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COD Sensor

The COD online sensor is a dual-beam probe-type intelligent sensor that effectively compensates to reduce turbidity interference. It features a built-in cleaning brush to prevent fouling and bubbles from affecting measurements. The sensor uses an RS485 interface and standard Modbus protocol. Measurement data can be converted to COD, BOD, TOC, and other parameters, enabling rapid response to changes in water quality.

Downloads and Resources

  • Product Datasheet (PDF) – Detailed specs and performance data
  • User Manual- Step-by-step installation and operation guide
  • Case Study: Oil & Gas Application – Real-world efficiency gains
  • Demo Video – Watch the analyzer in action
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Description

Product Overview

The ultraviolet (UV) absorption spectrum of water correlates well with the presence of organic pollutants. The concentration of organic pollutants absorbs UV light at specific wavelengths following the Lambert-Beer law, which can be expressed as:

Where:

  • A— Absorbance
  • C — Concentration of the organic substance
  • L — Length of the measurement cell
  • I0— Intensity of light after passing through the “zero” or blank solution
  • I — Intensity of light after passing through the sample water

COD Sensor Technical Specificationsh

Versatile Applications Across Industries

  • Surface water
  • Municipal wastewater
  • Industrial effluents

Key Features of COD Sensor

  • Differential optical detection with built-in temperature compensation ensures high signal accuracy and excellent stability.
  • Equipped with a self-cleaning function to remove window fouling and air bubbles, enabling maintenance-free operation.
  • Dual UV optical paths eliminate the influence of color and automatically correct for turbidity interference in organic matter measurement.
  • Corrosion-resistant housing with IP68 protection rating; RS485 communication interface and standard ModBus protocol for easy integration.

Why COD Sensor Stands Out

Frequently Asked Questions

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