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AP-1: AquaPro Water Quality Tester (TDS)HM Digital’s AquaPro Series, is a handheld water quality tes..
AP-2: AquaPro Water Quality Tester (EC)HM Digital’s AquaPro series, is a handheld water quality test..
With its rugged design and build, the TDS-3 is an ideal meter (tool) that can be used for any applic..
TDS-3 SMART brings whole new functions while holding our iconic original housing.The meter is suitab..
TDS-4: Pocket-Size TDS MeterThe TDS-4 is an ideal pocket meter that can be used for any and all appl..
COM-80: EC/TDS HydroTester SeriesThe COM-80 is easily the most advanced economically priced, reliabl..
COM-100: Waterproof Professional Series EC/TDS MeterThe COM-100 is a professional grade level EC/TDS..
COM-360: Waterproof Professional Series pH/EC/TDS/Temp MeterThe COM-360 is a professional grade leve..