Hanna Instruments HI 98129 Combo PH/EC/TDS Tester

The HI-98129 offers the ability to measure conductivity, total dissolved solids (TDS), pH and temperature all in one compact pocket meter. The dual level display shows the pH or Cond/TDS reading together with thetemperature of the solution. The meter itself is fully waterproof and even floats to aid retrieval.

This is the tester we use in-house for our service department, and we love the easy and accurate results.