REED R6050SD Data Logging Thermo-Hygrometer, includes ISO Certificate Chart Weights & Magnifiers The high quality quartz clock

The high quality quartz clock movement operates on a single AA battery

Projects time & indoor temperature on the wall or ceiling

01 PSI Refer to Ranges for Sensors Employed Pressure User Input (Reference Altitude) Air pressure that would be present in identical conditions at MSL

gold plated connectors throughout

REED R6050SD Data Logging Thermo-Hygrometer, includes ISO Certificate Chart Weights & Magnifiers The high quality quartz clockReal time data logger with integrated SD memory card measures records ambient temperature, relative humidity, dew point, and wet bulb temperatures as well as contact temperature with an integrated Type J Type K thermocouple input. This product includes an ISO Certificate with full Data and Uncertainties.