General DAF4207SD Manuel utilisateur
DAF4207SD
USER’S MANUAL
ANEMOMETER-THERMOMETER
WITH DATALOGGING D CARD
Please read this manual carefully and thoroughly before using this product.
TABLE OF CONTENTS
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Key Fe tures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Oper ting Instructions . . . . . . . . . . . . . . . . . . . . . . 4 –9
Wh t’s in the c se . . . . . . . . . . . . . . . . . . . . 4 –5
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 –8
Norm l Oper tion . . . . . . . . . . . . . . . . . . . . . 8 –9
Holding nd Storing Me surements. . . . . . . . . . 9
Autom tic vs. M nu l D t logging . . . . . . . . . 10
Tr nsferring D t from the SD C rd
to Computer . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Specific tions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
M inten nce & Troubleshooting Tips . . . . . . . . . . . . 13
Option l Accessories. . . . . . . . . . . . . . . . . . . . . . . . . 13
W rr nty Inform tion . . . . . . . . . . . . . . . . . . . . . . . . 13
Return for Rep ir Policy . . . . . . . . . . . . . . . . . . . . . . 14
2
INTRODUCTION
Thank you for purchasing General Tools & nstruments’ DAF4207SD Anemometer-
Thermometer with Datalogging SD Card. Please read this user’s manual carefully and
thoroughly before using the instrument.
The DAF4207SD is a general-purpose handheld instrument that can make two kinds
of measurements:
• Air (wind) speed and temperature (simultaneously)
• Surface temperature, as measured by an optional Type K or Type J
thermocouple
The meter comes with a combination air speed-temperature probe. Air speeds can
be displayed in m/s (meters/second), fpm (feet per minute), km/h (kilometers/hr),
knots (nautical miles per hour), or mph (miles per hour). Temperatures can be
displayed in ºF (Fahrenheit) or ºC (Celsius) units.
Several features and capabilities enhance the instrument’s versatility. Among them
are automatic temperature compensation for measurements made by the
combination probe or Type K or J thermocouples, the ability to hold readings and
display maximum and minimum readings, and an automatic power off function that
extends battery life.
Because it is microprocessor-based, the DAF4207SD can make full use of the
portability, reliability and large storage capacities that SD memory cards offer.
Measurements can be made automatically at any sampling rate between one second
and one hour. After storing and time-stamping the measurements on an SD card
plugged into the instrument (a process called datalogging), the user can remove the
card and plug it into to a laptop or desktop computer either directly or via a USB card
reader. The data logs are stored on the card as files with the .xls extension, which
can be opened by Microsoft’s Excel application.
The DAF4207SD has a backlit 2-1/2 in. diagonal display and is powered by six “AA”
Alkaline batteries or an optional 9-VDC AC adapter.
3
KEY FEATURE
• ncludes combination air speed-temperature probe
• Displays air (wind) speed in meters/second, feet per minute, kilometers/hr,
knots (nautical miles per hour), or miles per hour
• Displays temperature in ºF or ºC
• Big (2.5 in. diagonal) front-panel green backlit LCD is easy to read
• Displays maximum and minimum readings and holds any reading
• Automatically logs measurements at sampling time settable from one second
to one hour
• Also supports manual datalogging and changing of SD card storage location
• Outputs Excel-compatible data logs
• Accepts SD memory cards of up to 16 GB capacity
• Auto power off function
• Powered by six “AA” batteries or optional 9V AC/DC adapter
OPERATING IN TRUCTION
WHAT’S IN THE CASE
The DAF4207SD comes fully assembled in a carrying case along with a combination
air speed-temperature probe a 2 GB SD memory card and this user’s manual.
Optional accessories available from General Tools & nstruments include:
• Type K and Type J thermocouples
• A 9VDC adapter for a 110V power supply
See the Optional Accessories section of this manual for more details.
Figure 1 shows all of the controls and indicators on the front, right side, back, top and
bottom of the DAF4207SD. t also shows the main components of the included multi-
function probe. Familiarize yourself with the positions and functions of these controls,
indicators and connectors before moving on to the setup procedure.
