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  • Measures pH or mV (ORP) plus temperature simultaneously
  • Range:
    • pH: 0 to 14 pH
    • ORP: -1999 to 1999 mV
    • Temperature: 32 to 212°F
  • Accuracy:
    • pH: ±0.04 pH
    • ORP: ±0.5% FS
    • Temperature: ±1.5°F
  • BNC input accepts standard pH or ORP electrodes
  • Manual or Automatic Temperature Compensation (via optional Temperature Probe)
  • Automatic 3-point calibration (4, 7, and 10pH)
  • Data Hold and Min/Max
  • Auto Power Off with disable feature
  • PROBES NOT INCLUDED. Must be ordered separately

What's in the Box

  • 9V battery
  • Soft case

The Extech PH210 pH / ORP meter is a compact, handheld instrument designed to take quick, accurate measurements of pH, ORP plus temperature. It is ideal for applications in laboratory chemical solution testing, waste water and drinking water analysis, aquariums, beverage manufacturing, fish hatcheries, food processing, photography labs, and others.

The PH210 measures pH from 0 14 pH, ORP from -1999 to 1999 mV, and temperature from 32 to 212°F. It includes manual or automatic temperature compensation via an optional temperature as well as automatic 3-point calibration. Test results are displayed on a large, dual LCD display. The meter includes Min/Max and Data Hold functions and auto power off (with disable) to save battery life, which make them perfect for field or home use. These portable meters are easy-to-use, precise, and economically priced to meet your budget.

Probes are not included and must be purchased separately.


Extech pH Buffers
pH buffers for calibrating your Extech pH meter


Extech 601500 Standard pH Electrode
Standard pH Electrode (12 x 160mm) with BNC connection
Extech 60120B Mini pH Electrode
Mini pH Electrode (10 x 120mm) with BNC connector
Extech 601100 Flat Surface pH Electrode
Flat Surface pH Electrode (15 x 106mm) with BNC connector
Extech 850188 Thermistor Temperature Probe
32 to 149°F (0 to 65.0°C) Thermistor probe with 0.1° resolution