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COMPLETE TECHNICAL
SPECIFICATIONS
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Kestrel
4000
The Kestrel® Tracker is the next generation of weather monitoring.
You can now measure EVERY major environmental condition, easily and
accurately, right in the palm of your hand. The chart mode allows
users to recall and graph up to 250 measurements, along with the
date and time of storage. Barometric Pressure, Altitude, Density
Altitude, Temperature, Humidity, Wind Speed, Wind Chill, Dew Point,
Wet Bulb, and Heat Index... all in one pocket sized instrument.
Available in Black, Safety Orange or Green.
Kestrel NV
New for
2005, the Kestrel® 4000 was adapted to be more suitable for
night-time activities. The Kestrel® NV units are olive drab
with a visible red backlight, which helps sustain the user's natural
night vision. Military personnel and pilots flying in darkness are
often concerned with preserving their night vision.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 units' red backlight is also
much dimmer than a standard backlight, making it more difficult to
detect with the naked eye in night operations.
NOW CARRIES
A 5 YEAR WARRANTY
Kestrel 4000 Measures
Barometric pressure
Pressure trend
Altitude
Relative humidity
Heat stress index
Dewpoint
Wet bulb temperature
Density altitude
Wind chill
Air, water, and snow temperature
Current wind speed
Average wind speed
Maximum wind gust
Kestrel 4000 Features
Waterproof and floats
Easy to read, backlit display
Time and date
Exterior temperature, humidity, and pressure sensors for fast and
accurate readings
Humidity sensor can be recalibrated in the field with our Relative
Humidity Calibration Kit.
Minimum, maximum, and average values
Automatically store measurements, even when the unit is turned off
Manually store measurements with the press of a button
Customizable data storage - 2000 data points
Graph and recall trends
Customize screens to display user-selected measurements
Data charting
Data upload (with optional interface)
Five languages (English, French, Spanish, German, and Italian)
User-replaceable impeller
Flip-top impeller cover allows use of other functions while
protecting the impeller
US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074
All instruments and accessories are completely assembled in the USA
5-year warranty
Kestrel 4000
Includes
Soft carry pouch
Neck lanyard
Batteries - 2 AAA
Kestrel Certificate of Conformity |
