Geneq > Météorologie > Anémomètres portatifs > Vent - mesure de la vitesse
Anémomètre portatif de Speedtech avec senseur d'humidité
Modèle WM-300


The WM-300 is a comprehensive instrument for agriculture, forestry, emergency management and other industry professionals. The Swiss-made humidity sensor is lifetime calibrated! In addition to relative humidity, the unit measures dew point, wet bulb, Delta T, temperature & wind chill. Like the WM-200, it uses a wind vane & a USA-made fluxgate compass for digital wind direction, which also calculates crosswind & head/tail wind readings. Unlike traditional compasses, the WM-300 reads when held vertically and can be used for taking bearings. It also includes our Accuweather.com patented Comfort Index, which is the effect of temp, wind speed, relative humidity & sun intensity on the human body and is superior to Heat Index.
WM-300 can be tripod-mounted and accommodates the Model SM-WT wind tunnel accessory for very precise measurements. All WindMates meet NIST calibration standards and wind speed accuracy tested better than +/- 3%.

Features:
·Current, maximum wind speed
·Average wind speed over 10 seconds
·Wind direction in degrees & compass points
·Calculates cross wind, head/tail wind
·Use as a bearing compass
·Temp/windchill/relative humidity/wet bulb/dew point/Delta T
·Backlight
·Choose any measurement unit
·Reads in tenths
·Replaceable 400-hr Lithium battery
·Easy to read LCD
·Swiss-made impeller components
·Swiss humidity sensor is lifetime calibrated
·USA fluxgate compass
·Threaded for tripod mounting
·Unique pocket-knife design to protect unit when not in use
·Comes with adjustable lanyard
·Water resistant
·Floats

Specifications:

  • ACCURACY:
     Wind +/- 3% when aligned with winds axis
    Temp/Windchill +/- 1.8° F
    Compass +/- 2°
    Relative humidity +/- 3%
    Wet bulb & dewpoint +/- 3.6

  • RANGE:
     Wind .8-89 MPH
    Temp -20° to 158° F
    Windchill -50° to +50° F
    Compass 0 to 360
    Relative humidity 5% to 95%
    Wet bulb 32° to 100° F
    Dew point -20° to 158° F

  • RESPONSE TIMES:
     Current & maximum wind 1-sec
    Avg wind over 10-secs
    Temp 1-minute * Windchill 1-sec
    Wind direction & compass 1-sec
    Cross/head/tail wind 5-sec
    Relative humidity, wet bulb, Delta T, dew point 1-minute

  • OPTIONAL UNITS:
     Knots, MPH, KPH, Ft/Min, M/Sec, Beaufort
    ° F or ° C

  • POWER: CR2032 Lithium battery (included)

  • MEASURES: 5.5 x 1.75 x .75 (closed)

  • WEIGHS: 3.2 oz