HM Digital HydroMaster Continuous pH/EC/TDS/Temperature Monitor
The HM Digital HydroMaster continuously monitors pH, EC, and TDS temperature levels. The HM-500 is very accurate and can be calibrated with various buffer solutions, but also features automatic buffer recognition. The HydroMaster also features a rechargeable Lithium Ion battery which is strong enough to power the very bright LCD touch screen which has automatic light detection for low light situations.
Highly Accurate pH/EC/TDS Monitor. The HM-500 continuously monitors pH, EC, and TDS temperature levels.
Adjustable High & Low Alarm. The HM-500 features an adjustable high-low set point and on/off function.
LCD Touch-Type Screen with Auto Back Lighting. The HM-500 features a LCD touch screen which has automatic light detection and can be used in very dark places.
ABS Probes with Platinum Electrodes. The HM-500 ABS probes feature platinum electrodes.
Rechargeable Lithium Battery. The HM-500 includes a rechargeable lithium ion battery.
HM Digital HM-500 User Guide