1. To start automatic datalogging
, press the REC/ENTER button once. The top line of the
display will then show the term “REC”. Pressing the LOGGER OFFSET 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.
2. To pause automatic datalogging
, press the LOGGER OFFSET 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 OFFSET button
again resumes automatic datalogging.
3. To end automatic datalogging
, press the REC/ENTER button and hold it for at least two
seconds. This action causes the “REC” message to disappear.
4. To log data manually
, set the sampling time to zero using by performing Step 8 of the
setup procedure. 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 OFFSET 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.
In manual datalogging mode, however, measurements are being stored continuously
(with a sampling time of zero), and their locations on the card can be changed.
5. To change the storage location of manually logged data
, 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 Type
▲
or T1-T2
▼
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.
6. To end manual datalogging
, 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.
TRANSFERRING DATA FROM THE SD CARD TO A COMPUTER
After automatic or manual datalogging of measurements, remove the SD card from the
instrument and plug it into your computer either directly (if it has an SD card slot) or
through an SD card reader.
Because the files containing time-stamped data logs have the file extension .xls, they open
in Microsoft’s Excel application. Figures 2 and 3 show two kinds of Excel presentations: a
data-only screen and a graphics-only screen.
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