4
1. The DAF4207SD’s controls nd indic tors and other physical features
5
1-1 Liquid-crystal display
1-2 POWER/ESC button
1-3 FUNC./HOLD/NEXT button
1-4 REC/ENTER button
1-5 SET ▼button
1-6 LOGGER ▲button
1-7 Socket for combination air speed-
temperature probe
1-8 Socket for optional Type K or J
thermocouple
1-9 SD card socket
1-10 RS-232 output jack
1-11 RESET button
1-12 Socket for 9VDC AC adapter
1-13 Battery compartment cover
1-14 Battery compartment cover
screws
1-15 Kickstand
1-16 Tripod attachment nut
1-17 Probe plug
1-18 Probe handle
1-19 Probe head
TOP
RIGHT
SIDE
BACK
BOTTOM
FRONT
Fig. 1
SETUP
1. Choose the power source. Before using the DAF4207SD, make sure it is powered
by fresh batteries or an optional 9VDC AC adapter plugged into the bottom jack on
its right side (callout 1-12).
To remove the battery compartment cover (callout 1-13), remove the two screws
holding it in place (callout 1-14). Then install six “AA” batteries in the correct
orientation, using the polarity marks on the inside of the compartment as a guide.
Replace the cover by replacing the two screws.
2. Inst ll n SD c rd. To prepare for setup, also install the supplied 2 GB SD memory
card or another card of 1 GB to 16 GB capacity in the socket on the bottom of the
instrument (callout 1-9). When installing the card, make sure its gold contacts are
facing front and push the card into the socket until you hear a click. To remove the
card, push it in until you hear a click and the card pops out.
Now power on the instrument by pressing the POWER/ESC button (callout 1-2) to
generate a short beep. (To power off the DAF4207SD, press the POWER/ESC button
and hold it until the instrument responds with a long beep.)
When the instrument powers on, a series of transient startup screens will briefly
appear. Once the display has stabilized, perform the following eight setup steps in the
order presented.
3. Set the d te nd time. Press the SET ▼button (callout 1-5) and hold it for at
least five seconds, until the word “dAtE” appears in the center of the display, along
with the flashing value “00.00.00” at the lower left, above “yy.mm.dd”.
Set the current year by pressing the SET ▼or LOGGER ▲button repeatedly until the
correct value appears above “yy”. Quickly (within three seconds), press the
REC/ENTER button to store the setting. The next screen that appears will have the
value above “mm” flashing. Use the SET ▼or LOGGER ▲button to navigate to the
current month and press the REC/ENTER button to store the setting. When the next
screen flashes the value above “dd”, again use the SET ▼or LOGGER ▲button to
navigate to the current day and press the REC/ENTER button to store the setting.
( f you press buttons too slowly in setup mode, the screen will revert to the normal
display. To return to the setup sequence, press and hold the SET ▼button again. To
move ahead to the next field in the sequence or to the next parameter, press the
FUNC./HOLD/NEXT button.)
Once you have set the date, the display will prompt you to set the hour, minute and
second of the current time. Again use the SET ▼or LOGGER ▲buttons to navigate
to the correct values, and the REC/ENTER button to store the settings.
6
4. Choose decim l point or comm to represent the decimal division between
integers and fractions (for example, American-style 20.88 vs. European-style
20,88). Once you have set the date and time, the display will show the word
“bAS C” above the phrase “dEC”. Press the SET ▼button to make “bAS C”
(American style) or “Euro” appear in the upper display, as desired. Press the
REC/ENTER button to store the selection as the default.
5. En ble or dis ble uto power off. Once the format of decimal point divisions
has been set and stored, the display will show the word “yES’ over the term
“PoFF”. Press the SET ▼button until the desired automatic power off
management scheme (“yES” for enable; “no” for disable) is displayed. Press the
REC/ENTER button to store the selection. f enabled, the power off function shuts
off the DAF4207SD after a period of inactivity of ten minutes.
6. En ble or dis ble the beeper. Once the auto power off function has been
enabled or disabled, the display will show the word “yES” over the word “bEEP”.
