Built-in multiparameter sensors measure Air Velocity, Heat Index, Wet Bulb Globe Temperature (WGBT), Humidity, Ambient Temperature, Dew Point, Wet Bulb, Temperature, and Windchill MIn/Max/Average (5sec/10sec/13sec) Data Hold, Auto Power Off with disable Replaceable Mini impeller (vane) Complete with CR2032 battery One-year warranty
Compact indoor/outdoor meter for measuring up to 7 environmental parameters
Extech's AN25 pocket-sized Heat Index Pen monitors Heat Index during hot humid days to prevent heat stress during outdoor activities, sporting events, or in stifling indoor conditions. It measures Relative Humidity, Temperature, Dew Point, Wet Bulb and WBGT, as well as Air Velocity and Windchill. This pen-sized and versatile meter conveniently fits into your pocket.