Price : $113.99
Brand : Ambient Weather

Ambient Weather WM-4 Handheld Weather Station w/ Windspeed, Direction, Temperature, Humidity, Compass, Dew Point, Comfort Index, Psychrometer


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 IndexTM

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


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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