Discount Water Filters and Air Filters at Discount Filter

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

DM-2 HM Digital Commercial Inline Dual TDS Monitor

More Views

DM-2 HM Digital Commercial Inline Dual TDS Monitor

0 0


The DM-2 is the perfect companion to any reverse osmosis or deionization system. You need to know the inlet and outlet TDS to truly know when to replace your membrane or resin. Simplify this process by installing the DM-2. Designed to be easy enough to install in residential applications, but built tough enough for industrial use, the DM-2 is a highly accurate TDS meter with a very long two year battery life, and large easy to read LCD.

  • Dual sensors to provide both inlet and outlet TDS readings
  • Dual resolution suits the unit to both residential and commercial applications
  • 3 minute auto shut-off to conserve battery life
  • No tool digital calibration of each sensor independently
  • Genuine OEM Product
  • User Guide for HM-DIGITAL-DM-2


Package Qty 1
Used In Brands HM Digital
Manufacturer's Id DM-2
UPC 799705707115
Actual Size (in) 4 3/5 inches (height) x 2 3/5 inches (width) x 7/10 inch (depth)
Actual Size (cm) 11.684 x 6.604 x 1.778
Fitting Type Quick Connect
Fitting Size (inches) 1/4 inch
Power Requirements 2 x AA Batteries (included), Battery Life: Approximately 12 to 18 Months
Additional Information Range: 0-9990 ppm, Calibration: NaCl 342 ppm factory calibrated. Re-calibration can be done separately for each line or simultaneously for both, Conversion Factor: NaCl (avg. 0.5), Cable Length: 46 inches (including sensor), Accuracy: +/-2%


The HM-DIGITAL-DM-2 is comparable with the following part numbers