A portable dew point meter by Vasthi Instruments is a hand-held, lightweight, 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 a moisture measuring range of 0-23000 ppm. The device has an incredible battery life, up to 20 hours on a single charge. The instrument is assembled in a rugged handheld IP65-protected plastic enclosure and equipped with quick-disconnect tubing couplings and an internal sensor manifold. FEATURES : Microprocessor-based portable battery-operated instrument. Digital Graphical Display Measuring range -100 to +30C dew point Et other ranges also available on client requirement Samples compressed air up to 12 Kg/cm. Pressure and up to 95C temperature can be measured directly. Quick disconnect fitting, desiccant test. Handy and lightweight. Inbuilt thin film water vapor sensor. Optional RS 232 computer interface & data logger. Ordering information with RANGES Model VD42-H2 Measuring Range: -40C to +30C Model â?? VD62-H2 Measuring Range: -60C to +30C Model â?? VD82-H2 Measuring Range: -80 C to +30 C Model â?? VD92-H2 Measuring Range: -110 C to +30 C