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Instruction 24-9448 4-11
Operation
4.12 Data Logging
When the logging function is activated, up to 500 combustion test records
will be automatically stored in memory at a preset interval (1, 5, 10, 15,
30 seconds, 1, 2, 5, 10 minutes) over a predetermined duration (5, 10, 15,
30 minutes, 1, 2, 5, 10, 24, 48 hours).
The maximum duration that data can be collected is determined by the in-
terval. For example, if the interval is set to 10 seconds, then the maximum
selectable length of time in which data can be collected to fill 500 memory
locations would be 1 hour (500 x 10 seconds = 5000 seconds or 83 minutes).
If the operator chooses a duration that is longer than possible for the inter-
val chosen, then the analyzer automatically selects the highest duration
possible for the selected interval.
The stored logged data can either be viewed on the display using the ana-
lyzer’s memory function (refer to Section 4.13), or downloaded to a personal
computer using the supplied PCA 2 data recovery software and USB cable
(refer to Section 4.14). Downloaded data is stored on the computer’s hard
drive as a comma-separated-value ASCII text file with a CSV extension,
which can be opened by most spreadsheet programs for analysis.
TIP: The latest PCA 2 data recovery software can be download-
ed from http://www.bacharach-inc.com/downloads.