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Pouch and Lanyards
Wrist and neck lanyards and a small pouch have been provided. To install the
lanyard, feed the thin end of the lanyard around the metal post on the battery door
(as shown in diagram). Feed the thick end of the lanyard through the loop on the
thin end. Using tweezers can help.
Battery Installation
Use only AAA batteries. Install batteries as indicated on the battery door. After installing the batteries,
the Kestrel 4200 will automatically start in the Date and Time Setting mode. (See Date and Time Setup
below.) Custom settings and chart data will be saved during a battery change; only the date/time
and MMA values will be lost.
Turning the Kestrel 4200 ON and OFF
To turn the Kestrel ON, press
the button. To turn the Kestrel OFF, hold the
seconds. Or, press the
button, then press the
unit will continue to automatically store data when the power is turned off.)
Date and Time Setup
The first time that you turn on your Kestrel 4200, as well as after a battery change,
you will need to set the date and time. The Introduction Screen will appear for 3
seconds, followed by the Date/Time Setup Screen. Press the
scroll through the settings. Press the
and
options. After entering the date and time, press the
Setup. Then press the
button again to exit the Main Setup Menu.
Navigation of Charts
The Kestrel 4200 is capable of storing up to 1600 data points for
each measurement. To review the data, press the
viewing a chart. A cursor will appear on the most recent data point.
Press the
and
buttons to scroll through the data points. The
date and time at which the data was stored will be displayed at
the bottom of the screen, and the data value will be displayed at the top of the screen. Hold down
the
or
button to scroll quickly through the data points.
Press the
or
button to review the data for the other measurements. Please note that the cursor
will remain at the same date and time. If new data is stored while viewing chart data, the entire chart
will shift left with the new data point charted on the right. The cursor will not shift with the chart.
Press the
button to return to the Chart Mode.
User Screens
The Kestrel 4200 has three User Screens which can be customized to display three
current measurements simultaneously. (See page 15 for setup instructions.)
Max/Avg for Air Flow, Air Velocity & Wind Chill
The Max/Avg values for the Air Flow, Velocity and Wind Chill values are measured independently
from the stored and charted data. This allows the user to start and stop the averaging period in the
most appropriate manner for their application. Averaging on all velocity-related values (Air Flow, Air
Velocity and Wind Chill) will be started and stopped together.
button for two
button with the word OFF highlighted. (Note: your
and
buttons to
buttons to scroll through the setting
button to exit the Date/Time
Value
Chart
button while
Cursor
Date & Time
The Kestrel 4200 is set up to display 12 Measurements (some are calculations)
Measurements use
in 3 Modes.
Air Flow
The Measurements are listed to the left with their corresponding screen icon.
In addition to these Measurements and Modes, there are also 3 User Screens,
Air Velocity
which simultaneously show 3 current measurements (see pages 8 and 15
for more information); and the Date & Time Screen, which gives the current
Temperature
date and time. Use the
Measurements, followed by the 3 User Screens and the Date/Time Screen.
Wind Chill
The Modes are displayed below. Use the
Humidity
the various Modes. From any mode, you may still scroll to a different
Measurement by pressing the
HUM
Humidity Ratio
RATIO
Current - displays the instantaneous reading
H I
Heat Index
Min/Max/Avg - displays the Minimum/Maximum/Average readings from
stored data. If there is no stored data, the values will be displayed as --.-.
D P
Dew Point
Chart - displays a graphical representation of up to 1600 stored data
W B
Wet Bulb
points for each measurement. If there is no stored data, the axis will appear,
but the chart will be blank. (See the following page for information on
Barometric Pressure
Chart Navigation.)
Altitude
D
Density Altitude
5
While viewing the Min/Max/Avg screen for any of these measurements, hold the unit into the wind,
and press the
button when the screen displays "--average" to begin collecting data for all
measurements, and again when the screen displays "--stop" to stop collecting data and hold the
values on the display. Press the
routine will work simultaneously for all measurements, regardless of which one is displayed while
the routine is run. The Min/Max/Avg for these velocity values will not affect any other Min/Max/Avg
or stored data.
Backlight
The Kestrel 4200 has a high-visibility green backlight, which makes the display easily read in low-
light conditions.
Press the
button to activate the backlight. The light will remain activated for one minute. Press the
button within one minute to deactivate the light manually.
Air Flow
The Kestrel 4200 will display the volume air flow, based on the instantaneous air velocity and cross-
sectional area of the opening through which the air is passing. If your particular industry uses a
standard of practice for air flow measurements, be sure to adhere to those standards when using this
product.
To set the dimensions of the duct or opening, press the
The DIMENSIONAL SETTING screen will appear with the word SHAPE highlighted.
The shape of the opening can be selected by pressing the
rectangular openings. Press the
simply set the correct diameter of the opening. Use the
the value. Holding these buttons will increase and decrease the value quickly. For rectangular
openings, set both the length and the width of the opening.
7
and
buttons to scroll through the various
and
buttons to scroll through
and
buttons.
Modes use
Current
Min/Max/Avg
button when the screen displays "--clear" to clear the data. This
button while viewing the AIR FLOW screen.
or
button. The options are round or
button to highlight the dimensional settings. For round openings,
and
buttons to increase and decrease
Chart
6
8
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