Impact / Impact Pro / Impact Pro IR Operating Instructions
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4�8�2 Event Datalogging
All instruments are supplied complete with event datalogging. This records the time
and date whenever an event occurs. When the datalogging memory is full then the
earliest data is overwritten. In event mode the datalogging memory can store at
least 500 events. An event can be:
Instrument switch on•
Instrument switch off•
Peak gas reading while switched on•
Any gas alarm (A3, A2, A1, STEL, LTEL)•
Low battery•
Fault•
4�8�3 Gas Datalogging
Set-up by the PC software for instruments fitted with this full datalogging option,
it enables the instrument to sample at a regular interval (for instance, every 15
seconds).
4�8�4 Output Formats
All the logged data can either be saved to a file with the extension ‘imp’ for use
with the PC Datalogging program or with the extension ‘csv’ for use with most
spreadsheet programs.
Previously, the calibration history, event logging and gas logging was output in a
CSV (Comma Separated Variable format) with the file extension ‘.txt’. Viewing the
information in Microsoft Excel
®
, required following these steps:
Open the file using Microsoft Excel1.
®
. Note that the ‘Files of Type’ box must
be set to ‘All files’ to show the files, which have a ‘.txt’ extension.
Excel will recognize the format as ‘delimited text’ and start the ‘Text Import 2.
Wizard’.
For step 1 select ‘Delimited’. Then press ‘Next’.3.
For step 2, in the Delimiters box, ensure Tab and Commas are enabled. 4.
Then press ‘Next’.
For step 3, ensure Column Data Format is ‘General’. Then press ‘Finish’.5.
The data will now be shown in consecutive columns, and can be saved, 6.
printed and analyzed as required.
Also previously, creating a file, which can be opened directly from Windows Explorer
simply by double-clicking on it, required a change to the file extension to ‘.csv’ before
downloading and saving the file.
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