The AHT-9237 is a pen-type temperature and humidity meter with an LCD display which simultaneously displays temperature and humidity. The sensors are located in a protective grille, making the instrument ideally suited for taking measurements in air streams. 0 to 50C x 0.1, 20% to 100%RH x 0.1% Displays temperature in C or F Simultaneous display of humidity and temperature Large 58 x 12mm LCD display Min/max memory for both temperature and humidity Impact-resistant ABS case with integrated sensors and protective grille Sensor grille opens and closes to protect the sensors when not in use Supplied with hard storage case and battery