DescriptionThe RH-USB relative humidity/ temperature sensor provides a standard USB output that directly feeds relative humidity and temperature directly into your PC. The free software displays,datalogs, and graphs the measurements. The compact design is ideal for wall or duct mounting. Each unit is factory calibrated to provide excellent sensitivity, fast response, and stability. The unit features a simple installation with a direct USB connection. The free user software converts your PC into both a humidity and temperature meter, chart recorder or data logger. The design features a 316 SS NEMA 4 (IP66) housing. A mounting kit is also available that allows for wall or duct mounting.