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INFICON MicroFID II Portable Flame Ionization Detector User Manual

Page 64

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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