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OWS-MW Series Multi Wavelength Water Quality Sensor

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  • Based on UV-Visible Spectral Absorption Method, the sensor uses 4 LEDs to identify water sample characteristics and innovative algorithms for measurement.
  • It can measure organic matter and nitrate nitrogen in water with a turbidity compensation function, which can effectively improve the accuracy of actual water sample measurement.
  • Scope of application: monitoring of domestic sewage, industrial wastewater,  sewage treatment, water sources, watersheds, etc.
  • 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.
  • It can be equipped with our TRM series data transmitter and Ulik-Server Cloud Service to realize remote real-time monitoring of data and remote operation and maintenance of equipment.
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★  Key Performance Parameters：

 

Monitoring parameter Range Accuracy Resolution
COD 0-500 mg/L ±5% of reading or ±5 mg/L 0.01 mg/L
TUR 0-500 NTU ±5% of reading or ±5 NTU 0.01 NTU
TOC 0-100 mg/L ±5% of reading or ±2 mg/L 0.01 mg/L
NO3-N 0-20 mg/L ±5% of reading or ±1 mg/L 0.01 mg/L
BOD 0-100 mg/L ±5% of reading or ±5 mg/L 0.01 mg/L

Basic Parameters:

Additional information

Monitoring Parameter

COD、TUR、TOC、NO3-N、Temp
Principle

multi-wavelength spectral absorption method
Light Source

LED
Wavelength

235nm, 254nm, 275nm, 550nm
Gap

10mm
Measurement Interval

Minimum 3s
Interface

RS485
Protocol

Modbus RTU
IP Rating

IP68
Material

AISI 316L
Weight

0.6 kg
Dimension

Φ30 mm×245 mm
Mounting

Immersion
Cleaning Method

Automatic, brush
Work Voltage

DC 12 V~24 V
Power

＜6 W
Work Temp

0 ℃~50 ℃
Pressure

≤0.5 MPa
Humidity

5%~95%
Cable Length

Custom
Certification

CE/RoHS
Warranty

One year

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