Intelligent: SJG-2083 English On-line Acid Concentration Meter adopts high-precision AD conversion and

single chip microcomputer processing technologies. It can be used for the measurement of the HCL

concentration and temperature, automatic temperature compensation, automatic range switching and

self-checking.

Reliability: All the components are arranged on one circuit board. No complicated functional switch, adjusting

knob or potentiometer is arranged on this instrument.

Strong interference immunity: Its current output adopts optoelectronic isolating technology. This meter has

strong interference immunity and the capacity of long-distance transmission as well as excellent electromagnetic

compatibility.

Waterproof and dust-proof design: Its protection grade is IP65. It is applicable for outdoor use.

Automatic range switching: The measuring ranges can automatically switch within the measuring range of the

electrode.

Communication interface: It can be easily connected to a computer to perform monitoring and communication.

Phase sensitive detection: Eliminating the influence of conductors on the measurement of hydrochloric acid

concentration.

Automatic measuring frequency switching: This can help prevent electrodes from polarization, so as to enhance

their accuracy.

1. Measuring range: concentration: (0~10)% HCL; (0~30)% HCL; temperature: 0~99.9°C

2. Intrinsic error of electronic units: concentration: ±1.0%; temperature: ±0.3°C

3. Range of automatic temperature compensation: 0~99.9°C

4. Solution tested: 0~99.9°C, 0.6MPa

5. Intrinsic error of the instrument: concentration: ±2.0% (the error may be less than 0.05% after usual point

calibration.)

Temperature: ±0.5°C(0.0°C≤T≤80.0°C)

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

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

8. Isolated current output: 4~20 mA(load <750Ω)

9. Output current error: ≤±1%FS

10. Compensation range of the temperature coefficient: (0-10.0)% /°C (adjustable)

11. Alarm relay: AC 220V, 3A

12. Communication interface: RS485 or 232(optional)

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

14. Protection grade: IP65

15. Clock accuracy: ±1 minute/month

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

17. Saving time of data under a continuous power-failure condition: 10 years

18. Overall dimension: 146 (length) x 146 (width) x 108 (depth) mm; dimension of the hole: 138 x 138mm

19. Working conditions: ambient temperature: 0-60°C; relative humidity <85%

20. Weight: 1.0kg