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Water Treatment Chemical Oxygen Demand Sensor ETP Online Cod Analyzer Wastewater

Basic Information
Place of Origin: China
Brand Name: Desun Uniwill
Model Number: DS-500
Minimum Order Quantity: 0~100 pcs
Price: $1200.00 - $3000.00/ Piece
Packaging Details: Carton packaging
Delivery Time: 7~ 15 working days
Payment Terms: L/C, D/A, D/P, T/T
Supply Ability: 0~1000 pcs
Detail Information
Output Signal: RS-485, MODBUS Protocol Range: COD 2.5 To 1000 Mg/l Equiv. KHP
Accuracy: 0.01mg/L COD Temperature Range: 0~ 50°C
IP Grade: IP68 Maximum Pressure: 1 Bar
Calibration: 1 Or 2 Point COD Calibration Power Supply: DC 12V +/-5%, Current <50mA (when There Is No Cleaning Brush)
Cable Length: 5m (default) Housing Material: SS316
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Water Treatment Chemical Oxygen Demand Sensor


Chemical Oxygen Demand Sensor ETP


online cod analyzer wastewater

Product Description

Water Treatment COD Digital Sensor ETP Chemical Oxygen Demand




The COD sensor is a new generation of environmentally friendly COD/TOC sensor that requires no reagents, no pollution, and is more economical and environmentally friendly. Small size and easy installation, water quality monitoring is available online. Automatic compensation for turbidity disturbances, with automatic cleaning device, excellent stability even for long-term monitoring.


Technical parameter





Measuring range

Application field



DS501(6 mm gap)

COD 0.75 to 1000 mg/l equiv. KHP

TSS 0 to 1000 mg/L

BOD 0~300 mg / L




Tap water,Sewage treatment plant outlet, natural waters



DS502(1mm gap)

COD 2.5 to 2000 mg/l equiv. KHP

TSS 0 to 1000 mg/L

BOD 0~500 mg / L




Industrial process control,Raw water

Power supply

12VDC +/-5%

Output signal

RS485 / Modbus


0.01mg/L COD


1 or 2 point calibration

















Electrical connection


  • The size: 54x325.5 mm (Φ xL)

  • Power supply:Supply voltage 12V +/-5%, current <50mA (no cleaning brush)

  • Sensor cable: 4-wire AWG-24 or AWG-26 shielded wire. OD=5mm

  1. Red - power cord (VCC)

  2. White - 485 data line _B (485_B)

  3. Yellow ---485 data line _A (485_A)

  4. Black --- ground (GND)

  5. Bare wire --- shielded wire


Quality assurance


  • The online COD warranty period is 1 year from the delivery date. If the product is found to be faulty during the warranty period, our company promises to repair or replace the faulty product free of charge, or return the order for the faulty product to the user after deducting the first shipping fee. Repaired or replaced products will only enjoy the remaining warranty period.

  • Vulnerable parts are not covered by the warranty, such as consumables (light source, pipes, etc.). During the warranty period, please contact our sales staff or their agents for technical support.

  • After receiving the product quality problem provided by the customer, our company will confirm whether the product needs repair within 2 weeks; if the repair permit is not obtained, the user must not send the product back without authorization.


Water Treatment Chemical Oxygen Demand Sensor ETP Online Cod Analyzer Wastewater 0


Contact Details

Phone Number : +86 181 8242 9986

WhatsApp : +8618182429986