Polarographic DO benchtop meter, water resistant with 8-pin DIN connector for DO and ATC.

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Dissolved Oxygen benchtop meter with extra large LCD display for ease of use. The meter uses polarographic type sensor with replaceable membranes and programmable pressure compensation, 600 to 1000 mBar and salinity compensation, 0 to 40.0 ppt. Communications is via. Features dual LCD displays for DO and temperature. ATC is a 10k thermistor. Power is 100 ~ 240 VAC or by battery.

  • Clear, large LCD display (4 1/8 x 3 1/16 in.).
  • Clear LCD displays DO % saturation or DO as ppm, simultaneously with temperature.
  • Automatic temperature compensated (ATC) DO readings.
  • User selectable salinity and pressure compensated DO readings.
  • Works with accurate and reliable polarographic DO probe.
  • Convenient one point calibration for DO calibration data is stored in memory and is ready for use on power up.
  • Intuitive operation with membrane keypad with tactile and audio feedback.
  • Splash resistant case is made with durable, reinforced plastic for added protection. protective covers for connectors are included.
  • Large LCD is offset for improved protection against unintentional damage.
  • Smaller case does not clutter valuable desk space.
  • 8pin DIN connector for DO and thermistor.
  • AC adaptor or battery power.


DO Range (ppm / DO% saturation)
0.00 to 20.00 ppm / 0.0 to 200.0%
DO Resolution (ppm / DO% saturation)
0.01 ppm / 0.1%
DO Accuracy (ppm / DO% saturation)
± 0.2% F.S.
Temperature Range
-6.0 to 50.0 °C
Temperature Resolution
0.1 °C
Temperature Accuracy
± 0.3 °C
Salinity Compensation
Manual 0.0 to 40.0 ppt
Pressure Compensation
Manual 600 to 1100 mbar
Sensor Type
Thermistor 10k ohm at 25 °C
Calibration Backup
Audio Feedback
All touch keys
LCD Character Size (Main, Temperature)
21 x 16 mm high LCD
Power Supply
100 ~ 240 VAC adapter or AA x 6
Ambient Temperature Range
0 to 50 °C
Relative Humidity
Up to 95%
Dimensions (w x d x h )
165 x 230 x 80 mm
650 grams (excluding batteries)

Documentation and Supports