INFICON MicroFID II Portable Flame Ionization Detector - Manual (Page 64)

074-579-P1A 64
connect zero
zero cal
zero too high
3. Connect the supply of zero air and press Next to set the Zero Point for calibration
4. If you are using a charcoal filter, connect the filter as outlined in the Accessories section in
Chapter 1, Introduction. Press Next and the MicroFID II will set its zero point. NOTE: The
charcoal filter does not filter methane or ethane. If these compounds are present, use a gas bag
with a supply of commercial zero air.
5. If you are using a gas bag with zero air, connect the gas bag adapter to the inlet. Open the
bag and press Next and MicroFID II sets its zero point.
Should a fault condition arise such as Concentration for Zero Air too high the user will be
prompted to Retry the Zero point for calibration again. Users should also look to the
Troubleshooting Section to further investigate causes for fault conditions
Connect to Zero Air
and open valve
cancel tare
next
Calibrating zero air
Concentration for Zero
air too high
cancel
retry