Kestrel 2500 Instruction Manual
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Kestrel 2500 Instruction Manual

Pocket weather meter
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Download this manual See also: Instruction Manual, User Manual
Pocket Weather
Thank you for purchasing the Kestrel 2500 Pocket Weather Meter.
This instrument will measure the following environmental conditions:
• wind speed
Plus additional features:
• wind chill
• waterproof and floats
• maximum wind gust
• clock
• 3-hour pressure trend
• barometric pressure
• average wind speed
• data hold function
• altitude
• backlight
• temperature (air, water, snow)
• automatic power-down
INSTRUCTION MANUAL
Mode
Hint
Barometric Pressure*
Altitude
Alt
* Only one of the pressure icons will be displayed, indicating the 3-hour pressure trend.
pressure rising quickly (rise more than +0.18 inHg)
pressure rising (rise within +0.06 inHg and +0.18 inHg)
pressure stable (remain within -0.06 and +0.06 inHg)
pressure falling (drop within -0.06 inHg and -0.18 inHg)
pressure falling quickly (drop more than -0.18 inHg)
or
5. Hold mode. While holding
, press
The word "HOLD" will blink to indicate the Hold Mode. Press
measurements in Hold Mode. While holding
h
p
m
h
p
G
V
A
mode can be useful for taking measurements when unable to view the display.
G
V
A
or
d
i n
W
e
a g
e r
A v
e
n c
S i
d
e e
S p
n
O
e r
w
P o
n
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 off
the backlight.
2500
Meter
®
with Backlight
function
Icon
Units of Measure
hPa, inHg
m, ft
h
p
m
G
V
G
V
A
or
d
i n
W
e
n c
S i
o r
or
to hold the time and all of the measured values.
n
O
or
or
to view the other
or
mph
mph
mph
mph
mph
MAX
MAX
AVG
m
h
p
m
, press
to exit the Hold Mode.This
MAX
X
A
M
MAX
AVG
h
p
m
Current
Maximum 3-
Average Wind
G
V
X
A
M
Wind Speed
Second Gust
Speed Since
Current
Maximum 3-
mph
Average Wind
Since Power On
G
V
A
3 -
m
u
i m
a x
M
Wind Speed
n t
r e
u r
C
Second Gust
Speed Since
t
u s
G
d
n
c o
S e
d
e e
S p
d
i n
W
Since Power On
Power On
d
i n
W
O
e r
w
P o
e
n c
S i
e
n c
S i
Current
n
O
Wind Speed
Current
Maximum 3-
h
p
m
h
p
m
h
p
m
mph
mph
Wind Speed
Second Gust
G
V
A
X
A
M
MAX
Since Power On
G
V
A
X
A
M
MAX
d
i n
W
e
a g
e r
A v
3 -
m
u
i m
a x
M
n t
r e
u r
C
e
n c
S i
d
e e
S p
t
u s
G
d
n
c o
S e
d
e e
S p
d
i n
W
mph
mph
mph
Current
Maximum 3-
Average Wind
n
O
e r
w
P o
n
O
e r
w
P o
e
n c
S i
MAX
AVG
Speed Since
Wind Speed
Second Gust
Since Power On
Power On
AVG
MAX
Current
Maximum 3-
Average Wind
Wind Speed
Second Gust
Speed Since
Power On
Since Power On
2

