YANTAI STARK INSTRUMENT CO., LTD.

Between the two channels are independent, without interference. English LCD display, English menu operation.

Microcomputer: It adopts high-performance CPU chip, high-precision AD conversion technology and SMT

technology to complete the multi-parameter measurement, temperature compensation and instrument

self-checking, with high precision and good repeatability.

Phase sensitive detection: Eliminating the influence of wire on the measurement

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

1. Measuring range: concentration:（0.00~10.00）%HCL;（0.00~10.00）%NaOH

      （0.00~15.00）%HNO₃;（0.00~30.00）%H₂S0₄

temperature: 0~99.9℃; 0~150℃（optional）

2. Intrinsic error of the electronic unit: concentration: ±1.0%F.S.; temperature: ±0.3℃

3. Automatic temperature compensation range: 0～99.9℃

4. Solution tested: 0～99.9℃, 0.6MPa

5. Intrinsic error of the instrument: concentration: ±2.0%（Common point calibration error is less than 0.05%）

temperature: ±0.5℃（0.0℃≤T≤60.0℃）

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

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

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

9. Output current error: ≤±1%F.S.

10. Protection grade: IP65

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

12. Weight: 0.8kg

13.Power supply：AC220V±22V, 50Hz±1HZ；DC24V（optional）

14. Overall dimension: 146 (length) x 146 (width) x 108 (depth) mm;

dimension of the hole: 138 x 138mm

15. Working conditions: ambient temperature: 0-60℃; relative humidity <85%

16.Secondary meter installation type: opening type/hanging type/framing type/pipe type

17. Electrode installation type: circulating type/ submergence type/flange type/ pipe type