Part#: 90335
Weight: 1.7 lbs

Ohaus® Starter™ ST300 Portable pH/ORP Meter & ST320 Electrode

  • Reliable and economical
  • Easy-to-read screen
Price: $472.80
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Need Help? Call 800-548-1234

These versatile meters are perfect for the lab or field—a retractable stand supports the meter on a benchtop, while a wrist strap allows for secure field use. Electrodes can be attached to the electrode clip for stability. Meters are IP54 rated splash- and dustproof. The easy-to-read screen displays measurement, calibration and intuitive icons for electrode and battery status.

Calibrate these meters using one, two or three buffers. Choose from four different buffer sets from the calibration menu. The meter saves the slope and offset of the most recent calibration, which you can recall with a button press. Meters also store up to 30 data sets for later recall. A self-diagnostic check ensures the meter is operating properly.

Meter includes: electrode clip, four AAA batteries, IP54 seal components, wrist strap and manual. 1-year warranty. Meter with electrode also includes: sealed pH electrode with ATC and pH buffer powder set (4.01, 7.01, 10.01). 6-month electrode warranty.

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Tech Specs
  • pH
    Range: 0.00 to 14.00 pH
    Resolution: 0.01 pH
    Accuracy: ±0.01 pH
  • mV
    Range: -1999 to 1999 mV
    Resolution: 1 mV
    Accuracy: ±1 mV
  • Temperature
    Range: 0 to 100°C
    Resolution: 0.1°C
    Accuracy: ±0.5°C
  • Temperature compensation: automatic/manual
  • Ready indicator: yes
  • Slope calculation & display: yes
  • Memory function: 30 data sets; current calibration
  • Power: four AAA batteries