Optical Digital RS485 COD BOD TOC Sensor with 0.1-1500mg/L Range and IP68 Waterproof Rating

Advanced optical digital sensor for COD, BOD, and TOC measurement using dual-wavelength UV absorption. Features RS485 MODBUS output, reagent-free operation, automatic cleaning, and SUS316L stainless steel housing. Ideal for continuous water quality monitoring in rivers, lakes, drinking water, and environmental protection applications.

Place of Origin Nanjing, China
Measurement Method Dual wavelength UV absorption method
Packaging Details Neutral carton
Range Depends on sensor
Model Number AG6602CD/AG6603CD
Supply Ability 100 Unit/Week
Product Description
Product Overview

This optical digital RS485 COD BOD TOC sensor employs advanced UV absorption technology for precise water quality monitoring. The compact, reagent-free design eliminates pollution while providing economical and environmentally friendly operation. With automatic turbidity compensation and cleaning mechanisms, it ensures stable performance during extended use.

The dual-light source configuration (254nm UV and 850nm infrared) automatically cancels interference from suspended particles, delivering reliable measurements of total organic pollutants in water.

Key Features
  • Digital sensor with RS-485 output supporting MODBUS protocol
  • Reagent-free operation eliminates pollution and reduces costs
  • Dual-wavelength UV absorption ensures fast response and stable signals
  • SUS316L stainless steel housing withstands 0-50°C temperatures
  • IP68 waterproof rating for reliable performance
  • Detachable cable simplifies installation and maintenance
Technical Specifications
Parameter AG6602CD AG6603CD
Power Supply 9-36VDC
Output RS485 MODBUS RTU
Measurement Principle Dual wavelength UV absorption method
COD Range 0.1-500mg/L 0.1-1500mg/L
TOC Range 0.1-200mg/L 0.1-750mg/L
BOD Range 0.1-300mg/L 0.1-900mg/L
Accuracy <5% equiv.KHP <10% equiv.KHP
Turbidity Range 0.1-1000NTU 0.1-4000NTU
Temperature Range 0-50°C
Cable Length Standard 10 meters, extendable to 100 meters
Sensor Dimensions
AG6602CD Model
AG6602CD optical digital sensor dimensions and specifications diagram
AG6603CD Model
AG6603CD optical digital sensor dimensions and specifications diagram
Installation Diagram
Optical digital sensor installation diagram showing proper mounting and connection methods

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