TDS Meters

HM Digital EZ TDS meter tests the TDS (total dissolved solids), which is an indicator of water quality. Product Features Measures TDS Tests TDS (total dissolved solids), an indicator of water quality Water-resistant housing Entire housing...

The HM Digital DM-1 in-line dual TDS monitor allows you to monitor both the untreated water and the purified water and compare the two. The TDS, displayed on the LCD screen, is measured up to 9990 ppm, and the meter comes pre-calibrated and ready to...