HM Digital EC-3 Electrical Conductivity Tester with Case beverage analyzer is inexpensive and has an

is inexpensive and has an indefinite shelf life

Replaceable Sensor (model SP-CP)

Built-In Digital Thermometer — Measures temperature from 0–80°C simultaneously with TDS for complete water quality snapshots

Hydroponics and aquaponics nutrient monitoring

This TDS monitor allows for checking TDS levels at 3 points

HM Digital EC-3 Electrical Conductivity Tester with Case beverage analyzer is inexpensive and has anIdeal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times! Features Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto off