PerkinElmer Photovac MicroFID, User Manual

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Detailed Operation
15. The instrument status will now be “Sample”. Press ENTER
to create a placeholder and to move to the next step. The
instrument status will again be “Locate”.
16. Repeat this procedure for all sites that must be monitored.
You can record data for up to 250 sites.
Once all event entries have been recorded in the datalogger, you are
ready to use the schedule for monitoring the sites. You may want to
print the schedule to ensure all your sites have been entered
correctly.
Using the Schedule
Once you have programmed the schedule you can use it at any time
to perform Method 21 monitoring. Frequency of monitoring is
determined from percentage leaker calculations. Refer to the
Method 21 documentation for details.
To use the schedule:
1. Calibrate MicroFID as outlined in Calibration on page 65.
2. If the first event of the schedule is not displayed, you can
find a specific event in the datalogger using the “F ind”
option. Press SETUP and use the ARROW keys to scroll
through the list of events. Select the desired event. When
you press ENTER, the selected event will be displayed.
3. Locate the specified site and press ENTER.
4. The instrument status will change to “BkGnd ”. A
background measurement must be made as specified in the
Method 21 protocol. When you have an accurate
background, press ENTER. MicroFID will record the
displayed concentration when you press the ENTER key.
5. The instrument status will now be “Sample ”. Ta ke a sample
measurement, as specified in the Method 21 protocol. When
you have an accurate sample, press ENTER. MicroFID will
record the displayed concentration when you press the
ENTER key.
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