HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy sold2025 Best Coating- Ni+Cu+Ni Triple Layer

Best Coating- Ni+Cu+Ni Triple Layer Coated

plunger and spring prevent part loss during maintenance

L125 and L130

metal latch handle and lever fastener

HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy sold2025 Best Coating- Ni+Cu+Ni Triple LayerHM Digital COM 80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0 5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy NEW! The COM 80 is an economically priced, reliable EC TDS meter (ppm pen nutrient tester) that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Also great for commercial applications, such as boilers and