2) Remove the tubing from the Flow Controller.
• If the calibration output signal is enabled during calibration,
it will be held at the lockout value for an additional two
minutes or until after the span routine if performing a
full calibration.
c. If a CAL FAULT flag appears on the unit, this indicates:
• An unsuccessful attempt to zero or calibrate the
Ultima/Ultima X Series Gas Monitor
• The Ultima/Ultima X Series Gas Monitor is operating with
the calibration parameters defined before the calibration
was attempted.
• See Troubleshooting Guidelines found in the
Ultima manual (P/N 813161) and the
Ultima X Series manual (P/N 10036101).
To extinguish the CAL FAULT flag, a complete successful
calibration procedure must be performed.
The Ultima/Ultima X Series Gas Monitor allows automatic zero
adjustment only within a pre-defined range. It cannot make
corrections outside this range, such as when an empty or wrong
cylinder of gas is applied or failure to begin gas flow within the
allotted 30-second countdown occurs.
• If only a ZERO was performed, the procedure is complete and
the user should return the calibration equipment to the cal kit.
If a CAL was performed, the gas monitor will continue to the
"span" sequence as described in the following section.
Spanning
5. During a regular calibration, the Ultima/Ultima X Series Gas
Monitor automatically begins the span countdown after a
successful zeroing of the unit. The span countdown is 30 seconds
(FIGURES 2-4 and 2-5).
• The span process can be aborted at any time during the
countdown by simply pressing the ZERO, CAL,or ADDRESS
button on the Controller/Calibrator while aiming it at the unit.
Figure 2-4. Ultima Unit
Apply SPAN Gas Flag
Figure 2-5. Ultima X Unit
Apply SPAN Gas Flag
2-13
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