Daruifuno NTU Turbidity sensor (5~4000NTU, 7m, RS485, for DUC2-HTU series)

Measure Ranges：

5 to 4000NTU in 5 ranges:

5-50 NTU

5-200 NTU

5-1000 NTU

5-4000 NTU

Automatic: 0 to 4500 mg/L 

Calibration:

Range 0-500 mg/L according to NF EN 872 

Range >500 mg/L according to NF T 90 105 2

Resolution: 0.01 to 1 NTU/mg/L 

Accuracy: <5% of the reading 

Temp  Unit:   NTC 

Temp Range: 0.00°C ~+ 50.00°C 

Temp  Resolution: 0.01℃

Temp Accuracy: ±0.5 °C 

Response Time : <5s 

StorageTemp: 0°C ~+ 60°C

Dimension Diameter: 27 mm; length: 170 mm 

Weight: 300g (sensor+ cable 7 meters) 

Electric Wire: 7m

Sensor Cable: Standard: 3.7 and 15 m (other lengthon request).100 m Max. Up to 100 m with junction box.

Signal Interface: Modbus RTU RS-485 and SDI-12

Power Supply:

5 to 12 volts for cable 0-15 m

7 to 12 volts for cable >15 m Max. 13.2 V

Consumption:

- Standby: 40 µA

- Average RS485(1 measure/seconde): 820 µA 

- Average SDI12(1 measure/seconde): 4.2 mA 

- Current pulse : 500 mA 

- Heating time : 100 mS 

- Protection against the inversions of polarity