Authorised
Distributor - 2 Year Warranty* (Prompt Delivery)

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 480 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 480 measurements (up to 240 days)
· Store rate selectable to 2/5/10/20/30sec, 1/2/5/10/20/30 min, 1/2/5/12/hour
· Impeller can be replaced without tools
· Exterior temperature, humidity, and pressure sensors for fast and
accurate readings
· Includes neck and wrist lanyards, protective pouch and 2 AAA batteries
· Waterproof and floats
· 2-year warranty
· Assembled in the USA
· US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074
Specifications
Wind Speed
Accuracy ±3%
Response Time 1 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 Time approximately 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 Time approximately 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
Update 1 second
Temperature Range Normal 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 Shutdown After 15 minutes of no button presses. (This feature
can be disabled.)
Physical
Battery Two AAA alkaline batteries (included). Typical life, 400 hours.
Impeller 25 mm. [1in.] diameter, sapphire bearings, light weight.
User-replaceable impeller/housing assembly.
Temperature Sensor Hermetically sealed precision thermistor.
Humidity Sensor Solid state silicon capacitive sensor.
Pressure Sensor Monolithic silicon piezoresistive sensor.
Dimensions 12.7 x 4.5 x 2.8 cm. [5 x 1.8 x 1.1 in.]
Weight 102 g. [3.6 oz.]
Warranty:
Full two year conditional warranty on entire system. Factory service
for life.
Customer care warranty service available.
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