1. Measuring range: concentration: (0.00～10.00)%HCL, (0.00～10.00)%NaOH, (0.00～20.00)%H2SO4, (0.00～10.00)% NaCL, (0.00～15.00)%HNO3; (optional) ) Temperature: 0～99.9℃;

2. The basic error of the electronic unit: concentration: ±1.0%, temperature: ±0.3℃;

3. Range of automatic temperature compensation: 0～99.9℃;

4. The tested solution: 0～99.9℃, 0.6MPa;

5. The basic error of the instrument: concentration: ±2.0% (the error can be less than 0.05% after calibration at common points), temperature: ±0.5°C (0.0°C≤T≤80.0°C);

6. Repeatability error of electronic unit: ±1.0%;

7. Stability of electronic unit: ±1.0% /24h;

8. Galvanic isolation output: 4～20 mA (load <750Ω);

9. Output current error: ≤±1%FS;

10. Temperature coefficient compensation range: (0～10.0)%/℃ (adjustable)

11. Alarm relay: AC220V, 3A;

12. RS485 communication interface;

13. Power supply: AC220V±22V, 50Hz±1Hz;

14. Waterproof and dustproof design: protection grade; IP54

15. Clock accuracy: ±1 minute/month

16. Data storage capacity: 1 month (1 point/5 minutes)

17. Data storage time for continuous power-off: 10 years

18. Dimensions: 146 (length) × 146 (width) × 150 (depth) mm, opening size: 138 × 138 mm;

19. Weight: 1.0kg;

20. Working conditions: ambient temperature 0～60℃ relative humidity <85%

Full English display, friendly interface, simultaneous display of multiple parameters: simultaneously display conductivity, output current, temperature, time and status on one screen. Using high-resolution dot-matrix LCD module, all data, status and operation prompts are displayed in Chinese (English), and there is no sign or code defined by the manufacturer.

Fully intelligent: using high-precision AD conversion and single-chip micro-processing technology, it can complete HCL; NAOH and other concentration measurement, temperature measurement, temperature automatic compensation, automatic range conversion, meter self-check and other functions.

High reliability: The components are integrated on a circuit board without complicated functional switches, adjusting knobs and potentiometers.

Strong anti-interference ability: The current output adopts photoelectric coupling isolation technology, which has strong anti-interference ability and realizes long-distance transmission. Has good electromagnetic compatibility.

Waterproof and dustproof design: protection grade IP54, cast aluminum housing suitable for outdoor use.

Automatic range conversion: realize automatic range conversion within the measurement range covered by the electrode.

RS485 communication interface: It can be easily connected to a computer for monitoring and communication.

Phase sensitive detection: Eliminate the influence of wires on the measurement of hydrochloric acid concentration.

Automatic conversion of measurement frequency: avoid electrode polarization and improve measurement accuracy.