Revised 07/23/10
2000
Pocket Weather ® Meter
with Backlight
Thank you for purchasing the Kestrel 2000 Pocket
Weather Meter. This instrument will measure the
following environmental conditions:
• wind speed
• maximum wind gust
• average wind speed
This instrument also features a data hold function and
an automatic power-down function. Every unit is fully
tested at our factory for measurement accuracy and
waterproof integrity.
• temperature (air, water, snow)
• windchill
INSTRUCTION MANUAL
Kestrel® 2000 Pocket Weather® Meter 3
OPERATION
1. Slide o cover.
2. Turn on. Press the center button (
3. Select operating mode. Press the right arrow (
listed below. Press the left arrow (
order. The instantaneous measurements will be displayed. (See Understanding the
Measurements section for more information.)
4. Select the units of measure. Press
of measure.
Mode Hint Icon Units of Measure
Wind Speed SPd m/s, ft/min, km/h, mph,
Max Gust SPd
Avg Speed SPd
Temperature dEG
Wind Chill chill
) to turn on the unit.
) to scroll through the measurements
) to scroll through the measurements in reverse
while holding to scroll through the units
kt, B
MAX
AVG
m/s, ft/min, km/h, mph,
kt, B
m/s, ft/min, km/h, mph,
kt, B
C, F
C, F
5. Hold mode. Press
word “HOLD” will blink to indicate the Hold Mode. Press
the Hold Mode. This mode can be useful for taking measurements when unable to view
the display, as within a duct. The Max and Avg Wind Speed Modes will continue to work
as usual.
6. Turn on the backlight. Press
pressed while the backlight is illuminated, the backlight will remain illuminated
for another 10 seconds. Press
the backlight.
7. Turn o. Hold
turn o if no buttons have been pressed for 45 minutes.
while holding to hold the measured value on the display. The
while holding to exit
to activate the backlight for 10 seconds. If or are
while the backlight is illuminated to manually turn o
for 2 seconds to manually turn o the unit. The unit will automatically
UNDERSTANDING THE MEASUREMENTS
Wind Speed - Average over the previous three seconds. The measurement will be accurate
for air ow through the front or rear of the unit.
Maximum Wind Gust - Maximum 3-second wind speed since the unit was turned on.
Average Wind Speed - average wind speed since the unit was turned on.
Kestrel® 2000 Pocket Weather® Meter 5
Temperature - Instantaneous temperature of the thermistor, which is located at the end
of the long coiled leads in the open cavity below the impeller. The exposed thermistor will
respond quickly to changes in temperature when air ows past it. For fastest response, either
hold the unit into the wind or wave the unit side to side for 15 seconds. Readings should be
taken in the shade.
Wind Chill - Combination of wind speed and temperature, as dened by the US National
Weather Service. Wind chill is the eective temperature on a human or animal at low
temperatures due to wind speed. Wind chill readings will be the same as the temperature
readings above 45ºF or below 3 mph.
MAINTENANCE & TROUBLESHOOTING
Environmental
Every Kestrel Meter is fully waterproof and oats, and has passed mil-spec drop testing.
Storing Your Kestrel
Avoid storing your Kestrel where it will be exposed to temperatures below -30°C [-22°F] or
above 60° C [176° F] for extended periods of time. Doing so may cause permanent damage.
(Note that the inside of a car parked in the hot sun can reach very high temperatures.)
Use of the Lanyard and Cover
The cover can be captured on the lanyard to avoid loss. First, remove the cord poplock. Then
feed the lanyard end through the large opening in the over and out the slot. Replace the
poplock on the lanyard.
Replacing the Battery
When your display becomes dim or disappears, replace the
battery. Use a large coin to open the battery compartment. Use
only new CR2032 coin cell batteries (available where watch
batteries are sold). Wipe the battery clean of any ngerprints
and insert the positive (+) pole up, angling the battery
downward and pressing it rmly into place. When replacing the
battery door, be sure to keep the black rubber o-ring seated in
the groove on the case back.
