Professional Waterproof EC / TDS / Temperature Meter – HM Digital (COM-100)

A professional water quality meter designed for accurate measurement of electrical conductivity (EC), total dissolved solids (TDS), and temperature. The COM-100 features automatic temperature compensation (ATC), digital calibration, and a waterproof IP-67 housing, making it ideal for laboratory and industrial applications, reverse osmosis (RO) systems, hydroponics, and aquariums. Supporting multiple measurement scales, it delivers reliable and precise readings even in demanding environments.