Hanna Instruments HI98127 pHep®4 pH/Temperature Tester with 0.1 pH Resolution

Hanna’s pHep®4 is a state-of-the-art, ergonomic, waterproof pH and temperature tester that measures from -2.0 to 16.0 pH with 0.1 pH resolution and accuracy of 0.1 pH. Automatic temperature correction and one- or two-point calibration are characteristics of pHep®4.

  • Waterproof
  • Replaceable pH Electrode
  • Automatic Two-Point pH Calibration


  • Waterproof casing designed to float if dropped in water
  • Expanded pH Range from -2.0 to 16.0 pH
  • Automatic Temperature Compensation, displays temperature in °C or °F
  • Stability indicator confirms the reading has stabilized
  • HOLD button for easier measurement recording/p>
  • Battery Error Prevention System (BEPS)
  • Automatic shut-off with three user-controlled settings