Hanna HI98107: Waterproof Pocket pH Tester with 0.1 Resolution – pHep®


Key Features

  • Slim, Ergonomic Design
  • Large Multi-level LCD
  • Two-button Operation
  • Integrated Temperature Sensor
  • Automatic Calibration

SKU: HI98107

pH Ranges: 0.0 to 14.0 pH

pH Resolution: 0.1 pH

pH Accuracy (@25°C/77°F): ±0.2 pH

pH Calibration: automatic, two-points

pH Temperature Compensation: automatic, 0 to 50 °C

Temperature Range: 0.0 to 50.0 °C

Temperature Resolution: 0.1 °C

Temperature Accuracy: ±0.5 °C

Automatic Shut-Off: 8 minutes, 60 minutes, or can be disabled

Battery Type / Life: CR2032 3V Li-ion / approximately 1000 hours of continuous use

Environment: 0 to 50°C (32 to 122°F); RH 100% max

Dimensions: 160 x 40 x 17 mm (6.3 x 1.6 x 0.7’’)

Weight: 75 g (2.6 oz.)

Ordering Information: HI98107 (pHep) is supplied with CR2032 battery, electrode cleaning solution sachet, pH 4.01 buffer solution sachet, pH 7.01 buffer solution sachet (2), storage/protection sleeve, instruction manual, and quality certificate.

Warranty: 1 year

Introduction Hanna HI98107

The Hanna HI98107 pHep® is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device.

– Compact design fits right in your pocket so you can take it anywhere.
– Cloth junction provides a larger surface area than a standard ceramic junction
– Great for drinking water, aquariums, pools, & ponds.
The HI98107 features a large multi-level LCD that displays both pH and temperature readings simultaneously. The pH readings are displayed with a 0.1 pH resolution and with an accuracy of ±0.1 pH. The pH range of the HI98107 is from 0.0 to 14.0 pH. An exposed temperature sensor allows for rapid automatic temperature compensated pH measurements. Temperature can be set to display in ℃ or ℉. The LCD screen has stability and calibration tag indicators. The battery percent level is displayed at startup alerting the user to the remaining battery power that is available.

The pH electrode uses a unique reference cell design that utilizes a cloth junction that provides a larger surface area than a standard ceramic junction.

Calibration is performed by pressing the dedicated calibration button. Once in calibration mode, the pH electrode can be calibrated to 1 or 2 points using the pre-programmed standard buffers (pH 4.01, 7.01,10.01). When the standard value is recognized and stability is reached, the meter automatically accepts and stores the calibration value.

Setup options include automatic shut-off timing and the temperature unit displayed. Hanna Hi98107 automatic shut-off options are to turn the water pH meter off after 8 minutes, 60 minutes, or disabled. To enter the setup mode the user presses a button located in the battery compartment.


– Slim, Ergonomic Design

With rounded edges and a case that is only 17 mm (0.7”) thick, the HI98107 is thin and fits comfortably in the hand or pocket.

– Large Multi-level LCD

The LCD is 29 mm (1.125”) x 20 mm (0.81”) allowing the user to easily read both the pH and temperature simultaneously.

– Two-button Operation

One for ON/OFF, the other for calibration.

– Integrated Temperature Sensor

The built-in temperature sensor allows for temperature-compensated measurements. Temperature can be displayed in either °C or °F.

– Hanna Hi98107 Automatic Calibration

Automatic calibration to one or two points using standard buffers (pH 4.01, 7.01, and 10.01).

– Stability Indicator

A clock tag stability indicator will disappear to alert the user when the reading is stable.

– Automatic Shut-off

User-selectable time until water pH meter shuts off to conserve battery life. Options are 8 min, 60 min or disabled.

– Low Battery Indicator

Low battery indicator that is displayed when less than 10% battery life is remaining.

– Battery % Level at Startup

At start-up, all the LCD segments are displayed for 1 second, then the percent indication of the remaining battery life is displayed.


Review Hanna HI98107: Waterproof Pocket pH Tester with 0.1 Resolution – pHep®

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Review Hanna HI98107: Waterproof Pocket pH Tester with 0.1 Resolution – pHep®
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