Kestrel 4000 Pocket Weather Meter
In 2000, we introduced the Kestrel 4000 Pocket-Weather-Meter, and today it is still the most comprehensive pocket weather meter on the market. For just under 4 ounces, you get every environmental reading with the press of a single button. The 4000 is unparalleled in its ease of use and totally customizable navigation and data display. In addition to measuring the current conditions, it tracks and stores up to 2000 sets of data, and data can be uploaded to a PC with the optional Kestrel Interface.
Durable? You bet. The 4000 Pocket-Weather-Meter has been subjected to impact , water submersion and extreme temperature tests, and keeps on working. Kestrel 4000' s have been put to the test in some of the harshest conditions on the planet. U.S. Special Forces , combat weather teams , wildland firefighters , smoke jumpers, Mt. Everest expeditions and IRL pit crews are just a few who rely on a Kestrel 4000 to provide them with the crucial environmental data they need. Watch the Weather Channel during a hurricane, and you' re sure to spot a Kestrel 4000 being wielded by an intrepid on-screen meteorologist .
Due to popular demand in a range of applications, the Kestrel 4000 Pocket-Weather-Meter is available in Gray, Olive Drab, and Safety Orange.
Available in the NV Configuration
Military personnel and pilots flying in darkness are often concerned with preserving their night vision. Due to overwhelming demand from our military customers, the Kestrel NV line was added in 2005.
The Kestrel 4000NV 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.
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
Kestrel 4000 Includes
Soft carry pouch
Wrist and neck lanyards
Batteries - 2 AAA
Kestrel Certificate of Conformity
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