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Ohaus ST400D-B Starter 400D Portable Dissolved Oxygen Meter, 0 to 20 ppm

Model: ST400D-B | Order No: 30378541

The dissolved oxygen (DO) meter comes with a bright and vibrant LCD. Its 99-point memory keeps track of previous readings.

Your Price $481.95 USD
Availability 2 to 3 Weeks

OHAUS ST400D-B Offers

Designed with a 99-point memory, the Ohaus ST400D-B Starter 400D Portable Dissolved Oxygen Meter makes it easy to test sample after sample. The backlit LCD provides a clear view of important measurement details, and the rugged ABS housing helps keep the technology safe. This DO meter is portable, low-maintenance and designed to provide simple, yet accurate, dissolved oxygen readings.


  • Measures dissolved oxygen (DO) for water analysis applications
  • Low-maintenance optical probe provides simple and accurate measurements
  • Portable and sized to fit in the palm of your hand for on-the-go convenience
  • Backlit color LCD screen shows the results clearly in most indoor/outdoor settings
  • 99-point memory and last calibration data recall help you maintain consistency
  • Auto barometric pressure measurement and auto temperature compensation with manual salinity compensation
  • ABS housing with IP54-rated protection against water and dust
  • Equipped to measure a barometric range of 50 to 115 kPa and a temperature range of 32 to 122°F (0 to 50°C)

OHAUS ST400D-B Specifications

Measurement Range0 to 20 ppm
Resolution0.01 ppm
Internal Storage Capacity99 measurement readings
Power SourceBattery powered
Battery TypeAAA
Battery Life12 hours
Number Of Batteries Required4
Product Length6" (150 mm)
Product Width3.5" (90 mm)
Product Height1.4" (35 mm)
Product Weight5.6 oz (0.16 kg)
Click here for complete specifications on the OHAUS ST400D-B

What's included with the OHAUS ST400D-B

  • Dissolved Oxygen Meter
  • Electrode Clip
  • Wrist Strap
  • 4 x AAA Batteries
Waring Laboratory Equipment Supplies

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Customer Reviews for the OHAUS ST400D-B