HM Digital COM-100 Waterproof EC/TDS & Temperature Meter MA911B/2 This 3-pack combo provides everything

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

How to Use:

With its shielded cables and diagnostic messaging this robust device is ideal for Reverse Osmosis (RO)

Hand-washable

Longer 6-month lifespan (vs

HM Digital COM-100 Waterproof EC/TDS & Temperature Meter MA911B/2 This 3-pack combo provides everythingHM 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