Digital Online Water Quality Tester Dual Probe TDS Meter LCD DM-2 EC Monitor Inlet Outlet Detection for Tap Water Fish Tank

Good luck with your favorite purchasesDigital Online Water Quality Tester Dual Probe TDS Meter LCD DM-2 EC Monitor Inlet Outlet Detection for Tap Water Fish Tank Model: DM-1 Dual channel TDS detector (without tee) Measuring range: 0.00-9990PPM, automatic *10 above 999PPM Resolution: 1PPM (0-999PPM); 10PPM (1000-9990PPM) Accuracy: ±2% Power supply: 2*1.5V (button battery) Rear installation: with Velcro / with hanging plate

Model:DM-2EC Dual Channel EC Monitor Measuring range: 0.00-9990us Resolution:1us Power supply: 2#5 battery

DM-2EC EC Detector DM-1 Dual channel TDS detector