Kestrel

0845NV Tan Kestrel Wind Meter 4500NV - Tan w/ NV backlighting

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  • $394.95


For years customers have been asking for wind direction along with wind speed in a hand held portable weather station. The Kestrel 4500 Pocket Weather Tracker does just that with its built in digital compass. But it doesn’t stop there. It also calculates crosswind and headwind/tailwind with reference to a user-set target heading, and stores the information along with all the other environmental readings in its 2000 data point memory.

The Kestrel 4500 NV (Night Vision) versions have a night-vision preserving backlight, which helps sustain the user's natural night vision. The backlight is also much dimmer than a standard backlight, making it more difficult to detect with the naked eye during night operations. The NV unit cases are available in Olive Drab or Desert Tan.

Kestrel Models with Wireless Bluetooth TechnologyKestrel 4500 models with wireless Bluetooth technology offer the ultimate in portable and accurate environmental data. Now, both real-time and logged data can be transferred wirelessly and automatically to a laptop or PDA. Wireless data transmission eliminates the need for a separate interface and cabling. Includes custom communication software designed to quickly and easily configure your data transmission frequency, download logged data, graph data, and transfer data to other applications. Data transmission range adjustment allows you to maximize power to communicate with your Kestrel within a 30 foot range, or reduce power for closer, more secure operation. Individual unit ID’s ensure you pair with the Kestrel you want, even when more than one system is operating in the same area. Permanently coded unique 4-digit Pin numbers provide extra security when pairing and transmitting data.

Features:
  • Barometric Pressure & Trend
  • Altitude & Density Altitude
  • Relative Humidity & Dew Point
  • Wind Chill & Heat Stress Index
  • Wet Bulb Temperature
  • Air, Water, & Snow Temperature
  • Current & Average Wind Speed
  • Maximum Wind Gust
  • One-button clear and restart of Max Wind Gust and Average Wind measurement
  • Digital compass provides direction and stores data with wind speed
  • Automatic Crosswind calculator
  • Headwind/Tailwind speeds
  • Waterproof & Floats
  • Manual data capture
  • Automatic Data Storage
  • Customizable Data Storage - chart up to 2,000 measurements
  • Auto data storage interval settable from 2 seconds to 12 hours
  • Minimum, maximum, average and logged history stored and displayed for every measured value
  • Automatically store measurements, even when the unit is turned off
  • Manually store measurements with the press of a button
  • Data Upload with optional PC interface and provided software
  • Optional RS-232 connection with USB adapter available
  • Aviation green electroluminescent backlight (Kestrel 4500)
  • Night-vision preserving electroluminescent backlight (Kestrel 4500 NV). Backlight incorporates optical filter to reduce overall brightness and minimize blue and green spectrum light to preserve night vision. Please note: This backlight appears soft greyish pink, not "red," and is still in the visible spectrum, so is not compatible with night-vision equipment.
  • Choice of automatic or manual backlight activation
  • Real-time hours:minutes:seconds clock, calendar, automatic leap-year adjustment
  • User-selectable auto shutdown: 15 or 60 minutes with no keypresses or disabled
  • Five Languages: English, French, Spanish, German, and Italian
  • User-replaceable Impeller
  • Flip-top Impeller Cover
  • Soft Carry Case
  • Wrist and Neck Lanyards
  • Five-year warranty from the manufacturer
Specifications:
  • Wind Speed (sample every 1 second)
    • 0.4 to 60 m/s (0.1 resolution, 3% accuracy)
    • 59 to 11,948 ft/min (1 res, 3% accuracy)
    • 1 to 218 km/h (0.1 resolution, 3% accuracy)
    • 0.8 to 135 mph (1 resolution, 3% accuracy)
    • 0.6 to 118.3 kt (0.1 resolution, 3% accuracy)
    • 0 to 12 Beaufort (0.1 res, 3% accuracy)
  • Temperature (sample every 1 second)
    • -20.0 to 158.0 °F (0.1 res, 1.8 °F accuracy)
    • -29.0 to 70.0 °C ( 0.1 res, 1.0 °C accuracy)
  • Relative Humidity (sample every 1 minute)
    • 0.0 to 100.0 % (0.1 res, 3.0 %RH accuracy)
  • Barometric Pressure (sample every 1 second)
    • 8.86 to 32.48 inHg
      (0.01 resolution, 0.05 inHg accuracy)
    • 300 to 1100 hPa / mb
      (0.1 resolution, 1.5 hPa / mb accuracy)
    • PSI (0.1 resolution)
  • Altitude ( sample every 1 second)
    • -6000 to 30000 ft (1 res, 50 ft accuracy)
    • -2000 to 9000 m (1 res, 15 m accuracy)
  • Wind Chill (sample every 1 second)
    • -49.0 to 257.0 °F (0.1 res, 1.8 °F accuracy)
    • -45.0 to 125.0 °C (0.1 res, 1.0 °C accuracy)
  • Heat Index (sample every 1 minute)
    • 0.0 to 100.0 %RH, -49.0 to 257.0 °F
      (0.1 resolution, 3.6 °F accuracy)
    • -0.0 to 100.0 %RH, -45.0 to 125.0 °C
      (0.1 resolution, 2.0 °C accuracy)
  • Dew Point (sample every 1 minute)
    • 0.0 to 100.0 %RH, -49.0 to 257.0 °F
      (0.1 resolution, 3.6 °F accuracy)
    • 0.0 to 100.0 %RH, -45.0 to 125.0 °C
      (0.1 resolution, 2.0 °C accuracy)
  • Wet Bulb (sample every 1 minute)
    • -49.0 to 257.0 °F, 0.0 to 100.0 %RH,
      8.86 to 32.48 inHg
      (0.1 resolution, 3.6 °F accuracy)
    • -45.0 to 125.0 °C, 0.0 to 100.0 %RH,
      300.0 to 1100.0 hPa
      (0.1 resolution, 2.0 °C accuracy)
  • Density Altitude ( sample every 1 second)
    • FT: -49.0 to 257.0 °F, 0.0 to 100.0 % RH,
      8.86 to 32.48 inHg (1 res, 246 accuracy)
    • M: -45.0 to 125.0 °C, 0.0 to 100.0 %RH,
      300.0 to 1100.0 hPa (1 res, 75 accuracy)
  • Power requirements: 2 AAA Alkaline batteries (included)
  • Battery life: ±400 hours, depending on backlight use