INFICON MicroFID II Portable Flame Ionization Detector - Manual (Page 63)

074-579-P1A 63
select span gas
9. Disconnect the gas bag from the gas bag adapter and empty the bag. Flush the bag a few
times with the calibration gas and then fill it.
10. Close the gas bag valve. Gently pull the valve tube away from the bag, and then turn the
knurled plastic knob clockwise to tighten it against the valve tube.
11. Remove the knurled nut on the adapter tube from the regulator.
12. Repeat this procedure, if necessary, to prepare a bag of zero air.
NOTE: Do not use the same gas bag or gas bag adapter for the bag of zero air. You will
contaminate the bag of zero air.
General Procedure to Calibrate the MicroFID II
Before calibration begins, make sure the MicroFID II is turned on and is in measure mode.
To calibrate the MicroFID II:
1. Press both the left and right user keypad keys together. This will initialize the MicroFID II.
Calibration Mode Screen
2. Select the desired Calibration Gas. The MicroFID II has 3 Calibration Memories and can be
calibrated with 3 different span gases or response factors if desired. Only one Cal Memory can
be used at a time.
Hexane Span Gas
Methane Span Gas
Propane Span Gas
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