General Tools 9-in-1 Thermo-Hygrometer Pin/Pinless Moisture Meter with Probe and Carry Case RHMG650 - The Home Depot

Since 1910, General Tools has grown to become a recognized industry leader for specialty hand tools and instruments. The General Tools Multi-Function Thermo-Hygrometer with Pin/Pinless Moisture Meter can measure 1) ambient temperature, 2) relative humidity (RH), 3) absolute humidity (in mg/L or g/m3), 4) GPP (mixing ratio in grains per pound or g/kg), 5) relative moisture level using pinless sensor, 6) absolute moisture level using included pin-type probe, 7) dew point, 8) atmospheric pressure and 9) vapor pressure. It's ideal for water damage restoration contractors, facility maintenance professionals and HVAC system installers/technicians