AAA Alkaline, two, included. Average life, 400 hours of use, +/-depending
on backlight use.
Environmental
Waterproof (IP67 standard). Drop-tested (MIL.STD.810F; unit only.
Substantial
impact may damage replaceable impeller.).
Dimensions
5.0 x 1.8 x 1.1 in / 12.7 x 4.5 x 2.8 cm.
Weight
3.6 oz / 102 g.
Kestrel 4500 Specifications
Detailed Specifications
Data Storage / Display
Minimum, maximum, average and logged history stored and displayed for
every measured value. 2000-point data logger with graphical display. Auto
data storage; interval settable from 2 seconds to 12 hours. Manual data
capture.
Data Upload
Requires optional PC interface (NK PN-0830) and provided software. RS-232
connection with USB adapter available.
Clock / Calendar
Real-time hours:minutes:seconds clock, calendar, automatic leap-year
adjustment.
Operational Temperature Range
(LCD and Batteries)
The operational temperature range of the liquid crystal display and batteries
is 14° F to 131° F / -10 °C to 55 °C. Beyond the limits
of the operational temperature range, the unit must be maintained within
range and exposed for minimum time necessary to take reading.
Storage Temperature
-22 °F to 140 °F / -30 °C to 60 °C.
Auto Shutdown
User-selectable: 15 or 60 minutes with no key presses or disabled.
Languages
English, French, German, Italian, Spanish.
Certifications
CE certified. Individually tested to NIST-traceable standards (written
certificate of tests available at additional charge).
For more detailed listing of operational range, units, resolution, and accuracy
click here.
Product Features
Digital compass provides direction and stores data with
wind speed
Automatic Crosswind calculator
Headwind/Tailwind speeds
Current, Maximum and Average Wind Speeds
Air, Water & Snow Temperature
Wind Chill
Relative Humidity
Dewpoint
Heat Stress Index
Barometric Pressure
Altitude
Density Altitude
Wet Bulb Temperature
Graph and recall trends
Easy to read, backlit display
Time and date
Chart up to 2000 measurements
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
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
a Relative Humidity Calibration Kit.
Includes neck and wrist lanyards, protective pouch
and 2 AAA batteries
