Universal Compatibility: Works with all Milwaukee pH and ORP electrodes

repeatable calibration results

Offers 4 timed outlets and 4 always-on outlets

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Wide pH Range: Measures pH 0–13

HM Digital COM-100 Waterproof EC/TDS & Temperature Combo Meter Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC Universal Compatibility: Works with allCOM 100: Waterproof Professional Series EC TDS Meter The COM 100 is a professional grade level EC TDS Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. FEATURES: Measures electrical conductivity (EC), total dissolved solids (TDS), salinity and