A portable dew point meter by Vasthi Instruments is a hand-held, light-weight, portable, and affordable dew point meter that is an easy-to-carry, battery-operated measuring tool. The portable dew point meter has an operating pressure of up to 20 Bar and moisture measuring range from 0 - 23000 PPM Has an incredible battery life, up to 20 Hrs on a single charge. Assembled in a rugged handheld IP65 protected plastic enclosure and equipped with quick-disconnect tubing couplings and an internal sensor manifold.