General DAF4207SD User manual

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

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.

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.

1. The DAF4207SD’s controls nd indic tors and other physical features

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.

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.

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.

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.

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.

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