ISO9001:2015 quality certified


KDO300 Online Dissolved Oxygen Analyzer


KDO300 online dissolved oxygen analyzer is an online water quality analyzer developed based on digital water quality analysis platform. Integrated design, using industrial Online electrode, digital, intelligent analyzer design concept. The functions of electrode signal detection, temperature detection, automatic compensation and digital signal conversion are realized in the instrument. RS485 signal output, easy networking, and system integration, widely used in surface water, pollution sources and other industries.

1)    Characteristics

Integrated design, anti-electromagnetic interference.

The industrial online oxygen sensing electrode can work stably for a long time Built-in temperature sensor, real-time temperature compensation Support salinity and air pressure compensation.

Stainless steel case, IP68 waterproof grade, suitable for various working conditions.

RS485 signal output, Standard Modbus protocol, easy integration, networking.

2)    Technical Specifications

Model number KDO300
Measurement parameter Dissolved oxygen, temperature
Method of measurement Polarographic method
Measurement mode Immersion measurement
Measuring range Do: (0 ~ 20) mg/L or (0 ~ 200)%
Temperature: (0 ~ 60) °C
Accuracy ± 0.3 mg/L
Repeatability ± 0.3 mg/L
Resolution 0.01 MGL
Response time ≤30 s
Zero Drift (24h) ± 0.3 mg/L
Range Drift (24h) ± 0.3 mg/L
Accuracy of temperature compensation ± 0.3 mg/L
Calibration period Six months
Temperature range (0 ~ 60) °C
Sample flow rate ≥0.3 m/s
Protection level IP68


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