Your logging will be REALLY slow. A few things to help your speed:
1. Use a Producer/Consumer to move your logging out of your acquisition loop. This will allow your logging and acquisition to happen in parallel.
2. Do not use the Write Delimited Spreadsheet String. That VI opens and closes the file each time you do a write. That will kill your speed. Open the file before the loop and do not close it until after the loop. Inside of the loop, use Array To Spreadsheet String to create your formatted data and then Write Text File to write the data to the file.
3. Since you know how many measurements you are taking, you really should use a FOR loop. You can still enable the Conditional Terminal to exit sooner.
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