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Kestrel 4500 Series Pocket Weather Trackers and Windmeters
Kestrel 4500 Series Pocket Weather Trackers and Windmeters



Kestrel 4500 Series Pocket Weather Trackers and Windmeters

Model: 0845NV

The Kestrel 4500 is the best of the best when it comes to measuring windspeed and direction while tracking the weather.


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$354.00

was $477.00

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Kestrel 4500 Pocket Weather Tracker NV Olive with Bluetooth

Kestrel 4500 Pocket Weather Tracker NV Olive with Bluetooth

$545.00

was $687.00

8 in Stock

Kestrel 4500 Pocket Weather Tracker NV Olive Horus Edition with Bluetooth

Kestrel 4500 Pocket Weather Tracker NV Olive Horus Edition with Bluetooth

$968.00

was $1,034.00

1 in Stock

Kestrel 4500NV Weather Tracker Olive

Kestrel 4500 Pocket Weather Tracker NV Olive

$424.00

was $536.00

1 in Stock

Kestrel 4500 Pocket Weather Tracker NV Olive Horus Edition

Kestrel 4500 Pocket Weather Tracker NV Olive Horus Edition

$817.00

was $857.00

3 Days

Kestrel 4500 Pocket Weather Tracker NV Tan

Kestrel 4500 Pocket Weather Tracker NV Tan

$424.00

was $536.00

1 in Stock

Kestrel 4500 Pocket Weather Tracker NV Tan Horus Edition with Bluetooth

Kestrel 4500 Pocket Weather Tracker NV Tan Horus Edition with Bluetooth

$968.00

was $1,034.00

1 in Stock

Kestrel 4500 Pocket Weather Tracker NV Tan Horus Edition

Kestrel 4500 Pocket Weather Tracker NV Tan Horus Edition

$817.00

was $857.00

2 Days

Kestrel 4500 Pocket Weather Tracker NV Tan with Bluetooth

Kestrel 4500 Pocket Weather Tracker NV Tan with Bluetooth

$545.00

was $687.00

2 Days




For customers who need wind direction along with wind speed. The Kestrel 4500 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 1400 data point memory.

Pair the 4500 Wind Meter with the Kestrel Vane Mount and you have a data-logging weather station that sets up in seconds and rotates in the slightest of breezes. Did we mention that the whole kit is the ultimate in portability? It packs down into a 2 x 6 inch pouch and weighs under 8 ounces.

NV Variant

Military personnel and pilots flying in darkness are often concerned with preserving their night vision. Due to overwhelming demand from military customers, the Kestrel NV line was added in 2005.

The Kestrel 4500NV is available with an Olive Drab case or a Desert Tan body. The unit has a night-vision preserving backlight which helps users to sustain natural night vision. The NV's backlight incorporates an optical filter to reduce overall brightness and minimize blue and green spectrum light to preserve night vision. Additionally, NV backlights are also much dimmer than a standard backlight, making it more difficult to detect with the naked eye in night operations. This backlight appears soft greyish pink, not red, and is still in the visible spectrum, so is not compatible with night-vision equipment.

It takes 30 to 45 minutes for the average eye to adapt to darkness and maximize night vision. Even a short burst of white, yellow, green or blue light "bleaches out" the rod cell photoreceptors in the eye and causes night blindness until the entire adaptation process can take place again. Light in the red spectrum does not cause this "bleaching out", preventing night blindness and night vision fatigue.

The Kestrel 4500 series Measures:

  • Heading (true & magnetic)
  • Wind direction
  • Crosswind
  • Headwind/tailwind
  • Altitude
  • Pressure trend
  • Barometric pressure
  • Wet bulb temperature
  • Relative humidity in %
  • Heat stress index
  • Dewpoint
  • Wet bulb temperature
  • Density altitude
  • Wind chill
  • Air, water, and snow temperature °F or °C
  • Current, average, and maximum air velocity

Kestrel 4500 Key Features

  • Waterproof and floats
  • Time and date
  • Easy- to-read backlit display
  • Data Logger (automatic and manual)
  • Customizable data storage - 2900 data points
  • Minimum, Maximum and Average values
  • Multi-Function 3-line display
  • Humidity sensor can be recalibrated in the field with our Relative Humidity Calibration Kit.
  • Exterior temperature, humidity, and pressure sensors for fast and accurate readings
  • Customize screens to display user-selected measurements
  • Graph and recall trends
  • User-replaceable impeller
  • Flip-top impeller cover allows use of other functions while protecting the impeller
  • Data charting
  • Upload to a computer (with optional interface)
  • Five languages (English, French, Spanish, German, and Italian)
  • US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074
  • 5-year warranty
  • Assembled in the USA

This product can be shipped almost anywhere!

This product does not have any special export requirements and can be freely transported across most borders. But US designated countries and groups may not be eligible:



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