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Kestrel 4200 Instructions Manual page 4

Pocket air flow tracker
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Off - Press the
or the
button to turn the display off. Even when the Kestrel's display is turned
off, the unit will continue to automatically store data at the defined Store Rate. Wind speed will NOT
be stored when the unit is off. To continuously measure wind speed, turn the auto shutdown off,
and see page 8 for more information on how this data is stored. The battery life will be decreased
if data is stored frequently. The only way to completely shut off the unit is to remove the batteries.
Custom settings and data will be stored when the batteries are removed.
Memory Options - These settings control the data storage properties.
Setting
Description
Clear Log
All stored data is cleared. This will also clear Min/Max/Avg data.
(Go/Done)
Reset MMA
All Min/Max/Avg data is cleared. Chart data will remain intact.
(Go/Done)
Auto Store
When On, data is automatically stored at preset Store Rate. When Off,
(On/Off )
data is only stored when manually captured with the
Store Rate* The frequency at which data sets are automatically stored.
(2 sec - 12 hr)
(Battery life may be shortened if data is stored frequently.)
Overwrite
This setting only applies when the data log is full. When On, oldest
(On/Off )
data point is discarded to allow memory for the new data point.
When Off, new data points are not saved.
Man Store
When On, data is stored when the
(On/Off )
When off, the
button is disabled.
* When unit is off, data is NOT stored for 2 sec and 5 sec Store Rates.
Highlight the desired measurement by pressing the
through the available units. Press the
User Screens - The three User Screens can be reconfigured to display the most appropriate
information for the application. Only current measurements can be selected for the User Screens -
Min/Max/Avg and Charts are not available.
Highlight the desired User Screen by pressing the
highlighted User Screen. Press the
and
through the available measurements for each highlighted line. Press the
User Screen Setup Menu. Repeat above process for the other User Screens or press the
return to the Main Setup Menu.
System - The display Contrast and Auto Shutdown can be reconfigured as required. The relative
humidity and pressure sensors can also be recalibrated. Press the
appropriate selection, and the
or
button to adjust or select.
The Contrast can be adjusted for better visibility depending on the ambient lighting conditions.
Press the or button to increase or decrease the contrast from 0 to 20 (0 is lightest, 20 is darkest).
The display can be set to automatically turn off in order to conserve the battery life. Auto Shutdown
will only occur after the preset time has elapsed without any button presses. Press the or button
to scroll through the Auto Shutdown options (15 minutes, 60 minutes, Off).
Baro Cal - The pressure sensor can be calibrated if necessary. It is extremely important to know the
precise altitude and mean sea level barometric pressure at the time of calibrating the sensor. First,
set the reference altitude on the BARO measurement screen to the known altitude (see Pressure
Adjustment on page 9). Then adjust the calibrating setting on the Baro Cal screen to the known
mean sea level barometric pressure. Recalibration of this sensor is not typically required, and it is not
recommended that you recalibrate without speaking to an NK technician.
Operation
Press
or to clear
the log.
Press
or to clear
the MMA.
Press
or to toggle
button.
between On and Off.
Press
or to increase or
decrease Store Rate frequency.
Press
or to toggle
between On and Off.
button is pressed.
Press
or to toggle
between On and Off.
or
button. Press the or button to scroll
button to return to the Main Setup Menu.
or
button. Press the
button to select the
buttons to change lines, and the or button to scroll
button to return to the
and
buttons to highlight the
Measurements - Measurement screens can be hidden from the normal measurement navigation. For
example, if wind chill is not of interest, it can be hidden. Press the or button to toggle between ON
and OFF for each individual measurement. Press the
measurement. Press the
Graph Scale - These settings control the chart limits of your meter. Depending on the conditions, the
lower and upper limits of the chart scale may need to be adjusted in order to get the best view of the
data. Highlight the desired measurement by pressing the
measurement by pressing the
the limits. Press the
or
to exit and return to the measurement selection screen. Press the
Setup Menu.
Units - The units of measure can be adjusted to best suit the application. The following units are
available:
Air Velocity
m/s
meters per second
km/h kilometers per hour
kt
knots
mph miles per hour
fpm
feet per minute
Bft
Beaufort
Humidity Ratio
gpp
grains per pound
g/kg grains per kilogram
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Humidity Cal - The humidity sensor can be calibrated by "teaching" it the correct humidity. Some
special equipment is required for this calibration, including two hermetically sealed containers and
saturated salt solutions. NK offers a calibration kit, and instructions are available on www.nkhome.com.
Recalibration of this sensor is not typically required, and it is not recommended that you recalibrate without
speaking to an NK technician.
Date & Time - The date and time, as well as date and time formats, can be adjusted. The Time Formats
available are: 12 hour and 24 hour. The Date formats available are day/month/year and month/day/
year. (See page 5 for instructions on how to set the date and time.) Press the
the Main Setup Menu.
button to
Language - Displayed text can be set in one of five languages: English, French, German, Italian or
Spanish. To choose a language, use the
button to select the language and return to the Main Setup Menu. Otherwise, press the
to return to the Main Setup Menu without changing languages.
Restore - Default settings for units of measure, date and time formats, and system settings can be
restored. (See page 21 for a list of the default settings. ) Press the
desired default setting: Metric, Imperial or Defaults. Press the or button to reset the factory setting.
Press the
to return to the Main Setup Menu.
15
or
button to highlight the desired
button to return to the Main Setup Menu.
or
button. Press the
or
button to increase or decrease the value of
button to change between the upper and lower limits. Press the
Air Flow
cfm
cubic feet per minute
3
m
/h
cubic meters per hour
m
3
/m
cubic meters per minute
m
3
/s
cubic meters per second
L/s
liters per second
Temperature,
Pressure
Dewpoint, Wet
inHg inches mercury
Bulb Temp, Wind
hPa
hectopascals
Chill & Heat Index
psi
pound per square inch
°C
Celsius
mb
millibar
°F
Fahrenheit
and
buttons to highlight the desired language. Press the
button. Select the highlighted
button
button to return to the Main
Dimensions
ft
feet
cm
centimeters
m
meters
in
inches
Altitude,
Density Alt.
m meters
ft feet
14
button to return to
button
or
button to highlight the
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