Remond RS485 Chemical Oxygen Demand Self-Cleaning UV254 COD Sensor for Sewage Water

Digital COD Online Analyzer RS485 Chemical Oxygen Demand COD Probe Self-Cleaning UV254 Cod Sensor for Sewage Water

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Description

The COD sensor is a new generation of environmentally friendly COD/TOC sensor that requires no reagents, no pollution, and is more economical and environmentally friendly. Small size and easy installation, water quality monitoring is available online. Automatic compensation for turbidity disturbances, with automatic cleaning device, excellent stability even for long-term monitoring.

Measuring principle

Many organic substances dissolved in water absorb ultraviolet light. Therefore, the total amount of organic pollutants in water can be measured by measuring the absorption of these organic substances by ultraviolet light at a wavelength of 254 nm. COD sensors use two light sources, one 254nm ultraviolet light and one 550nm infrared light, which can automatically compensate the optical path attenuation and turbidity effects, thus achieving more stable and reliable measurement values.

COD sensor Feature 

  • Digital sensor, RS-485 output, support MODBUS.
  • Can measure COD, TOC and temperature parameters.
  • No reagents, no pollution, more economical and environmentally friendly.
  • Small size and easy to install, water quality monitoring can be performed online. 
  • It automatically compensates for turbidity interference and has excellent test performance.
  • Internal rotation cleaning brush for pipe self-cleaning and submersible self-cleaning. 

COD sensor datasheet

ParameterSpecification
PrincipleUV245 absorption method
COD Measuring range0 to 500mg/L equiv.KHP
COD Resolution0.01mg/L equiv.KHP
COD Accuracy<5% equiv.KHP
TOC measure range0.3 to 150mg/L equiv.KHP
TOC Resolution0.1mg/L equiv.KHP
TOC Accuracy<5% equiv.KHP
Temperature range0 ~ 45°C
Power SupplyDC12V, current <50mA (when there is no cleaning brush)
Output signalRS485,MODBUS protocol
Calibration method1 or 2 point calibration
Maximum pressure1bar
Shell materialStainless steel
Cable length5M (default)
Response time10s
Protection gradeIP68

 

 

 



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