Hanna pHep 4 With Replaceable Electrode (HI 98127)

The first pHep, launched in 1986, revolutionised pH measurement by providing everyone with a simple, inexpensive pocket pH tester

Hanna HI 98129 pH/Conductivity/TDS Tester

The HI 98129 is a waterproof tester that offers high accuracy pH, EC, TDS and Temperature measurements in a single tester. No more switching between meters for your routine measurements. These floating, waterproof testers have a large easy to read dual level LCD and automatic shut off. pH, EC and TDS readings are automatically temperature compensated.

Hanna Digi Pool Tester (HI-98121) is a pH, ORP and Temperature Readings in ONE Tester !

The HI-98121 is a waterproof pH, ORP and thermometer. The housing of these testers have been completely sealed against humidity and are designed to float.

The exposed stainless steel temperature sensor on these models facilitates faster and more accurate temperature measurements.

Supplied with a FREE Chlorine Conversion Table

The industry's most popular pocket-sized pH tester a the cost of a few rolls of litmus paper.