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UV Led Light water Biological Oxygen Demand Meter Modbus 2 Point Calibration

Basic Information
Place of Origin: China
Brand Name: Desun Uniwill
Model Number: DS-500
Minimum Order Quantity: 0~100 pcs
Price: $1000.00 - $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
Model: DS501 (1 Mm Gap) Measuring Range: COD 2.5 ~ 10,000 Mg/l Equiv. KHP
Application Field: Industrial Process Control Power Supply: 12VDC+/-5%
Output Signal: RS485/Modbus Accuracy: 0.01mg/L COD
Calibration: 1 Or 2 Point Calibration Housing Material: SS316/Titanium Alloy
High Light:

Uv Biological Oxygen Demand Meter


Led Biological Oxygen Demand Meter


water oxygen sensor Modbus

Product Description

Cleaning surface COD Sensor With Turbidity Compensation And Self-cleaning Brush uv led light source


Special features

  • UV254 sensor Light path. 1mm

  • COD 2.5 to 1000 mg/l 

  • BOD 0 to 500 mg/L

  • TSS 0 to 1000 mg/L

  • +5 to 45 °C;

  • IP68 protection degree.

  • RS-485; MODBUS protocol

  • compatibility 1 or 2 point user calibration

  • UV LED light source

Technical parameters



Output signal

Support RS-485, MODBUS protocol


TOC 1.5 to 410mg/l equiv KHP, COD 2.5 to 1000 mg/l equiv. KHP


0.01mg/L COD

Temperature range

+5 ~ 45°C

IP Grade


Maximum pressure

1 bar


1 or 2 point COD calibration

Power Supply

DC 12V +/-5%, current <50mA (when there is no cleaning brush)

Sensor Size

54*325.5 mm

Cable length

5m (default)

Housing Material

















Common problem



Possible causes


Unstable reading

Connection failure

Reconnect the controller and cables

Cable failure

Please contact us

Measured values are too high, too low, or the values remain unstable

The sensor measurement window is blocked

Cleaning surface




UV Led Light water Biological Oxygen Demand Meter Modbus 2 Point Calibration 0


Contact Details

Phone Number : +86 181 8242 9986

WhatsApp : +8618182429986