OHAUS Portable pH Meter

Starter 300pH

Convenient Portable pH Meter for Wherever Your Work Takes You

  • Each time the meter is calibrated, icons appear on the display to confirm the accuracy of the calibration process so you can ensure accurate measurement
  • Auto buffer recognition stores calibration data and helps to avoid errors during the calibration process
  • Automatic and manual temperature compensation helps ensure accurate readings




300 Meter (with IP54 Sets, Electrode Clip, Wrist Strap and 4 AAA Batteries)


ST300-B, ST320 3-in-1 Plastic Gel pH Electrode, and pH Buffer Powder Sachet


ST300-B with ST320 3-in-1 Plastic Gel pH Electrode, pH Buffer Powder Sachet, and Portable Bag