PerkinElmer Photovac MicroFID, User Manual

Page: 76 / 170

MicroFID Software Manual
concentrations between 10 and 50,000 ppm (methane
equivalents).
5. Follow the displayed calibration instructions. When the
calibration is completed it is automatically stored in the
selected Cal Memory. The span gas concentration and
response factor entered here are specific to the selected Cal
Memory only.
6. Press the ALARM key and enter the alarm level for the
selected Cal Memory.
Whenever the instrument is calibrated, MicroFID updates the
selected Cal Memory only. Each Cal Memory must be calibrated at
least once a day. Frequency of calibration will depend on ambient
conditions and instrument response. If ambient conditions change or
the response has drifted, a calibration must be performed for each
Cal Memory to ensure reliable operation.
Programming the Monitoring Schedule in the
Field
The easiest way of entering the Method 21 information is to go to
each site and enter the required information. In this way, the
schedule will be entered into the instrument in the exact manner in
which it will be used.
To program the monitoring schedule:
1. Press the SETUP key. Press ENTER until “I nterval” is
displayed. Use the ARROW keys to select Method 21 as
the Interval. Press ENTER.
2. You will be prompted to clear the datalogger. If you
want to save the contents of the datalogger, press EXIT.
You must print or save the data to disk. See PRINT
Key on page 53, GRAPH Key Mode on page 58 or
Computer on page 88 for details of printing or saving
your data. Press ENTER to clear the datalogger.
3. Go to the first site to be monitored. You can enter the sites
in any order; however, using the schedule after it has been
74