INFICON MicroFID II Portable Flame Ionization Detector - Manual (Page 68)

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4. The following screen will appear:
Connect the MicroFID II to your zero air supply and open the valve to the zero air supply. Then,
press the next key (right hand red key). The optional tare key will be explained at the end of this
instruction.
5. The MicroFID II will automatically zero.
6. The MicroFID II will indicate that zero has been calibrated. If there is a problem with the
zeroing process, the MicroFID II will inform you, e.g. zero is too high.
If you only want to perform a zero calibration, hit Done. If span calibrations are required, press
the Next key to continue to the span concentrations.
7. The previously used calibration concentration will appear on the screen. If this is the first
required concentration, press next. If it is not the desired value, press the new key, and use the
up, down, and forward cursors to enter in the desired value.
Connect to zero air
and open valve
Cancel Tare Next
Calibrating zero air
Zero air calibrated
Continue calibration?
Done Next
‘next’ to continue
OR ‘new’ to change
500 ppm
Cancel New Next