SM-1 HM Digital In-Line Single TDS Monitor

Ideal for monitoring the performance of a home RO water treatment system.

The SM-1 is provides an easy to read single line TDS monitor that provides a digital readout. It is ideal for any water filtration system, including reverse osmosis systems, coolers and much more.

Features of HM Digital SM-1 Total Dissolved Solids Meter

• Displays TDS level of a single water line
• Efficient and accurate
• Auto-Off function conserves battery power. (Shuts off automatically after 10 minutes of non-use)
• Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
• Installs quickly and easily

Note: This model requires a tee fitting (sold separately) for installation. Recommended Fitting for 1/4" Tube F-4UT44QC

*The SM-1 has a 3 digit display. For measurements of 0-999 ppm, the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10pm, and is indicated by a blinking x10' image.)

SM-1 Specifications