Kestrel 4000 Weather Station - 3 Color Choices

Kestrel 4000 Handheld
  Weather Meter - Available in 3 colors

Dark Gray - Safety Orange - Olive Drab

The Kestrel 4000 Features:

The specifics are:

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 go to barometer and altitude help 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 2-year covers parts and labor.
*Specifications are are subject to change. 

This unit features:

# Graph and recall trends
# Easy to read, backlit display
# Time and date
# Customize screens to display user-selected measurements
# Flip-top impeller cover allows use of other functions while protecting the impeller (hard cases available.)
# Automatically store measurements, even when the unit is turned off
# Manually store measurements with the press of a button
# Chart up to 2000 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 and floats.
# 5-year warranty
# Assembled in the USA
# US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074

Shipping & Handling:

I prefer PayPal and will ship by USPS.  Shipping is free in US, $20.00 Worldwide, and $12.00 Canada.

Please specify color when ordering, thanks.