The Thermohygrometer provides accurate and reliable readings in an ergonomic handheld design. Plus the NIST-traceable precalibration means you get reliable measurements right out of the box, saving you time and money. Ideal for use in laboratories, cleanrooms, warehouses, factories, and storage areas. This meter provides measurements in humidity, dew point, wet bulb, and temperature. Double-molded heavy-duty housing provides superior protection and is ideal for tough applications. The meter can also measure in absolute humidity grains per cubic feet or per cubic meters. View measurements in low light areas with large triple digit backlit display. Meters feature Min/Max and Hold functions, user-selectable temperature readout in °F or °C, integrated humidity and temperature sensor, and auto power-off.