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.

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