3000
Revised 07/23/10
3000
Pocket Weather ® Meter
with Backlight
Thank you for purchasing the Kestrel 3000 Pocket
Weather Meter. This instrument will measure the following
environmental conditions:
• wind speed • wind chill
• maximum wind gust • relative humidity
• average wind speed • heat stress
• temperature (air, water, snow) • dewpoint
This instrument also features a data hold function, a backlight,
and an automatic power-down function. Every unit is
fully tested at our factory for measurement accuracy and
waterproof integrity.
INSTRUCTION MANUAL
Kestrel® 3000 Pocket Weather® Meter 3
OPERATION
1. Slide o cover.
2. Turn on. Press the center button (
3. Select operating mode. Press the right arrow ( ) to scroll
through the measurements listed below. Press the left arrow
(
) to scroll through the measurements in reverse order.
The instantaneous measurements will be displayed. (See
Understanding the Measurements section for more information.)
) to turn on the unit.
4. Select the units of measure. Press
scroll through the units of measure.
5. Hold mode. Press
value on the display. The word “HOLD” will blink to indicate the
Hold Mode. Press
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.
while holding to hold the measured
while holding to exit the Hold Mode.
while holding to
Kestrel® 3000 Pocket Weather® Meter 5
6. Turn on the backlight. Press to activate the backlight for 10 seconds. If or are
pressed while the backlight is illuminated, the backlight will remain illuminated
for another 10 seconds. Press
while the backlight is illuminated to manually turn o
the backlight.
7. Turn o. Hold
for 2 seconds to manually turn o the unit. The unit will automatically
turn o if no buttons have been pressed for 45 minutes.
Mode Hint Icons Units of Measure
Wind Speed SPd m/s, ft/min, km/h, mph, kt, B
Max Gust SPd
Avg Speed SPd
Temperature dEG C, F
Wind Chill chill
Humidity r.h.
Heat Stress Index H.I.
Dewpoint d.P.
MAX
AVG
m/s, ft/min, km/h, mph, kt, B
m/s, ft/min, km/h, mph, kt, B
C, F
%
C, F
C, F
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.
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. Water and snow temperatures can be taken by hold the unit in the water
or snow.
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.
Relative Humidity - amount of moisture in the air compared to the amount of moisture the
air can hold for the given temperature, represented as a percent. Because relative humidity is
also a function of the temperature, the response time will be dependent on the temperature
response time (see temperature section above). Readings should be taken in the shade.
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