Dual Light Source Sensor for COD and Turbidity with RS485 and MODBUS Output – GAOTek

This eco-friendly water quality monitoring device features compact design, automatic turbidity interference compensation, and high measurement accuracy for COD and turbidity.

Description

Description

Overview

GAOTek dual light source sensor for COD and turbidity with RS485 and MODBUS output is the COD sensor is a new generation of environmentally friendly COD sensor launched by our company. It requires no reagents, no pollution, and is more economical and environmentally friendly.

 

Features

  • No reagents, no pollution, more economical and environmental protection
  • Small size, easy installation, and continuous water quality monitoring
  • Measure COD, turbidity and temperature parameters
  • Automatic compensation for turbidity interference
  • With a cleaning brush to prevent bio-adhesion
  • Small drift, fast response, more accurate measurement
  • Excellent stability even for long-term monitoring
  • Maintenance-free, long service life and low cost of use
  • Digital sensor, RS-485 interface, Modbus/RTU protocol
  • Low power design, anti-interference design

 

Technical Specifications

COD Precision ± 5 % F.S.
COD Resolution 0.1 mg or L
Turbidity range 0NTU to 100 NTU
Turbidity accuracy ± 5 % F.S.
Turbidity resolution 0.1 NTU
Calibration method Two-point calibration
Output method RS-485 bus, Modbus or RTU protocol
Power supply 12 VDC to 24 VDC
Power consumption <0.2W at 12 VDC
Protection level IP68
Installation method Immersion installation
Working conditions 32 to 113°F (0 ℃ to 45 ℃) < 0.2 MPa
Storage temperature 23°F to 149°F (-5 ℃ to 65 ℃)