Portable PH Meter

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  • Waterproof and designed to float
  • Automatic Temperature Compensation
  • Automatic calibration
  • Tactile grip casings
  • HOLD function
  • Automatic shut-off
  • Efficient two button operation
  • Temperature in °C or °F
  • BEPS (Battery Error Prevention System)
  • Battery % displayed at startup

The pHep4 tester is for users that require the greatest accuracy and features while staying economical.

This model has BEPS as well as user selectable automatic shut-off, replacable pH electrode cartridge, stability indicator and automatic calibration.
Order Information:
HI 98127 (pHep4) is supplied with HI 73127 pH electrode, HI 73128 electrode removal tool, batteries and instructions.
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Range pH -2.0 to 16.0 pH
Temperature -5.0 to 60.0°C / 23.0 to 140.0°F
Resolution pH 0.1 pH
Temperature 0.1°C / 0.1°F
Accuracy @ 20°C pH ±0.1 pH
Temperature ±0.5°C / ±1°F
pH Calibration automatic, at one or two points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
Temperature Compensation Automatic
Battery Type / Life 1.5V (4) / approximately 300 hours of continuous use; auto-off after 8 minutes of non-use
Environment -5 to 50°C (23 to 122°F); RH max 100%
Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0")
Weight 100 g (3.5 oz.)
Solutions
HI 70004P 4.01 pH Buffer Solution
(25) 20 mL
HI 70006P 6.86 pH Buffer Solution
(25) 20 mL Sachets
HI 70007P 7.01 pH Buffer Solution
(25) 20 mL sachets
HI 70009P 9.18 pH Buffer Solution
25 x 20 mL sachets
HI 70010P 10.01 pH Buffer Solution
(25) 20 mL sachets
Accessories
HI 73128 Tool for Replacing Probe
HI 73127 Spare Electrode for Testers