HM Digital SM-1 TDS Monitor
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HM Digital SM-1 TDS Monitor


Only $29.95 per Filter
Retail: $389.90 /ea
You Save: 23%
As low as
Retail: $389.90
You Save: 23%
Special Order. Ships in 5 to 6 business days.

The HM Digitial SM-1 TDS Monitor is the correct product for the following applications:

  • Any water filtration system
  • Reverse osmosis systems

The HM Digital SM-1 TDS Monitor is an inline TDS monitor that can be used to electronically test your water for total dissolved solids. The HM digital SM-1 TDS meter comes factory calibrated with a 342 ppm NaCL solution, meaning that you can expect reliable results.

The HM Digital SM-1 TDS Monitor is quickly and easily installed. This monitor also comes with the patented Mur-lok Quick-Connect T-fitting. The SM-1 is battery powered and features an auto-off function that will conserve the life of your battery.

HM Digital SM-1 Specifications:

  • Contains 1 monitor
  • Fittings: 1/4" standard
  • Includes 2 x 1.5V button cell batteries
  • Batteries feature 1000 hours of continuous use
  • Product Dimensions: 2 x .3 x 1.9 inches
  • Product Weight: 2.8 ounces

The HM Digitial SM-1 TDS Monitor is an in-line monitor that will provide you with the most accurate reading of your water quality. This monitor will measure total dissolved solids (TDS), levels and product water lines at the same time. This will compare rejection rates and the effectiveness of your reverse osmosis membrane and water system as a whole.

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