The HM Digital HydroMaster HM100 conveys 3 critical parameters for successful gardening. The HM100 is a versatile continuous monitor that displays pH, EC (S/mS), TDS (.5 (NaCl) / .7 (442)) & Temperature (F / C) providing accurate, reliable readings the user can rely on year after year. The HM100 can be wall mounted for 24/7 monitoring.
Continuous PH/EC/TDS/Temp monitor High and low alarm set points Large, easy-to-read LCD screen AC 110v-220v 50/60Hz power supply Easy-to-use digital calibration Three-year warranty (monitor), Six-month warranty (pH probe) Stores up to 6 measurement readings Replaceable sensors