The Kestrel 4000 Pocket Weather Tracker
$329.00

For ordering information, call 1-800-400-7172 or email rowing@dmv.com

• 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.
• Graph and recall trends.
• Easy to read, backlit display
• Time and date
• Customize screens to display user-selected measurements
• Hard cover allows use of other functions while protecting the impeller
• Automatically store measurements, even when the unit is turned off
• Manually store measurements with the press of a button
• Chart up to 250 measurements
• Impeller can be replaced without tools
• Exterior temperature, humidity, and pressure sensors for fast and accurate readings
• Humidity sensor can be recalibrated in the field with the Relative Humidity Calibration Kit.
• Includes neck and wrist lanyards, protective pouch and 2 AAA batteries
• Waterproof and floats
• US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074

Features and Specifications
Wind Speed
Accuracy ±3%
Response Time1 second
Calibration Drift<2% after 100 hours use at 7m/s
Units Display Res'n Range
Knots KTS 0.1 0.6 to 78
Meters per Second M/S 0.1 0.3 to 40
Kilometers per Hour KM/H 0.1 1.0 to 144
Miles per Hour MPH 0.1 0.7 to 89
Feet per Minute FPM 1 59 to 7877
Beaufort Force BEAU 1 1 to 16

Temperature
Accuracy
Temperature±1°C
Wind Chill±1°C
Dew Point±2°C
Heat Index±3°C
Response Timeapproximately 1 minute for most conditions
Units Display Res'n Range
Celsius °C 0.1 -29 to 70
Fahrenheit °F 0.1 -20 to 158

Relative Humidity
Accuracy±3%
Response Timeapproximately 1 minute for most conditions
Calibration Drift±2% over 24 months (can be field calibrated)
Units Display Res'n Range
Percent % 0.1 5 to 95%

Barometric Pressure
Accuracy±3hPa (between -10°C and 60°C)
Calibration Drift±1hPa over 12 months (can be field calibrated)
Units Display Res'n Range
hectoPascal (mb) hPa 0.1 870.0 to 1080.0
Inches Mercury inHg 0.01 25.70 to 31.90

Altitude, Density Altitude
Units Display Res'n Range
Meters M 1 -500 to 9000
Feet FT 3 -1600 to 30000

Display
Update1 second
Temperature RangeNormal operation from -20°C to 60°C [-4°F to 140°F]. Below
-20°C [-4°F], accurate readings may be taken by keeping the unit warmer than -20°C [-4°F] and exposing it for the minimum time necessary to take a reading (less than 1 minute).
Storage Temperature-30°C to 60°C [-22°F to 140°F].
Auto ShutdownAfter 15 minutes of no button presses. (This feature can be disabled.)

Physical
BatteryTwo AAA alkaline batteries (included). Typical life, 400 hours.
Impeller25 mm. [1in.] diameter, sapphire bearings, light weight. User-replaceable impeller/housing assembly.
Temperature SensorHermetically sealed precision thermistor.
Humidity SensorSolid state silicon capacitive sensor.
Pressure SensorMonolithic silicon piezoresistive sensor.
Dimensions12.7 x 4.5 x 2.8 cm. [5 x 1.8 x 1.1 in.]
Weight102 g. [3.6 oz.]

*Specifications are preliminary and are subject to change.

Full one-year warranty on entire system, covering manufacturing defects.

For ordering information, call 1-800-400-7172 or email rowing@dmv.com

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