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Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.
HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy
HM DIGITAL COM-100 Waterproof EC / TDS / Temp Combo Meter Tester Handheld Pen for Aquaculture, Labs, Pools & Spas, Ecology Testing,Wastewater Regulation and More
EZO Electrical Conductivity (E.C.) Circuit - Precise Measurements of EC, TDS (Total Dissolved Solids), Salinity & Specific Gravity of Sea Water, Reads Conductivity from Conductivity Probe & Electrode
Hanna Instruments HI1220 EC/TDS Probe with DIN Connector, 240mm Length
Apera Instruments PC60 Premium 5-in-1 Waterproof pH/Conductivity/TDS/Salinity/Temp. Multi-Parameter Pocket Tester, Replaceable Probe
Digital PH Meter - QIYAT 3 in 1 Mini TDS Temperature High Accuracy Drinking Water Quality Tester Resolution Range +/- 0.1 PH Value for Household Hydroponics,Aquariums,Swimming Pools Pond Wine (986)
Scientific Grade Laboratory Testing Conductivity Probe K 1.0 for Water Meter - TDS/Salinity Meter - Measure Conductivity of Soil Sample, Hydroponics Systems, Aquarium - BNC Connector with 1 m Cable.
HM Digital SP-1-PSC TDS - EC Sensor Probe for Panel Mounted Controllers
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