Humidity, Wet Bulb, Dewpoint, Delta T and more - the ultimate wind meter for forestry, agriculture, first responders and other professionals

All the features of the WM-100 and WM-200 plus - Relative Humidity, Dewpoint, Wet Bulb & Delta T making this a comprehensive tool for forestry, agriculture and emergency management professionals. Humidity sensor does NOT require adjustment - it is self-calibrating.

Key Features

• Current wind speed
  
• Average wind speed (5, 10, 13 seconds)
  
• Maximum wind speed
  
• Mph, Knots, Km/h, BF, ft/min, m/s
  
• Tripod fitting
  
• Fits wind tunnel accessory
  
• Case built to military specification
  
• Replaceable Lithium battery, CR2032
  
• Wind vane assures you are on wind’s axis
  
• Wind speed accuracy +/- 3% from .8-89mph
  
• Wind speed range to 135mph
  
• Size 5.5” x 1.75” x .75” closed
  
• Weight 3.2oz with battery
  
• Auto shutdown
  
• Digital wind direction in degrees and compass points
  
• Cross and head/tail wind readings
  
• Temperature in F or C
  
• Windchill
  
• Backlight
  
• Digital compass accuracy +/- 2°
  
• Temp accuracy +/- 1.8° F
  
• Relative Humidity (self calibrating sensor)
  
• Wet Bulb
  
• Dewpoint
  
• Delta T
  
• AccuWeather.com patented Comfort Index
  
• Jackknife case allows most accurate temp & RH readings
  
• RH accuracy +/- 3%
  
• Wet Bulb, Dewpoint accuracy +/- 3.6° F