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Optical DO Sensor IS820D Fluorescence Method & Auto Cleaning

Self-Cleaning Optical DO Sensor for Wastewater Monitoring IS820D

Industrial DO sensor IS820D with optical fluorescence luminescent method for highly accurate dissolved oxygen measurement. Featuring a wide range (0-50mg/l), automatic self-cleaning brush, and robust stainless steel housing, the DO sensor IS819D significantly reduces maintenance efforts. Ideal for wastewater treatment, particularly aeration basins.
SKU: IS820D Categories: , , Tag:
  • Industrial DO sensor featuring fluorescence luminescent optical method ensures precise dissolved oxygen measurement.
  • Wide measurement range of 0–50 mg/L perfectly suited for demanding wastewater treatment applications such as aeration basins.
  • Automatic self-cleaning brush cleans optical sensor window at user-defined intervals, preventing biofilm growth and extending maintenance intervals.
  • No oxygen consumption and electrolyte-free design eliminates flow restrictions, significantly reducing maintenance and calibration requirements.
  • No interference from hydrogen sulfide, ensuring accurate and stable measurements at all times.
  • Built-in temperature sensor provides automatic temperature compensation, improving measurement accuracy across temperature changes.
  • Digital RS485 output with standard Modbus protocol enables convenient plug-and-play integration with universal controllers.
  • Sturdy 316L stainless steel construction, with optional titanium alloy available for demanding corrosive environments.
  • Highly recommended for wastewater management, aeration systems, and other demanding water quality monitoring tasks.
ParameterSpecification
Measurement PrincipleOptical Method
Measuring Range0 to 50 mg/L or 0 to 500 % saturation
DO Accuracy0 to 20 mg/L: ±1 %; >20 mg/L: ±5 %
Maximum Operating Pressure3 bar
Temperature Range0 to 50 ℃
MountingNPT 3/4 thread, submersible installation
Recommended Power Supply0.1 W (non-brush), 0.8 W (with brush)
Cable Length10 m (default), customizable
Sensor Cap LifespanGuaranteed for one year (under normal use)
IP RatingIP68
Response Time20 s
Sensor InterfaceRS-485, MODBUS protocol
Power Consumption0.1 W
DimensionsΦ48 mm × 197.1 mm
Calibration1-point or 2-point calibration
Sensor Housing Material316L stainless steel (Optional titanium alloy)

Specifications are subject to change without prior notice.

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