Kestrel Pocket Weather Tracker #4000

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Our Price: $312.90

Manufacturer's Part Number: 355181

Product Code: 209-00151

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Standout Features

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 our Relative Humidity Calibration Kit.
� Includes neck and wrist lanyards, protective pouch and 2 AAA batteries
� Waterproof
� 1-year warranty
� Assembled in the USA
� US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074

Wind Speed

Accuracy: �3%

Response Time: 1 second

Calibration Drift: <2% after 100 hours use at 7m/s

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

Relative Humidity

Accuracy: �3%

Response Time: approximately 1 minute for most conditions

Calibration Drift: �2% over 24 months (can be field calibrated)

Barometric Pressure

Accuracy: �3hPa (between -10�C and 60�C)

Calibration Drift: �1hPa over 12 months (can be field calibrated)

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.]