HM digital SM-1EC In-line Single EC Monitor

Displays EC 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 (also available in 3/8″ or 1/2″).
Also available without T-fitting (Model Name: SM-1WOF)
Installs quickly and easily