OPERATION

1. Slide off 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 unit of measure. While holding
measure listed below.
Mode
Clock
Wind Speed
Max Gust
Avg Speed
Temperature
Wind Chill
Revised 05/07
3
4
7. Adjust the clock. Simultaneously press
blinking, press
h
p
m
G
V
Simultaneously press
h
p
m
h
p
m
h
p
m
G
V
G
V
A
X
A
M
d
i n
W
G
V
A
h
p
m
X
A
M
h
p
m
G
V
A
8. Adjust the reference altitude. Obtain your altitude from a topographic map or landmark
X
A
M
e
n c
S i
n
O
d
i n
W
e
a g
e r
A v
3 -
m
u
i m
a x
M
n t
r e
u r
C
G
V
A
X
A
M
e
n c
S i
d
e e
S p
t
u s
G
d
n
c o
S e
d
e e
S p
d
i n
W
to use as your reference altitude. From the barometric pressure screen, simultaneously
n
O
e r
w
P o
n
O
e r
w
P o
e
n c
S i
d
i n
W
e
a g
e r
A v
3 -
m
u
i m
a x
M
e
n c
S i
d
e e
S p
t
u s
G
d
n
c o
S e
press
n
O
e r
w
P o
n
O
e r
w
P o
e
n c
S i
or
o r
reference altitude, or hold
h
p
m
h
p
m
h
p
m
G
V
A
X
A
M
and
G
V
A
h
p
m
h
p
m
X
A
M
G
V
A
X
A
M
d
i n
W
e
a g
e r
A v
3 -
m
u
i m
a x
M
n t
r e
u r
C
h
p
m
h
p
m
G
V
A
X
A
M
e
n c
S i
d
e e
S p
t
u s
G
d
n
c o
S e
d
e e
S p
d
i n
W
A
X
A
M
9. Adjust the reference pressure. Obtain your barometric pressure reading from a local
n
O
e r
w
P o
n
O
e r
w
P o
e
n c
S i
d
i n
W
e
a g
e r
A v
3 -
m
u
i m
a x
X
A
M
e
n c
S i
d
e e
S p
weather source to use as your reference pressure. From the altitude screen, simultaneously
t
u s
G
d
n
c o
S e
n
O
e r
w
P o
n
O
e r
w
P o
e
n c
e
a g
e r
A v
3 -
m
u
i m
a x
M
n t
r e
u r
C
d
e e
S p
t
u s
G
d
n
c o
S e
d
e e
S p
d
i n
W
press
e r
w
P o
n
O
e r
w
P o
e
n c
S i
or
o r
reference pressure, or hold
h
p
m
h
p
m
h
p
m
mph
G
V
A
X
A
M
AVG
and
G
V
A
X
A
M
h
p
m
h
p
m
AVG
G
V
A
X
A
M
mph
mph
mph
MAX
AVG
d
i n
W
e
a g
e r
A v
3 -
m
u
i m
a x
M
n t
r e
u r
C
h
p
m
h
p
m
G
V
A
X
A
M
e
n c
S i
d
e e
S p
t
u s
G
d
n
c o
S e
d
e e
S p
d
i n
W
A
X
A
M
MAX
AVG
mph
mph
mph
10. Turn off. Hold
n
mph
O
e r
w
P o
mph
n
O
e r
w
P o
e
n c
S i
MAX
AVG
d
i n
W
e
a g
e r
A v
3 -
m
u
i m
a x
Power On
o r
or
MAX
AVG
X
A
M
Current
Maximum 3-
Average Wind
e
n c
S i
d
e e
S p
t
u s
G
d
n
c o
MAX
AVG
turn off if no buttons have been pressed for 45 minutes.
Wind Speed
Second Gust
Speed Since
n
O
e r
w
P o
n
O
e r
w
P o
e
n c
e
a g
e r
A v
3 -
m
u
i m
a x
M
n t
r e
u r
C
MAX
AVG
Since Power On
Power On
or
d
e e
S p
Maximum 3-
t
u s
G
d
n
c o
S e
Average Wind
d
e e
S p
d
i n
W
e r
w
P o
n
O
e r
w
P o
e
n c
S i
Second Gust
Speed Since
Average Wind
Since Power On
Power On
mph
mph
mph
Speed Since
MAX
AVG
Power On
MAX
AVG
Current
Maximum 3-
Average Wind
Wind Speed
Second Gust
Speed Since
Since Power On
Power On
or
) to turn on the unit.
or
or
) to scroll through the measurements in reverse
or
, press
Hint
Icon
---
---
SPd
SPd
MAX
SPd
AVG
dEG
chill
or
o r
or
o r
and
or
o r
or
to adjust the clock. Hold
h
p
m
h
p
m
A
X
A
M
and
to exit the clock adjustment.
h
p
m
h
p
m
h
p
m
mph
mph
A
X
A
M
G
V
A
X
A
M
MAX
e
a g
e r
A v
3 -
m
u
i m
a x
M
n t
r e
u r
C
h
p
m
G
V
A
X
A
M
mph
MAX
d
e e
S p
t
u s
G
d
n
c o
S e
d
e e
S p
d
i n
W
e r
w
P o
n
O
e r
w
P o
e
n c
S i
d
i n
W
e
a g
e r
A v
3 -
m
u
i m
a x
M
Current
n t
r e
u r
C
Maximum 3-
or
o r
e
n c
S i
d
e e
S p
t
u s
G
d
n
c o
S e
Wind Speed
d
e e
S p
d
i n
Second Gust
W
n
O
e r
w
P o
n
O
e r
w
P o
e
n c
S i
Since Power On
n t
r e
u r
C
Current
d
e e
S p
d
i n
W
o r
or
Wind Speed
and
buttons to adjust the reference altitude. Press
Since Power On
or
to adjust the value quickly. Simultaneously press
mph
h
p
m
mph
h
p
m
G
V
A
MAX
X
A
M
AVG
to exit the reference altitude adjustment.
h
p
m
G
V
A
AVG
MAX
X
A
M
Current
d
i n
W
Maximum 3-
e
a g
e r
A v
3 -
m
Average Wind
u
i m
a x
M
mph
mph
mph
Wind Speed
e
n c
S i
Second Gust
d
e e
S p
t
u s
G
Speed Since
d
n
c o
S e
MAX
AVG
n
Since Power On
O
e r
w
P o
n
O
e r
w
Power On
P o
e
n c
M
n t
r e
u r
C
Current
MAX
AVG
or
o r
d
e e
S p
d
i n
W
Wind Speed
S i
Current
Maximum 3-
