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Dark Grey Kestrel 4000   |    Ref: NK-4000B

Weather Shop® |  By Brand |  Kestrel

Dark Grey Kestrel 4000

Price: £258.50
Quantity:
 
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
Flip-top 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.
Includes neck and wrist lanyards, protective pouch and 2 AAA batteries
Waterproof and floats.

Features and 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

Please see manufacturer's barometer and altitude help page for more information.

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 Standard 1-year warranty 2nd-year after registration.
The manufactures reserve the right to amend the specification and therefore the information in this document may be subject to change.

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