HI98127 pHep4 Waterproof pH & Temperature Tester

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The pHep 4 waterproof pH meter from Hanna instruments is ideal for quick pH measurements in almost any application.

With ease of use and automatic calibration, it's great for the first time user, while the accuracy and reliability are enough for even a seasoned pro. This unit sets the standard for pocket pH meters without breaking your budget. 


  • Waterproof and designed to float
  • Automatic Temperature Compensation
  • Automatic calibration
  • Automatic shut-off and hold functions
  • Easily replaceable pH electrode
  • Supplied with the HI73127 electrode, electrode removal tool, batteries and instructions


  • Ranges:
    • -2.0 to 16.0 pH
    • 23.0°F to 140.0°F (-5.0°C to 60°C)
  • Resolution:
    • 0.1 pH
    • 0.1°F (0.1°C)
  • Accuracy:
    • ±0.1 pH
    • ±1°F
  • Calibration: One or two points
  • Power: Four 1.5 V batteries
  • Dimensions: 6.4" x 1.6" x 1.0"
  • Weight: 100 g


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