Kestrel
Wind Meter
®
Wind Speed, Temperature and Wind Chill
OP
OP
OP
OP
OPER
1) Slide off Cover.
3) Select Operating Mode: Press and release [MODE] to change the
operating mode. You can select a different operating mode at any time.
MAX X X X X
MA
MA
MA
MA
Current
Maximum
3-Second
Wind
Gust Since
Speed
Power On
4) Select Measurement Scale: Hold down [ON] while pressing [MODE]
to change the measurement scale. You can select a different scale at
any time.
B
KT
Beaufort
Knots
Force
***NOTE***
Select temperature or
change degrees.
5) Measure wind speed, max and
average: Simply point the unit into
the air flow you wish to measure.
Measure tempe rature and wind
chill: The Kestrel's temperature sensor
is located in the right opening below
the impeller. Because it is external to
the case, you can take fast and accurate
measurements by simply waving the unit rapidly back and forth OR
holding it into an air flow of at least 1 M/S [2 KT, 4 KM/H, 2 MPH or 197
FPM] and reading the display immediately. (The air flow ensures that
the temperature sensor measures the temperature of the air, not the
case.) Alternatively, you can take accurate readings with no air flow
by allowing the case to reach the same temperature as the surrounding
air. (If the case is much warmer or cooler than the air, this can take up
to 30 minutes.)
W W W W W ARR
ARR
ARR
ARR ANT
ARR
®
2000 Pocket Thermo
Wind Speed, Maximum and Average
ER
ERA A A A A TION
ER
ER
TION
TION
TION
TION
2) Turn On: Press [ON] to turn on
unit.
A A A A A V V V V V G G G G G
Average
Air
Wind Speed
Temperature
Since
Power On
M/S
KM/H
MPH
Meters per
Kilometers
Miles per
Second
per Hour
Hour
°C
°F
Degrees
Degrees
Centrigrade
Fahrenheit
ANT
ANT
Y REGISTR A A A A A TION ON RE
Y REGISTR
Y REGISTR
ANT Y REGISTR
ANT
Y REGISTR
PLEASE CLIP AND MAIL
PLEASE CLIP AND MAIL
PLEASE CLIP AND MAIL
PLEASE CLIP AND MAIL
PLEASE CLIP AND MAIL
Wind Speed Functions
Operating Modes: Moving 3-second average ( ), maximum 3-second
gust since power on (MAX) and average since power on (AVG).
Units: Knots (KT), meters per second (M/S), kilometers per hour (KM/H),
miles per hour (MPH), feet per minute (FPM) and Beaufort (B).
On-axis Accuracy: greater of ± 3% or ± least significant digit.
Off-axis Response: -1% @ 5°, -2% @ 10°, -3% @ 15°.
Calibration Drift: < 2% after 100 hours use at 7 M/S [~14 KT, 25 KM/H, 16
MPH or 1400 FPM].
Minimum Speed: 0.3 M/S [~0.6 KT, 1.0 KM/H, 0.7 MPH or 59.0 FPM].
Maximum Speed: 40 M/S [~78 KT, 144 KM/H, 89 MPH or 7877 FPM].
Temperature and Wind Chill Functions
Operating Modes: Temperature ( ), wind chill (
Units: Degrees Centigrade (°C) and degrees Fahrenheit (°F).
Accuracy: ± 1.0°C.
Minimum Temperature: -30°C [-22°F].
Maximum Temperature: 70°C [158°F].
Display
Wind Chill
Type: Reflective 3½ digit LCD.
Digit Height: 9 mm. [0.36 in.].
Update: 1 second.
R a n g e
Depends on measurement
scale selected – see chart:
Temperature Limitations: Normal operation from -15°C to 60°C [-4°F to
140°F]. Below -15°C [-4°F], accurate readings may be taken by keeping
the unit warmer than -15°C [4°F] and exposing it for the minimum time
necessary to take a reading (less than one minute).
FPM
Feet per
Auto Shutdown: 30 minutes after last key press.
Minute
Environmental
(x10)
Buttons: Two sealed tactile rubber buttons control all functions.
Battery: User-replaceable CR2032 coin cell. Typical life, 800 hrs.
Sealing: Electronics enclosure IP67 – water resistant to 1 m. [3 ft.]. Floats.
Shock: Drop tested to 2 m. [6 ft.].
Storage Temperature: Prolonged exposure to temperatures below -20°C
[-4°F] or above 80°C [176°F] may cause permanent damage.
Physical
Impeller: 25 mm. [1 in.] diameter, sapphire bearings, light weight. User-
replaceable impeller/housing assembly.
Temperature Sensor: Hermetically sealed precision thermistor.
Case: Slip-on case prevents damage to display and moving parts.
Dimensions: 122 x 42 x 14 mm. [4.8 x 1.7 x 0.6 in.]; case, 117 x 46 x 19 mm.
[4.6 x 1.8 x 0.7 in.]; lanyard, 0.5 m. [10 in.].
Weight: Unit, 43 g. [1.5 oz.]; case, 23 g. [0.8 oz.].
TION ON RE
TION ON RE
TION ON RE VERSE
TION ON RE
SP
SP
ECIFIC
ECIFIC
ECIFICA A A A A TIONS
TIONS
TIONS
SPECIFIC
SP
SP
ECIFIC
TIONS
TIONS
Scale
KT, M/S, KM/H
MPH, °C & °F
FPM
a n d
Re s o l u t i o n :
%
The Kestrel turns itself off
automatically after 30 minutes
of no button presses.
VERSE
VERSE
VERSE
VERSE
).
Range
Resolution
0.0-199.9
0.1
0-1,999
1
2,000-19,990
10
0-100
1
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