Ambient Weather WM-5 Handheld Weather Meter w/Windspeed, Temperature, Humidity, Dew Point, Heat Index, Pressure, Altitude
Windspeed (Current, Avg, & Max)<br> Temp w/ Windchill & Heat Index<br> Relative Humidity w/ Dewpoint<br> Barometric Pressure & 16-Hr History Bar Graph<br> Storm Audio Alarm<br> Altitude<br> Pocket-knife design<br> Replaceable 400 hour battery<br> Replaceable plastic impeller won't corrode<br> Comes with lanyard<br> Threaded for tripod mounting<br> High visibility case<br> Floats<br> Water resistant to 4"<br> Accuracy: +/- 3% Windspeed; +/- 2 F° Temp/Windchill; +/-3% rH; +/- 3°F Dew Point; +/- 3°F Heat Index; +/-3 hpa Barometric Pressure<br> Ranges: Wind .4-89 MPH; Temp +5° to +122°F; Windchill -22° to +158°F; Dew Point -31.2° to +155.8°F ; Heat Index +69.8 to +155.8°F; rH 0-99%; Barometer 400-1100 hpa; Altitude -650 to 9000 meters<br> Optional Units: Knots, MPH, KPH, M/Sec, Ft/Min, Beaufort Scale - F or C<br> Response Times: Current Windspeed; Ave. over 2 sec; Ave. Wind 5 sec; Max Wind 2 sec gust; Temp/windchill/rH/dew point 1 min; 15 min sampling Barometer<br> Power requirements: CR2032 Lithium battery (included)<br> Measures: 5.9 x 2.1 x .85 inches<br> Weighs: 3.9 oz