HM Digital Waterproof Testeur PH et Température

HM Digital COM-300 Waterproof Professional Series pH/EC/TDS/Temp Meter

HM Digital COM-300 pH/TDS/EC/Temp Meter

HM Digital COM-80 + PH-80 Meter COMBO PH TDS EC PPM Pocket Tester

Find data hold measurement tools with fast return and fast delivery. The tds meter has automatic temperature compensation in the measurement mode.

HM Digital TDS EC Meter Temperature 3 in 1 Water Quality Tester Data Hold Measurement Tools COM-100 With Automatic Calibration

HM Digital PH-80 pH & Temperature Water Test Meter

Eco HM Digital pH Tester - Dilution Solutions

pH-200 - HM Digital pH-200 Waterproof pH and Temperature Meter, Digital Water Tester

HM Digital COM-300PK pH / EC / TDS / Temp Meter Pro Kit - TDS / EC - Water Quality Tester

The HM Digital ORP-200 ORP Meter Water Tester with Temperature Gauge is a water tester used to test the Oxidation Reduction Potential (ORP) in your water supply. It also tests the temperature of water, and features Automatic Temperature Compensation (ATC).

HM Digital ORP-200 Waterproof ORP Meter

Measures pH and Temperature One-touch automatic digital calibration Water resistant Simultaneous temperature display

HM Digital PH-80 pH Meter Waterproof PH80 Tester HydroTester

HM Digital HM-100 Continuous pH/EC/TDS/Temp Monitor – Carbon Bulk Sales

HM Digital Pro COM-300 pH TDS EC Temp Meter

HM Digital - handheld tests TDS + temp

The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for hydroponic nutrient testing.

HM Digital COM-80: EC/TDS Hydro Tester

HM Digital HMDPH200 Waterproof PH & Temperature Meter