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SOMQUALITY - Model NTU -Infrared Turbidity Sensor
The measurement principle of the SOMQUALITY-NTU turbidity sensor is based on infrared light scatter at an angle of 90°. Thanks to the measurementat a wavelength of 880 nm and the wide detection range of 0 to 4`000 NTU, the sensor can be used in varous water and wastewater treatment applications. Apart from turbidity, the SOMQUALITY-NTU also measures the medium temperature and the suspended solids content.
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- Municipal waste water treatment
- Industrial effluent treatment
- Water quality monitoring
- Sea water monitoring, fish farming, aquarium
- Process monitoring
- Principle: IR-scatter at 90°
- 5 - 50 NTU
- 5 - 200 NTU
- 5 - 1000 NTU
- 5 - 4000 NTU
- Measurement range: 5 to 4000 NTU in 5 ranges:
- AUTOMATIC 0 - 4500 mg/L Calibration :
- Range 0 - 500 mg/L according toNF EN 872
- Range >500 mg/L according toNF T 90 105 2
- Resolution: 0.01 - 1 NTU - mg/L
- Accuracy: < 5% of the reading
- Maximum refresh time: < 1 s
- Temperature compensation: via CTN
- Accuracy temperature: ± 0.5C
- Physical and environmental
- Power supply: 5 to 12 VDC
- Power consumption: Standby: 40 μA
- Average RS485 (1 measurement/s): 820 μA
- Average SDI-12 (1 measurement/s): 4.2 mA
- Current pulse: 500 mA
- Output: Modbus RS-485 (standard)
- SDI-12 (optional)
- Dimension: ∅27 mm x 170 mm
- Weight: 300 g (sensor + 3 m cable)
- Material: PVC, DELRIN, Quartz, PMMA, Polyamide
- Max. pressure: 5 bar
- IP classification: IP 68
- Operation temperature: 0-50 °C
- Storage temperature: -10 °C to +60 °C
- Characteristics: stationary measuring system
- Features: non-contact measurement