Hanna Instruments HI98107 pHep Waterproof Pocket pH Tester with 0.1 pH Resolution

The pHep® pH tester from Hanna, model HI98107, provides readings with 0.1 pH resolution, 0.1 pH accuracy, and a pH range of 0.0 to 14.0. With only two buttons to operate, this pocket-sized tester is simple to use in the lab or out in the field. It is durable, dependable, and ergonomic.

  • Extractable Cloth Junction to Extend pH Electrode Life
  • Has Automatic Temperature Compensation
  • For Use in Fresh Water


  • Slim, ergonomic design that fits comfortably in the hand or pocket
  • Automatic temperature compensation, displays temperature in °C or °F
  • Automatic calibration with standard buffers (pH 4.01, 7.01, and 10.01)
  • Stability indicator confirms the reading has stabilized
  • Automatic shut-off with three user-controlled settings to conserve battery life
  • Battery Error Prevention System (BEPS)
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