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 cooling towers and filtration and purification systems.
HM Digital COM-80 Electrical Conductivity (EC) and TDS Tester
$42.95
Instock
Measures electrical conductivity (EC), total dissolved solids (TDS). Exellent for nutrient testing.
Four scales: EC: µS, mS; TDS: ppm, ppt
Automatic Temperature Compensation (ATC)
Water resistant
