Kestrel 4000NV Pocket Weather Tracker

The baseline wind and weather meter in the Kestrel 4000 series, the Kestrel 4000NV Pocket Weather Tracker has all the wind and weather monitoring functions available with the Kestrel 3500 Wind Meter, plus the distinct advantage of data storage, graphing functions, and computer interface technology. With these additional options you will be able to record changes in the weather over time, view these changes as graphs on your Kestrel 4000NV's display, and even upload the data to your PC or Mac with the Kestrel Interface. This Olive Drab 4000NV model is particularly handy for military applications thanks to its night-vision preserving backlight. The Kestrel 4000NV accurately measures: Wind Chill Air, Water, and Snow Temperature (displayed in Fahrenheit or Celsius w/ accuracy of +/-1 degree) Current, Average, and Maximum Wind Speed (displayed in Beaufort Wind Scale; Knots; MPH; KPH; or Feet Per Minute) Barometric Pressure Pressure Trend Altitude Relative Humidity Dewpoint Temperature Wet Bulb Temperature Heat Stress Index Density Altitude Customizable navigation and data displays Tracking and storage of up to 2000 data points (manual and automatic data storage; graphing) Computer interface capability Features: Waterproof and floats Time and date Easy-to-read, backlit display Exterior temperature, humidity, and pressure sensors for fast and accurate readings Humidity sensor can be recalibrated in the field in the field with the Kestrel 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) Patented, user-replaceable impeller (no tools needed) Ultralight impeller is mounted in jewel bearings for precision, wi