HM Digitals Push-to-Test QC-1 TDS monitor is designed to monitor the effectiveness of any water purification and filtration system that removes TDS. Battery-operated and easily installed in minutes, it features eight programmable settings (by dip switch) ranging between one and 50 ppm; the user simply needs to press the button. If TDS levels are below the set point, a green light will be illuminated; if above the set point, a red light indicating service is required will illuminate. Backed by a one-year [email protected]
HM Digital Inc.