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.
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