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HI-98128 Pocket pHep5 Water Resistant pH Tester

HI-98128 Pocket pHep5 Water Resistant pH Tester

HI-98128 Pocket pHep5 Water Resistant pH Tester

HI-98128 Pocket pHep5 Water Resistant pH Tester

Range: -2.00 to 16.00 pH
Accuracy: ±0.05 pH
In Stock
£134.90 (exc. VAT) £161.88 (inc. VAT)

Water resistant, accurate and portable, this handy little pocket meter is a 'go anywhere' pH tester with replaceable electrode. Also designed to float if accidentally dropped into a tank etc.

The meter also features the HI-73127 replaceable electrode with a stainless steel round connector and extendable cloth junction. Replacing is easy due to no pins to line up.

HI-98128 Pocket pHep5 Water Resistant pH Tester information

Hanna's extended description

The HI-98128 has a dual LCD screen that displays pH and temperature readings simultaneously. The exposed temperature sensor provides fast response time and the replaceable pH electrode helps to prolong the life of the meter.

This pocket pH tester is easy to use with a two button operation and offers 0.01 pH resolution and +/- 0.05 pH accuracy.

Main benefits

  • Automatic buffer recognition and calibration
  • Robust, replaceable electrodes
  • Proximity of exposed temperature sensor to pH electrode guarantees greater accuracy in temperature compensated readings
  • Calibrate directly with Hanna buffer solution sachets
  • Battery % displayed on start up with battery error prevention system (BEPS) to support optimum operation

Replaceable Electrode – No need to replace the whole meter when the electrode needs replacing. Spare and replacement electrodes are available for this product.

HI-700601p General purpose cleaning solutions 25 x 20ml sachets

Battery powered – Allows use away from a power source. Batteries are included with all battery operated products.

HI-77400p pH Combination Buffer Solution 4.01 & 7.01 5 x 5 20ml sachets recommended with this product.


Specifications list


Range - pH -2.00 to 16.00 pH
Range - Temperature -5.0 to 60.0°C / 23.0 to 140.0°F
Resolution - pH 0.01 pH
Resolution - Temperature 0.1°C / 0.1°F
Accuracy - pH ±0.05 pH
Accuracy - Temperature ±0.5°C / ±1°F
pH Calibration automatic, at 1 or 2 points with 2 sets of memorised buffers
(pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
Temperature Compensation Automatic
Battery Type / Life 4 x 1.5V with BEPS / approx. 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.)
Web page is very good.

Tester is very good. Video clips help to explain how to use equipment - by Trusted Customer

Simple to order, quick despatch

Great tester, simple and easy to use. Calibration was simple giving reliable results. Unit is waterproof and floats for peace of mind if dropped. - by Trusted Customer

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