be used as an effective titration and report titration results;

7. The titration parameter settings are flexible and can be designed or configured for other purposes;

8. The titration results are automatically saved to the database for future reference;

9. The instrument can be connected to a printer to print titration curves and titration results;

10. The work software is simple, intuitive, and very easy to learn;

11. Capable of adding liquid at a fixed value; Equipped with automatic cleaning function;

12. The number of endpoints can be freely set and can be used for separate titration of mixed ions;