KWS-150 Online COD Sensor

Many organic compounds dissolved in water absorb UV light. Therefore, by measuring the degree of absorption of 254nm wavelength ultraviolet light by these organic substances, the content of dissolved organic pollutants in water can be accurately measured.

KWS-150 online COD sensor uses two light sources, one ultraviolet light is used to measure the COD content in water, and one reference light is used to measure water turbidity. In addition, a specific algorithm is used to compensate for the attenuation of the light path and eliminate granularity to a certain extent. interference from suspended impurities, thereby achieving more stable and reliable measurement.

KWS-150 Online COD Sensor 

Introduction

Many organic compounds dissolved in water absorb UV light. Therefore, by measuring the degree of absorption of 254nm wavelength ultraviolet light by these organic substances, the content of dissolved organic pollutants in water can be accurately measured.

KWS-150 online COD sensor uses two light sources, one ultraviolet light is used to measure the COD content in water, and one reference light is used to measure water turbidity. In addition, a specific algorithm is used to compensate for the attenuation of the light path and eliminate granularity to a certain extent. interference from suspended impurities, thereby achieving more stable and reliable measurement.

Feature

  • No reagents required, no pollution, economical and environmentally friendly
  • Small size, easier to install, and capable of continuous online water quality monitoring
  • Can measure parameters such as COD, turbidity and temperature
  • Automatic compensation for turbidity interference
  • Comes with cleaning brush to prevent biological adhesion
  • Small drift, fast response, and more accurate measurement
  • Excellent stability even for long-term monitoring
  • Maintenance-free, long service life, low cost of use
  • Digital sensor, RS-485 interface, Modbus/RTU protocol
  • Low power consumption and anti-interference design

Dimension

KWS-150 Dimension

Technical Specifications

 

Model KWS-150
Measurement Principle Dual-wavelength UV absorption method
Measuring Range

 

COD Turbidity
0~200mg/L equiv. KHP 0~100NTU
0~500mg/L equiv. KHP 0~200NTU
0~1500mg/L equiv. KHP 0~1000NTU
COD Accuracy ±5%
Response Time (T90) <10s
Lowest Detection Limit

 

0.2mg/L(0-200mg/L)
0.4mg/L(0-500mg/L)
COD Resolution 0.1mg/L
Turbidity Accuracy ±5%
Turbidity Resolution 0.1NTU
Calibration Method two-point calibration
Output Method RS-485(Modbus/RTU)
Power Supply 12~24VDC
Power Consumption

 

0.4W@12V(working)
2W@12V(cleaning)
Storage Temperature -5~65℃
Working Conditions 0~50℃,<0.2MPa
Protection Level IP68
Cable Length 5 m, customizable
Casing Material 316L stainless steel

 

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