Why does the Impeller Appear Imbalanced?
It is NORMAL for the impeller to oscillate as it comes to a stop. It is NOT imbalanced. Rather,
it contains a very small magnet that responds to the earth’s magnetic elds. This does not
aect the accuracy of the wind speed readings because the magnetic eld applies both a
braking and an accelerating force which cancel each other. The impeller has been calibrated
to provide wind speed readings accurate to within at least ± 3%.
High Speed Use
After numerous hours of sustained operation over 25 M/S (~49 KT, 90 KM/H, 56 MPH or 4,923
FPM), the Kestrel will lose some accuracy due to wear of the pivot bearings in the impeller.
Replacing the Battery
Kestrel® 2000 Pocket Weather® Meter 7
Replacing the Impeller
You may recalibrate the wind speed readings by replacing
the impeller. Press FIRMLY on the sides of the black impeller
housing with your thumbs to remove the entire assembly.
When inserting the new impeller, be sure the arrow is facing
the display side of the unit, and is aligned with the top of the
meter. Press on the sides of the housing rather than the center.
BEAUFORT SCALE
The Beaufort Scale is a system for estimating
wind force without the use of instruments
based on the visible eects of the wind on the
physical environment. The behavior of smoke,
waves, trees, etc., is rated on a 13 point scale. The
scale was devised in 1805 by the British naval
Commander Sir Francis Beaufort (1774-1857) and
is still commonly used by mariners.
Force Description Kts
0 Calm 0
1 Light Air 1-3
2 Light Breeze 4-6
3 Gentle Breeze 7-10
4 Moderate Breeze 11-16
5 Fresh Breeze 17-21
6 Strong Breeze 22-27
7 Near Gale 28-33
8 Gale 34-40
9 Strong Gale 41-47
10 Storm 48-55
11 Violent Storm 56-63
12+ Hurricane 64+
Replacing the Impeller
KESTREL POCKET WEATHER METERS WARRANTY
NK does not believe in “disposable electronics.” We know that Kestrel Meters don’t typically
lead pampered lives, and we design them for years of performance in tough conditions.
Every Kestrel is designed and manufactured at NK’s facility in Boothwyn, Pennsylvania, to be
the accurate, reliable weather instrument you need for your application. If for any reason
you are not satised with the performance or operation of your Kestrel meter in the rst 30
days, you may return it to your place of purchase for a full refund.
We guarantee every Kestrel Pocket Weather Meter to be free of defects in materials and
workmanship for a period of FIVE YEARS from their date of rst consumer purchase. NK will
repair or replace any defective product or part when notied within the warranty period,
and will return the product via domestic ground shipping or NK’s choice of method of
international shipping at no charge.
The following shall be excluded from warranty coverage: damage due to improper use or
neglect (including corrosion); damage caused by severe or excessive impact, crushing or
mechanical harm; modications or attempted repairs by someone other than an authorized
NK/Kestrel repair agent; impeller failure not caused by a manufacturing defect; normal
usage wear; failed batteries; and accuracy issues resolvable by recalibration. Recalibration is
provided free of charge within thirty (30) days of purchase if necessary.
Except for the warranties set forth herein, NK disclaims all other warranties, expressed,
Kestrel® 2000 Pocket Weather® Meter 9
implied or statutory, including, but not limited to, the implied warranties of merchantability
or tness for a particular purpose. Any implied warranties that may be imposed by
applicable law are limited to the term of this warranty. In no event shall NK be liable for any
incidental, special or consequential damages, including, but not limited to, loss of business,
loss of prots, loss of data or use, whether in an action in contract or tort or based on a
warranty, arising out of or in connection with the use or performance of an NK product, even
if NK has been advised of the possibility of such damages. You agree that repair, and (upon
availability) replacement, as applicable, is your sole and exclusive remedy with respect to any
breach of the NK Limited Warranty set forth herein. All product liability and warranty options
are governed exclusively by the laws of the Commonwealth of Pennsylvania. Your warranty
period will be measured from your date of purchase. The best way to ensure full warranty
coverage is to REGISTER your NK product promptly on our website: www.kestrelweather.
com <http://www.kestrelweather.com> . We keep your registration information strictly
condential and do not sell it, share it, or use it for anything but product-related information
bulletins (which you may decline receiving). If you do not register and cannot provide
proof of purchase, your warranty period will be measured from our date of manufacture,
determined by serial number.
