2-15
• See Troubleshooting Guidelines found in Chapter 4.
To extinguish the CAL FAULT, a complete, successful
calibration procedure must be performed.
The 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 X Series Gas Monitor
automatically begins the span countdown after a successful
zeroing of the unit. The span countdown is 30 seconds
(FIGURE 2-6).
NOTE: The span process can be aborted at any time during the
countdown by simply pressing any button on the Calibrator
while aiming it at the unit or by pressing and releasing the
push-button if push-button calibration is available.
.
Figure 2-6. Apply SPAN Gas Flag
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