Ohaus Starter Portable Dissolved Oxygen Meter - ST300D-G

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Ohaus Starter Portable Dissolved Oxygen Meter - ST300D-G

Ohaus Starter Portable Dissolved Oxygen Meter - ST300D-G


New product

  • 300D meter and complete kit with carrying bag
  • Portable IP54 protected DO meter
  • Compact and ergonomic design
  • Quickly toggle between ppm, mg/L and percentage
  • Size: 90 x 150 x 35mm
  • Ships in 1-2 days

1 year warranty  ohaus authorized dealer  new ohaus starter portable meter


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Our Price: $528.70

Brand: OHAUS

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Ohaus Starter Dissolved Oxygen Portable Meter - ST300D-G

The OHAUS ST300D portable DO meter offers convenience, reliability and durable construction in an ergonomic compact design. Intuitive software and a well-organized display make the Starter 300D user friendly. A built-in retractable stand provides an additional level of convenience. A clear LCD screen and five clearly marked keys offer simplicity for novices and professionals alike. IP54 protection shields the portable ST300D dissolved oxygen meter from damage by dust and water. Toggle quickly between ppm, mg/L and percentage with just a push of a button. Starter 300D provides accurate and reliable dissolved oxygen measurement that is critical to aquatic life and water quality.


OHAUS ST300D-G includes: 300D Meter, electrode clip, wrist strap, STDO11 Galvanic DO Electrode, STTEMP30 Temperature Electrode, Portable Bag and 4 AAA batteries.

Ohaus Starter Portable DO Meter ST300D Kit

Ohaus ST300D-G Portable DO Meter Features

  • Ergonomic compact design
  • Built-in retractable stand
  • IP54 protection against dust and water
  • LCD display
  • User-friendly software and clearly marked keys
  • Portable dissolved meter requires little training to use
  • Push-button toggling between ppm, mg/L and percentage
  • Each time the meter is calibrated, icons appear on the display to confirm the accuracy of the calibration process

Starter ST300D-G Portable DO Meter Includes

  • 300D portable meter
  • STDO11 Galvanic DO Electrode
  • STTEMP30 Temperature Electrode
  • Electrode clip
  • Carrying case
  • Wrist strap
  • 4 AAA batteries
  • 1 year warranty on meter

Ohaus Starter ST300D-G Portable DO Meter Specifications

Measurement Range

0.0 – 199.9%; 200 – 400%

0.00 – 19.99; 20.0 – 45.0 mg/L

0.00 – 19.99; 20.0 – 45.0 ppm

0 – 50 °C


0.1%; 1%

0.1 mg/L; 1mg/L

0.01 ppm; 0.1 ppm

0.1 °C

Barometric Range

375 – 825 mmHg

500 – 1100 mbar

500 – 1100 hPa

Barometric Resolution

1 mmHg

1 mbar

1 hPa

Error Limits

± 1% ; ± 0.3 °C


1 or 2 Points

100% and 0%


30 Measurements

Last Calibration Data

Power Supply


> 500 Operating Hours


90 W × 150 D x 35 H mm / 0.18 kg

(Without Batteries)



Cinch, NTC 30 kΩ

Temperature Compensation


Salinity Compensation

0.0 to 50.0 ppt

IP ProtectionIP54
Housing ConstructionABS
Brand and ModelOhaus ST300D-G
Warranty1 year on meter

Electromagnetic Compatibility: FCC Part 15 Class B; ICES-003 Class B

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