9 SDL200-EN V2.3 07/13
7. When datalogging begins a new spreadsheet document named TMD01001.xls is created on
the SD card in the TMD01 folder. The data recorded will be placed in the TMD01001.xls
document until 30,000 readings are reached.
8. If the measurement session exceeds 30,000 readings, a new document will be created
(TMD01002.xls) where another 30,000 readings can be stored. This method continues for up
to 99 documents, after which another folder is created (TMD02) where another 99 spreadsheet
documents can be stored. This process continues in this same fashion with folders TMD03
through TMD10 (last allowable folder).
SD Data Card to PC Data Transfer
1. Complete a datalogging session as detailed in above in the previous sections. Hint: For the
first test, simply record a small amount of test data. This is to ensure that the datalogging
process is well understood before committing to critical datalogging.
2. With the meter switched OFF, remove the SD Card.
3. Plug the SD Card directly into a PC SD card reader. If the PC does not have an SD card slot,
use an SD card adaptor (available at most outlets where computer accessories are sold).
4. Power the PC and run a spreadsheet software program. Open the saved documents in the
spreadsheet software program (see example spreadsheet data screens below).
Spreadsheet data example
Spreadsheet example (Plotting the data)
RS-232/USB PC Interface
For streaming of data to a PC via the RS232 Output jack, the optional 407001-USB kit (RS232 to
USB cable and driver CD) along with the 407001 software (available free at
www.extech.com/sdl200
) are required.
AC Power Adaptor
This meter is normally powered by six (6) 1.5V ‘AA’ batteries. An optional 9V power adaptor is
available. When the adaptor is used, the meter is permanently powered and the power button will
be disabled.
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