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SM-28 Skymaster Wind MeterRanked #1 by Practical Sailor & Powerboats ReportNew Skymaster Weathermeter gives you advanced weather information in a convenient pocket-knife design, that will fit in the palm of your hand!Features:Windspeed (Current, Avg, & Max)Temp w/ Windchill & Heat IndexRelative Humidity w/ DewpointBarometric Pressure & 16-Hr History Bar GraphStorm Audio AlarmAltitude Pocket-knife design Replaceable 400 hr battery Replaceable impellerThreaded for tripod mounting FloatsWater resistant to 4"Specs:ACCURACY: +/- 3 percent Windspeed; +/- 2F Temp/Windchill; +/-3 percent rH; +/- 3F Dew Point; +/- 3F Heat Index; +/-3 hpa Barometric PressureRANGES: Wind .4-89 MPH; Temp 5F to +122F; Windchill -22 to +158F; Dew Point -31.2 to +155.8F ; Heat Index +69.8 to +155.8F; rH 0-99%; Barometer 400-1100 hpa; Altitude -600 to 9000 metersOPTIONAL UNITS: Knots, MPH, KPH, M/Sec, Ft/Min, Beaufort Scale - F or C; hpa/mb or inHgRESPONSE 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 BarometerPOWER: CR2032 Lithium battery (included)MEASURES: 5.9 x 2.1 x .85 inWEIGHS: 3.9 oz
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