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SS316L Online Chemical Oxygen Demand Sensor Meter With Internal Rotating Brush

Basic Information
Place of Origin: China
Brand Name: Desun Uniwill
Model Number: DS-500
Minimum Order Quantity: 0~100 pcs
Price: $1100.00 - $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 Range: COD 2.5 To 1000 Mg/l Equiv. KHP
Accuracy: 0.01mg/L COD Temperature Range: +5 ~ 45°C
IP Grade: IP68 Power Supply: DC 6~12V, Current <50mA
Cable Length: Default 5 M Housing Materia: SS316L
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SS316L Chemical Oxygen Demand Sensor


Online Chemical Oxygen Demand Sensor


SS316L chemical oxygen demand meter

Product Description

316L Online COD Sensor WIth Internal Rotating Brush For Pipe COD Monitoring Chemical Oxygen Demand


  • Digital sensor with RS-485 output and MODBUS support.
  • Can measure COD, TSS and temperature parameters.
  • No reagent, no pollution, more economical, more environmental protection.
  • Small size, easy installation, can be online for water quality monitoring.
  • Can automatically compensate turbidity interference, excellent testing performance.
  • Internal rotating cleaning brush for pipe self-cleaning and submersible self-cleaning


Item Parameters
Model 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
Accuracy 0.01mg/L COD
Calibration 1 or 2 point calibration



















Quality guarantee


The warranty period for the online COD is 1 year from the date of its delivery.


If a product is found to be faulty during the warranty period, we are committed to repairing or replacing the faulty product free of charge, or returning the order for the faulty product to the user after deducting the first shipping cost. Repaired or replaced products will only be covered for the remainder of the warranty period.


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


Upon receipt of a product quality issue from the customer, we will confirm within 2 weeks whether the product requires repair; the user must not send the product back without obtaining permission for repair.


Electrical connection


1. The size: 54x325.5 mm (Φ xL)

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

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


  • Red - power cord (VCC)
  • White - 485 data line _B (485_B)
  • Yellow ---485 data line _A (485_A)
  • Black --- ground (GND)
  • Bare wire --- shielded wire

SS316L Online Chemical Oxygen Demand Sensor Meter With Internal Rotating Brush 0


Contact Details

Phone Number : +86 181 8242 9986

WhatsApp : +8618182429986