pH/Temperature tester pHep 4 (Code: HI98127)


When Hanna introduced its first version of the pHep (pH electronic paper) in 1986, its immediately revolutionized the standard in pH measurement. The pHep’s ease-of-use in combination with its affordability made it possible for non-technical end technical personnel alike to measure pH on the spot. No more difficult to read and unreliable pH test strips. Electronic measuring, measuring correctly with the pH testers.

Since its introduction, over 1 million pHeps have been used by satisfied customers around the world. These testers are ideal for measuring pH in spas, swimming pools, aquariums and other non-industrial or dirty applications.

We at Hanna have always valued the comments and suggestions coming from out customers. With their input, we have included all of the features they have asked for and more! The pHep 4 include features such as an dual-level LCD, battery level indicator, replaceable pH electrode cartridge, stability indicator, automatic shut-off and automatic calibration all in a waterproof casing that floats.

Range pH -2,0 to 16,0 pH
Temperature -5,0 to 60,0°C / 23,0 to 140°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 1 or 2 points with 2 sets of standard buffers
(pH 4,01 / 7,01 / 10,0 or pH 4,01 / 6,86 / 9,18)
Temperature Compensation automatic
Battery Type / Life (4) 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 (without probe) 163 x 40 x 26 mm (6,4 x 1,6 x 1,0")
Weight 100 g (3,5 oz.)
Manufacturer: Hanna Instruments
Price: EUR 118,58
Incl. 21 % TAX plus shipping
Weight: 0,145 Kg
Measuring devices
Parameter: pH
Test method: Potentiometry
Sector: Agriculture and horticulture
Color: Red