sale Quick view Advantage Controls Hantron Digital HT-3P Conductivity TDS Tester | Advantage Controls, Guaranteed InStock MSRP: $987.30 $712.01 Conductivity is the capability of water to pass electricity. This capability is entirely a function of ions dissolved in the water. Today, various types of TDS (Total Dissolved Solid) testers are... MSRP: $987.30 $712.01 Add to Cart The item has been added Add to Wish list