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OWS-FS Series Full Spectrum Water Quality Sensor

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  • The sensor adopts the UV-Vis absorption spectroscopy measurement principle to realize the real-time monitoring of the “light pattern” in the wavelength range of 200-800 nm.
  • The advanced deconvolution algorithm enables multi-parameter measurements including COD, TOC, DOC, BOD, TUR, TSS, nitrate-nitrogen, chromaticity, temperature, etc.
  • The application is focused on the identification of influent characteristics and real-time online monitoring of domestic and industrial wastewater, as well as the optimization of wastewater treatment process parameters.
  • The influence of temperature change is compensated by a reference light.
  • The sensor is equipped with an automatic brush, which keeps the cleanness of window for a long period (~ 6 months) even in very dirty conditions.
  • The sensor can directly upload data to Ulik-Server cloud service through WIFI or use with TRM series data transmitter to realize remote monitoring of data and remote operation and maintenance of equipment.
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★  Key Performance Parameters：

Monitoring parameter Gap  Range  Accuracy Resolution 
COD 15 mm 0-150 mg/L ±3% of reading or ±1.5 mg/L 0.01 mg/L
5 mm 0-500 mg/L ±3% of reading or ±2.5 mg/L 0.01 mg/L
2 mm 0-1000 mg/L ±3% of reading or ±3 mg/L 0.01 mg/L
TUR 15 mm 0-150 NTU ±3% of reading or ±2.5 NTU 0.01 NTU
5 mm 0-500 NTU ±3% of reading or ±5 NTU 0.01 NTU
2 mm 0-1000 NTU ±3% of reading or ±10 NTU 0.01 NTU
NO3-N 15 mm 0-8 mg/L ±3% of reading or ±0.1 mg/L 0.01 mg/L
5 mm 0-25 mg/L ±3% of reading or ±0.2 mg/L 0.01 mg/L
2 mm 0-50 mg/L ±3% of reading or ±0.5 mg/L 0.01 mg/L
TOC 15 mm 0-30 mg/L ±3% of reading or ±0.2 mg/L 0.01 mg/L
5 mm 0-100 mg/L ±3% of reading or ±0.5 mg/L 0.01 mg/L
2 mm 0-300 mg/L ±3% of reading or ±1 mg/L 0.01 mg/L
BOD 15 mm 0-30 mg/L ±3% of reading or ±0.2 mg/L 0.01 mg/L
5 mm 0-100 mg/L ±3% of reading or ±0.5 mg/L 0.01 mg/L
2 mm 0-300 mg/L ±3% of reading or ±1 mg/L 0.01 mg/L
Temperature 0～60 ℃ 0.0625 ℃ ±1 ℃

Basic Parameters:

Additional information

Monitoring Parameter

NO3-N, COD, BOD, TOC, DOC, TUR, TSS, Temperature, Chromaticity
Principle

UV-visible absorption spectroscopy with deconvolution algorithm.
Light Source

Xenon lamp
Wavelength

200 nm~ 800 nm
Gap

2 mm, 5 mm, 15 mm
Measurement Interval

Minimum 10 s
Interface

RS485
Protocol

Modbus RTU
Wireless

WiFi/Bluetooth
IP Rating

IP68
Mounting

Immersion
Weight

4.0 kg
Dimension

Φ66×505 mm
Material

AISI 316L
Cleaning Methed

Automatic, brush
Working Voltage

DC 12 V~24 V
Power

＜8 W
Working Temp

0 ℃~50 ℃
Pressure

≤0.5 MPa
Humidity

5%~95%
Cable Length

Custom
Certification

CE/RoHS
Warranty

One year

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