Average Wind
or
o r
and
Wind Speed
buttons to adjust the reference pressure. Press
Second Gust
Speed Since
Since Power On
Power On
or
to adjust the value quickly. Simultaneously press
mph
h
p
m
mph
h
p
m
G
V
A
MAX
X
A
M
AVG
to exit the reference pressure adjustment.
or
h
p
m
G
V
A
MAX
X
A
M
AVG
Current
d
i n
W
Maximum 3-
e
a g
e r
A v
3 -
m
Average Wind
u
i m
a x
M
mph
mph
mph
Wind Speed
e
n c
S i
Second Gust
d
e e
S p
t
u s
G
Speed Since
d
n
c o
S e
MAX
AVG
for 2 seconds to manually turn off the unit. The unit will automatically
n
O
e r
w
P o
Power On
Since Power On
n
O
e r
w
P o
e
n c
M
n t
r e
u r
C
Current
MAX
AVG
S e
d
e e
S p
d
i n
W
Wind Speed
S i
mph
Current
Maximum 3-
Average Wind
MAX
Speed Since
Wind Speed
Second Gust
Since Power On
Power On
mph
AVG
Current
Maximum 3-
AVG
Wind Speed
Second Gust
Since Power On
mph
mph
mph
) to scroll through the measurements
MAX
AVG
MAX
AVG
mph
mph
mph
MAX
AVG
Current
Maximum 3-
Average Wind
mph
mph
MAX
mph
AVG
MAX
AVG
Wind Speed
Second Gust
Speed Since
Power On
Average Wind
Current
Since Power On
Maximum 3-
AVG
MAX
Wind Speed
Second Gust
Speed Since
or
Power On
Since Power On
Current
Maximum 3-
Average Wind
Wind Speed
Second Gust
Speed Since
to scroll through the units of
Since Power On
Power On
mph
mph
mph
mph
MAX
MAX
AVG
MAX
MAX
Current
Maximum 3-
Average Wind
Units of Measure
Wind Speed
Second Gust
Speed Since
Current
Maximum 3-
Average Wind
Since Power On
Power On
Wind Speed
Second Gust
Speed Since
12-hr, 24-hr
Since Power On
Power On
m/s, ft/min, km/h, mph, kt, B
m/s, ft/min, km/h, mph, kt, B
m/s, ft/min, km/h, mph, kt, B
C, F
C, F
or
o r
to adjust the clock. While the clock is
or
to adjust the times quickly.
mph
mph
mph
MAX
AVG
mph
mph
mph
MAX
AVG
AVG
MAX
Current
Maximum 3-
Average Wind
mph
AVG
mph
MAX
MAX
Wind Speed
AVG
Second Gust
Speed Since
Since Power On
Power On
Average Wind
Current
Maximum 3-
MAX
AVG
or
o r
Speed Since
Wind Speed
Second Gust
Power On
Since Power On
Maximum 3-
Average Wind
Second Gust
Speed Since
or
to adjust the
Power On
mph
h
p
m
mph
mph
mph
MAX
AVG
n t
r e
u r
C
Current
MAX
AVG
d
e e
S p
d
i n
W
Wind Speed
S i
Maximum 3-
Average Wind
or
o r
Second Gust
Speed Since
Since Power On
Power On
or
to adjust the
mph
h
p
m
mph
mph
mph
MAX
AVG
n t
r e
u r
C
Current
AVG
MAX
d
e e
S p
d
i n
W
Wind Speed
S i
Maximum 3-
Average Wind
Second Gust
Speed Since
Since Power On
Power On
mph
mph
AVG
AVG
MAX
Average Wind
Speed Since
Power On
mph
mph
AVG
AVG
AVG
mph
AVG
AVG
Average Wind
Speed Since
Power On
mph
MA
M
Maximu
Second
Since Pow
mph
MA
M
Maximum
Second G
Since Pow

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Summary of Contents for Kestrel 2500

  • Page 1 Speed Since Measurements section for more information.) Power On Average Wind Current Since Power On Maximum 3- Thank you for purchasing the Kestrel 2500 Pocket Weather Meter. Wind Speed Second Gust Speed Since Power On Since Power On Current Maximum 3-...
  • Page 2 After several hours of sustained operation over 25 M/S (~49 KT, 90 KM/H, 56 MPH or (Note that the inside of a car parked in the hot sun can reach very high temperatures.) 4,923 FPM), the Kestrel will lose some accuracy due to wear of the sapphire bearings in Use of the Lanyard and Cover the impeller.
  • Page 3 BEAUFORT SCALE Force Description The Kestrel 2500 NV is olive drab with a night-vision preserving backlight. The backlight Calm The Beaufort Scale is a system for estimating incorporates an optical filter to reduce overall brightness and minimize blue and green...
  • Page 4 Assembled in the USA.The Kestrel 2500 is protected by US Patent 5,783,753, 5,939,645 and 6,257,079. Nielsen-Kellerman reserves the right to change product specifications. ©2007. Kestrel, the Kestrel logo, Pocket Wind, NK and the NK logo are trademarks of the Nielsen- Kellerman Co.

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