Home / Products / Chemical & Biological Sensors / SX-CHUEA Series
Skip to product information
SX-CHUEA Series
SX-CHUEA Series

SX-CHUEA Series

The SensorsX SX-CHUEA Series is a self-cleaning UV COD sensor designed for continuous water-quality monitoring. It measures COD, TOC, turbidity, and temperature without chemical reagents, and features automatic turbidity compensation and a self-cleaning brush for stable, low-maintenance operation. With RS-485 Modbus communication, IP68 protection, and a durable 316L stainless-steel housing, it is suitable for wastewater treatment, industrial effluent, and surface-water monitoring.

  • Measurement Principle: UV absorption method
  • COD Range: 0–500 mg/L / 0–1,500 mg/L
  • TOC Range: 0–180 mg/L / 0–600 mg/L
  • Turbidity Range: 0–500 NTU
  • Accuracy: ±5% COD
  • Output Signal: RS-485 / Modbus
  • Power Supply: DC 12–24 V, ≥1 A
  • Ingress Protection: IP68
  • Ambient Temperature: 0–50 °C (32–122 °F)
Ordering Code
$1,331.00

Product Overview

The SX-CHUEA Series self-cleaning COD sensor is based on the UV absorption method. It requires no reagents and generates no chemical waste, making it a cost-effective and environmentally friendly solution. Building on extensive application experience, the sensor features an all-metal structure and a compact form factor. The automatic cleaning device helps reduce biofouling, while automatic turbidity compensation supports stable long-term performance during online water-qualitymonitoring.


Main Features

  • No reagents required; pollution-free and environmentally friendly; outstanding value for money
  • Measures COD, TOC, turbidity, and temperature
  • Automatic turbidity compensation for reliable measurement performance
  • Equipped with self-cleaning brush to prevent biofouling, extending maintenance interval
  • Built-in calibration parameters for convenient field use and recalibration

Product Application

Industries Served

COD / TOC and turbidity monitoring in wastewater treatment
Industrial effluent monitoring
 Surface water quality monitoring

Technical Data

Measurement
Product Type Self-Cleaning UV254 COD / TOC / Turbidity Sensor
Measurement Principle UV absorption method
COD Range 0–500 mg/L / 0–1,500 mg/L
TOC Range 0–180 mg/L / 0–600 mg/L
Turbidity Range 0–500 NTU
Accuracy & Resolution
COD Accuracy ±5%
Resolution 0.01 mg/L
Power & Communication
Supply Voltage DC 12–24 V, ≥1 A
Power Consumption 0.1 W (idle) / 0.8 W or 2 W (while brushing)
Digital Communication RS-485 / Modbus
Environmental Conditions
Operating Temperature 0–50 °C (32–122 °F)
Ingress Protection IP68
Mechanical & Materials
Housing Material 316L Stainless Steel; titanium alloy available upon request
Dimensions Φ46 mm × 176 mm
Cable Length 10 m standard, customizable

Certifications & Compliance

 

Related Products

Ready to upgrade your sensing infrastructure?

You can directly input your requirements and the AI ​​will automatically match the most suitable model.

Request a Quote Talk to an Expert