TECHNICAL INDEX

1. Standard: Determination of turbidity in water quality DL/T 809-2016; Measurement of turbidity in water quality using turbidity meter method HJ1075-2019;

2. Range: （0～20.00） NTU、（0～100.0）NTU、（0～2000）NTU；

3. Resolution: 0.001NTU (20 NTU), 0.1NTU (100 NTU), 1NTU (2000 NTU);

4. Detection method: 90 ° light scattering method (laser source)

5. Zero drift: ≤ 1.5%FS；

6. Stability of indication: 1.5%FS；

7. Accuracy: (0-20.00) NTU, (0-100.0) NTU 2% FS; （0～2000）NTU 10% FS；

8. Repeatability: ± 1% FS (based on Formazin primary standard solution at 25 ℃);

9. Flow rate: (100-1000) mL/min (recommended around 500mL/min);

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

11. Output current error: ≤ ±1%FS；

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

13. RS485 communication interface (optional);

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

15. Protection level: IP65；

16. Secondary table dimensions: 159 (length) x 159 (width) x 138 (depth) mm; Hole size: (138 × 138) mm;

17. Weight: Secondary Table: 0.8kg, sensor: 2.0kg, water tank: 1.0kg;

18. Working conditions: ambient temperature (0-60) ℃, relative humidity<85%.

19. Installation methods for secondary meters: perforated, wall mounted;

20. Sensor installation method: Flow type.