HM Digital COM-100 Waterproof EC/TDS & Temperature Meter MA911B/2 Factory Calibrated — Calibrated with

Factory Calibrated — Calibrated with 342 ppm NaCl solution

Longer 6-month lifespan (vs

This 3-pack combo provides everything you need for one full year:

Cleaning is a fast and effective routine that should be performed on a regular basis as a preventative measure against using a dirty electrode and to ensure that the junction is not clogged

Hand-washable

HM Digital COM-100 Waterproof EC/TDS & Temperature Meter MA911B/2 Factory Calibrated — Calibrated withHM Digital COM 100: Waterproof Professional EC TDS Temperature Meter The COM 100 is a professional grade EC TDS Temperature meter engineered for precision water quality testing across demanding applications from hydroponics and aquaculture to laboratory analysis, water purification, pools, spas, and industrial water treatment. Key Features Measures Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity, and Temperature 4 Measurement