Cooper Atkins TRH122M Mini Temperature / Humidity Instrument, Brand New
Range is 14 to 122 F (-10 to 50 C) and 10 to 99% RH. Temperature accuracy is +/- 2 degrees F from 32 to 104 and +/- 4 degrees elsewhere. Humidity accuracy is +/-5% from 40 to 80% and +/- 7% over the remainder of the range.