ETI 810-155 Max/Min Therma-Hygrometer with Frost Alarm

The ETI 810-155 Max/Min Therma-Hygrometer simultaneously displays relative humidity and temperature and records maximum and minimum readings. Its internal sensors measure 0 to 49.9 °C and 20 to 99% RH, while the supplied external thermistor probe extends the temperature range to -49.9 to 69.9 °C. An audible frost alert sounds when the remote probe detects 0 °C or below. The 3 m remote probe lead supports monitoring in greenhouses, storage areas and other remote locations. The ABS case includes a foldaway stand and keyhole slot for desktop or wall mounting. Temperature resolution: 0.1 °C/°F; humidity resolution: 1% RH; accuracy: ±1 °C and ±5% RH; dual LCD; one AAA battery; one-year guarantee.