Press the SET ▼button until the desired setting (“yES” or “no”) is displayed, and
then press the REC/ENTER button to store the selection as the default.
7. Select the thermocouple type. Once the beep sound has been enabled or
disabled, the lower part of the display will show the term “tYPE”. Press the SET
▼or LOGGER ▲button until your thermocouple’s type (K or J) appears on the
display. Then press the REC/ENTER button to store the selection.
8. Select the temper ture unit. Once the thermocouple type has been selected
and stored, the lower part of the display will show the term “t-CF”. Press the SET
▼or LOGGER ▲button until the unit you prefer (“F” for Fahrenheit, “C” for
Celsius”) is displayed. Then press the REC/ENTER button to store the selection as
the default.
9. Set the d t logging s mpling time. Once the default temperature unit has been
set and stored, the display will show a value above the letters “SP-t”. Press the
SET ▼or LOGGER ▲button to decrease or increase the value until the desired
sampling time appears above “SP-t”. The options are 0, 1, 2, 5, 10, 30, 60, 120,
300, 600, 1800 and 3600 seconds (0 seconds to 1 hour).
10. Form t the SD c rd. Once the sampling time has been set and stored, the term
“Sd-F” will appear in the lower half of the display. Press the REC/ENTER button.
Pressing the REC/ENTER button causes the word “no” or “yES” to appear over the
term “Sd-F”. Press the button to make a selection. Choose “yES” whenever a new
SD card is being used, or when a used card is being repurposed (from use with
another SD card instrument or a camera, for example) and all data on it is to be
erased. Choose “no” to preserve any data on a card previously used with this
instrument.
7
f you choose “yES”, after you press the REC/ENTER button the instrument will
prompt you to confirm that decision by displaying the term “Ent” below “yES” and
sounding three beeps. To confirm that you want to begin the erasure/formatting
procedure, press the REC/ENTER button. “Ent” will then flash several times and the
instrument will sound another three beeps to confirm that the SD card has been
erased and formatted.
Once the SD card has been set up, the display will then either return to the first of the
eight steps in the setup sequence—setting the current date and time—or show the
term “ESC”. f “ESC” appears, press the POWER/ESC button to exit the setup
procedure and enter normal operating mode.
NORMAL OPERATION
1. To prep re to m ke me surements, power on the DAF4207SD and make sure
an SD card is firmly seated in the socket on the bottom of the instrument.
The meter can make and display two kinds of measurements:
• Air speed and temperature (simultaneously)
• Surface temperature, as measured by an optional Type K or Type J
thermocouple
2. To select the me surement mode, use the FUNC./HOLD/NEXT button. Pressing
the button repeatedly toggles between the two modes. When the
FUNC./HOLD/NEXT button is released, the selected mode becomes the default until
the button is pressed again.
By default, the DAF4207SD uses Celsius units for temperature measurements. f you
wish to make Fahrenheit units the default, press the SET ▼button to enter the setup
procedure and perform Step 8.
3. To me sure ir velocity nd temper ture simult neously, seat the probe plug
(callout 1-17 of Fig. 1) in its socket (callout 1-7) on the top of the instrument. Then
press the FUNC./HOLD/NEXT button until the display shows the term “Air”. Holding
the probe by its handle, turn its head so the anemometer vanes face the flow of air
(the yellow dot in the center of the head should face that direction). The upper part
of the display will show the air speed while the lower part will show the
temperature (as “ºF” or “ºC”).
To change the units of air speed, use the REC/ENTER button (which has the word
“Unit” stenciled below it). Repeated presses of the button cycle through the five
options for air speed units: m/s (meters/second), fpm (feet per minute), km/h
(kilometers/hr), knots (nautical miles per hour), and mph (miles per hour). Release the
REC/ENTER button when the unit you wish to use appears, making it the default until
changed.
8
4. To me sure surf ce temper ture using thermocouple, make sure the multi-
function probe is not in its socket. Plug an optional Type K or Type J thermocouple
into its dedicated socket (callout 1-8 of Fig. 1). Then press the FUNC./HOLD/NEXT
button until the display shows the term “tP”.
