TECHNICAL INDEX

1. Range: （0～5）mg/L 、（0～20）mg/L；

2. Resolution: 0.01mg/L;

3. Water sample flow rate: （400～800）mL/min；

4. Water sample pressure:< 0.1Mpa；

5. Accuracy: ± 3% FS (DPD comparison error ± 10%);

6. Repeatability: ± 3% FS;

7. Current isolation output: 4-20 mA (load<750 Ω);

8. Output current error: ≤ ±1%FS；

9. Alarm relay: AC220V, 7A (optional);

10. RS485 communication interface (optional);

11. Power supply: AC220V ± 22V, 50Hz ± 1Hz; Optional DC24 ± 2.4V, 1A power supply;

12. Protection level: IP65；

13. Dimensions: 159 (length) x 159 (width) x 138 (depth) mm;

Hole size: 138 × 138 mm;

14. Weight: 0.8kg ；

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

16. Sensor installation method: flow-through;