Conductivity and Total Dissolved Solids measurements have never been easier. DiST's ease-of-use, in combination with its affordability, make it the standard in EC and TDS measurement.

This pen is waterproof and has a replaceable probe.

Data Ranges and product codes:

HI98311: EC 0 to 3999 μS/cm --- TDS 0 to 2000 ppm by 1ppm

HI98312: EC 0.00 to 20.00 mS/cm --- TDS 0.00 to 10.00 ppt