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from Asurion, LLC
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3 Year Home Improvement Protection Plan

from Asurion, LLC
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  • COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer's warranty.
  • PRODUCT ELIGIBILITY: Plans cover products purchased in the last 30 days.
  • EASY CLAIMS PROCESS: File a claim anytime online or by phone. Most claims approved within minutes. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.
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Ambient Weather WM-4 Handheld Weather Station w/Windspeed, Direction, Temperature, Humidity, Compass, Dew Point, Comfort Index, Psychrometer

4.3 out of 5 stars 111 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Weather Stations by Ambient Weather

List Price: $200.00 Details
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  • The Ambient Weather WM-4 is a comprehensive handheld weather station, directional compass, heat index monitor and psychrometer, all in one compact, portable, rugged package.
  • The WM-4 measures wind speed, wind direction, temperature, relative humidity and compass direction, and calculates wind gust, dew point, wet bulb and dry bulb temperature, Delta T, wind chill and heat index.
  • The jack knife case design protects the unit, and allows you to hold the case while taking precise temperature meaurements, avoiding false readings from your hand temperature.
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Frequently bought together

  • Ambient Weather WM-4 Handheld Weather Station w/Windspeed, Direction, Temperature, Humidity, Compass, Dew Point, Comfort Index, Psychrometer
  • +
  • Ambient Weather WM-Tripod Universal Portable Mounting Tripod for Handheld Wind Meters
  • +
  • Ambient Weather WM-2 Handheld Weather Meter w/Windspeed, Temperature, Wind Chill
Total price: $159.97
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Product description

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
AccuWeather.com 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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Customer Rating 4.3 out of 5 stars (111) 4.8 out of 5 stars (158) 4.8 out of 5 stars (57) 4.5 out of 5 stars (12052) 4.6 out of 5 stars (6686) 4.0 out of 5 stars (130)
Price $119.99 $149.00 $199.00 $52.80 $169.99 $79.95
Shipping FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details
Sold By Ambient Weather NK Kestrel NK Kestrel Amazon.com Ambient Weather Number 1 In Service
Item Dimensions 6 x 5 x 13.5 inches 1.9 x 1.1 x 4.8 inches 1.89 x 0.43 x 0.75 inches 8.98 x 1 x 5.43 inches 7.5 x 0.75 x 4.5 inches 8.11 x 5 x 1.3 inches

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4.3 out of 5 stars
4.3 out of 5
111 global ratings
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