NEW in 2000, the Kestrel 4000 Pocket Weather Tracker is still the most comprehensive pocket weather meter on the market!

One press of a button and - Every environmental reading! Tracks & stores up to 2000 sets of data, and is uploadable to a PC.

• Measures Barometric pressure & Pressure trend
• Altitude - Relative humidity - Heat stress index - Dewpoint - Wet bulb temperature - Density altitude
• Wind chill - Current/Average Wind Speed - Maximum Wind gust -
• Air - Water - & Snow Temperature
• Waterproof (IP67 standard) - Floats
• Multifunction - multi-digit programmable dot-matrix display - Choice of aviation green or visible red electroluminescent backlight. Automatic or manual activation
• Time and date
• Exterior temperature/humidity/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
• All instruments and accessories are completely assembled in the USA
• 5-year warranty
• Kestrel 4000 Includes
• Soft carry pouch
• Wrist and neck lanyards
• Batteries - 2 AAA
• Kestrel Certificate of Conformity
• Size 5" x 1.8" x 1.1" -- Weighs 3.6 ounces

Available in the NV configuration(added in 2005) & in colors of Gray/Olive Drab/Safety Orange
Night-vision preserving backlight incorporates an optical filter to reduce overall brightness & minimize blue & green spectrum light to preserve night vision.