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Ambient Weather WM-4 Handheld Weather Station w/ Windspeed, Direction, Temperature, Humidity, Co

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Features: Current wind speed, Maximum wind speed, Average wind speed Wind measurement units: knots, mph, kph, feet/minute, meters/second, Beaufort Wind direction in degrees and compass points Calculates cross wind, head/tail wind Current temperature (°F or °C) Current dew point (°F or °C) Current wet bulb (°F or °C) Current wind chill (°F or °C) Current relative humidity (%RH) Current Delta T® patented Comfort Index™ USA fluxgate compass Swiss-made impeller Lifetime calibrated Swiss-made humidity sensor Backlit LCD display Auto shutoff after 5-min Threaded for tripod mounting Pocket-knife design to protect unit when not in use Adjustable lanyard Water resistant and floats Specifications: Wind speed range: .8-89 mph Wind speed accuracy: ±3% when aligned with winds axis Current wind response time: 1-sec Avg wind response time: over 10 sec Max wind response time: 1-sec Cross wind head/tail wind response time: 5 sec Wind direction response time: 1 sec Temperature range: -20° to +158°F Temperature accuracy: ±1.8°F Temperature response time: 1 min Dew point range: -20° to +158°F Dew point accuracy: ±3.6°F Dew point response time: 1 min Wet bulb accuracy: ±3.6°F Wet bulb range: 32° to 100°F Wet bulb response time: 1-min Wind chill range: -50° to +50°F Wind chill accuracy: ±1.8°F Wind chill response time: 1 sec Rel. humidity range: 5-95% Rel. humidity accuracy: ±3% Rel. humidity response time: 1 min Delta T response time: 1-min Compass accuracy: ±2° Compass range: 0 to 360 Compass response time: 1 sec Other Specifications: Power: CR2032 Lithium battery (included and replaceable) Dimensions: 5.5" x 1.75" x .75"

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