TDS purity monitorHM Digital offers the PM-1 TDS Purity Monitor for coolers and enclosed water purification systems. The monitor is easily installed within a casing and alerts users with a warning light and optional audible alarm when the system needs servicing or filter replacment, based on the adjustable TDS set point. The PM-1 runs on 110/220V AC power and includes a single TDS sensor. The monitor was designed in the US and is manufactured in Korea and China.firstname.lastname@example.org
HM Digital Inc.