We request that you contact NK if you feel your product is not working properly. We can
often solve product issues by phone or e-mail, saving you the time and expense of returning
the unit. If we require the product to be returned, we will issue a Return Authorization to
expedite the handling of your warranty claim.
The Kestrel Pocket Weather Meters are covered by the following patents: 5,783,753,
5,939,645, 6,257,074, and 7,059,170.
LIFETIME CUSTOMER CARE WARRANTY
NK wants you to be an NK customer for life, so we take care of you even beyond the terms of
the above warranty with our Customer Care Program. Trade-in any Kestrel Pocket Weather
Meter, no matter the age or condition, and receive a generous discount on the replacement
product (same model only). Our Customer Care Program applies only as long as we
manufacture the product, and does not cover product upgrades.
CALIBRATIONS, CERTIFICATIONS AND SERVICE
Every NK product is tested and calibrated before it leaves our factory. We guarantee that it
will perform within specications when you receive it. Each Kestrel comes with a Certicate
of Conformity, with the stated specications for that product on the back. If you feel an
NK product is not meeting specs when you receive it, call us and we’ll make sure you are
operating it correctly. If it still appears that it may be out of spec, return it to us within 30
days of purchase and we will test and recalibrate all values at no charge. Beyond 30 days, we
oer reasonably-priced tests, calibration services and N.I.S.T. certied calibrations as well as
Kestrel tune-ups.
All of our measurements are traceable to the National Institute of Standards and Technology,
Kestrel® 2000 Pocket Weather® Meter 11
ensuring the highest level of accuracy. Our primary Calibration Standards are sent for
calibration in accordance with N.I.S.T. requirements and based on a regular schedule.
Only approved laboratories and N.I.S.T themselves are used for these calibration services.
Incoming and outgoing data is supplied with the certicate of calibration.
We also oer full factory service on every product we manufacture for as long as we make
the product (and as long after as component availability permits). If we can’t repair a
product, we will oer you a brand-new replacement under our Customer Care Program (even
for accidental damage and misuse).
ADDITIONAL INFORMATION
What is a “Kestrel”? The American Kestrel is the smallest North American falcon.
Beautiful and highly adaptable, it can be found virtually everywhere in North
America. It is unique among falcons for its ability to both hover at very low
speeds and dive at very high speeds.
Assembled in the USA. The Kestrel 2000 is protected by US Patent 5,783,753 and
5,939,645. Other patents pending. Nielsen-Kellerman reserves the right to change product
specications. ©2010. Kestrel, the Kestrel logo, Pocket Wind, NK and the NK logo are
trademarks of the Nielsen-Kellerman Co.
Need Help?
Our NK Knowledge Center has answers to many common
questions, along with tips and tricks for using NK products.
It’s available 24-7 at www.kestrelweather.com/knowledgecenter .
For email assistance with the installation or operation of your NK
product, write techsupport@kestrelweather.com.
For help with an apparent malfunction, or to arrange or inquire
about a repair, write repairs@kestrelweather.com.
Or call 800-784-4221 (610-447-1555 outside of the USA),
Monday to Friday, 9 to 5.
Kestrel® 2000 Pocket Weather® Meter
Register your Kestrel® Pocket Weather® Meter online at www.kestrelweather.com.
NIELSEN-KELLERMAN
21 Creek Circle, Boothwyn, PA 19061
Phone: 610.447.1555
Fax: 610.447.1577
Web: www.kestrelweather.com
Email: info@kestrelweather.com
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