We are offical factory distributors of HM Digital products, buy the real product with confidence.
 
In-line Single TDS Monitor
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:
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.
Comes equipped with one 1/4 inch T-fitting
Installs quickly and easily
 
Uses:
TDS measurement is a key indicator of filtration performance, this sensor is easily integrated into any new or existing RO unit for instant understanding of filter performance.
 
Contact us if you have any questions, we are happy to help and provide installation advice etc.