Triplett PH180 Waterproof PH Tester Pen
Triplett PH180 Waterproof PH Tester Pen


The Triplett PH180 (IP57) Waterproof Pen measures pH from 0 to 14 with an accuracy of 0.01 pH and features a flat electrode for solids, semi-solids and liquids. Displays both pH and temperature and has a representative graph showing trends. Includes ATC (Automatic Temperature Control) that compensates for changes in temperature, 1, 2, or 3-point calibration, CAL reminder after 15 on/off cycles and RENEW warning when the probe needs cleaning or replacement. Disabling auto power off (after 10 minutes) saves battery power. Includes meter with flatbed pH probe with protective case, (4) CR2032 batteries, mug with lid and lanyard.

Waterproof PH Test Pen

The Triplett PH180 (IP57) Waterproof Pen measures pH from 0 to 14 with an accuracy of 0.01 pH and features a flat electrode for measuring solids, semi-solids and liquids.

Dual screen

Two displays display pH and temperature simultaneously, with representative graphs showing trends. Auto shut-off after shutdown (after 10 minutes) helps extend battery life.

Automatic temperature control

The PH180 also features ATC (Automatic Temperature Control) that compensates for temperature changes, 1, 2 or 3-point calibration, CAL reminder after 15 on/off cycles and RENEW warning when sensors are cleaned or replaced.


  • Flat electrodes measure solids, semi-solids, and liquids; Measurement ranges from 0 to 14 pH with an accuracy of 0.01 pH
  • ATC (Automatic Temperature Control) compensates for temperature changes
  • Dual display of pH and temperature with analog direction display
  • Single, two or three point calibration with CAL recall after 15 on/off cycles
  • Updated warning when the probe needs cleaning or replacement; Automatic shutdown when disabled (after 10 minutes)

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