Touch the wire end of the thermocouple to the surface whose temperature you wish
to measure. The display will show its temperature (as “ºF” or “ºC”).
By default, the DAF4207SD is configured for a Type K thermocouple. To use a Type J
thermocouple, press the SET ▼button to enter the setup procedure and perform
Step 7.
Whenever the instrument is operating in measurement mode, you can turn off the
backlight (which is on by default) by briefly pressing (but not holding) the POWER/ESC
button. To reactivate the backlight, briefly press the button again.
Whenever the DAF4207SD is in either measurement mode, you also can check the
current date and time by briefly pressing the SET ▼button (which has the words
“Time check” stenciled below it). Doing so causes both values to appear briefly at the
lower left of the display.
HOLDING AND STORING MEASUREMENTS
5. To hold me sured v lue, press the FUNC./HOLD/NEXT button during the
measurement. Doing so will cause the word “HOLD” to appear at the top of the
display. Pressing the FUNC./HOLD/NEXT button again releases the hold.
6. To record nd rec ll re dings, press the REC/ENTER button while making
measurements. This will make the term “REC” appear at the top of the display.
Pressing the REC/ENTER button again, briefly, will make the term “MAX” appear to
the right of “REC” and switch the display to the maximum value stored in memory
during the last recording session. Pressing the REC/ENTER button again, briefly,
will make the term “M N” appear to the right of “REC” and switch the display to
the minimum value stored during the last session.
7. To exit recording mode, press the REC/ENTER button and hold it for at least three
seconds, until the term “REC” disappears from the top line of the display. The
display will then revert to showing the current reading.
9
AUTOMATIC VS. MANUAL DATALOGGING
The DAF4207SD can automatically log data at a user-selected sampling period from
1 second 3,600 seconds (one hour). To view the sampling time that the instrument
has been set up to use, press the LOGGER ▲button (which has the words “Sampling
check” stenciled below it) once. To change the sampling time, perform Step 9 of the
setup procedure.
8. To st rt utom tic d t logging, press the REC/ENTER button once.
The top line of the display will then show the term “REC”. Pressing the LOGGER
▲button at this point will make REC flash and add the flashing term “LOGGER”
at the top right of the display. This indicates that the instrument is currently
storing measured values and their time stamps in memory.
9. To p use utom tic d t logging, press the LOGGER ▲button once; this action
makes the flashing term “LOGGER” disappear from the top right of the display
and changes the term “REC” from flashing to constant. Pressing the LOGGER ▲
button again resumes automatic datalogging.
10. To end utom tic d t logging, press the REC/ENTER button and hold it for at
least two seconds. This action causes the “REC” message to disappear.
11. To log d t m nu lly, set the sampling time to zero using the procedure detailed
earlier. Then press the REC/ENTER button once. The display will show the term
“REC” on the top line, a value in the middle, and below it the letter “P” on the left
and a number from 1 to 99 on the same line to the right. The number indicates
the position on the SD card that will be used to store manually logged data.
Now press the LOGGER ▲button. This will cause the beeper to sound and the term
“LOGGER” to briefly appear at the upper right of the display. As in automatic
datalogging mode, in this mode the instrument is storing measurements and their
time stamps on the SD card.
n manual datalogging mode, however, measurements are being stored continuously
(with a sampling time of zero), and their locations on the card can be changed.
12. To ch nge the stor ge loc tion of m nu lly logged d t , press the
SET ▼button once; this causes the “P” to disappear from the left side of the
display and the value on its line to begin flashing. Once the flashing begins, you
can use the SET ▼and LOGGER ▲buttons to change the flashing value to any
number between 1 and 99. Once you have chosen the storage location, press the
REC/ENTER button to save the setting. This causes the value to stop flashing and
the “P” to return.
13. To end m nu l d t logging, press the REC/ENTER button and hold it for at least
three seconds. This action causes the “REC” message to disappear from the top
line of the display.
10
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