Controller / User Interface | 4-53
AutoZero button Initializes the analyzer to automatically
introduce Zero gas into the sample system.
The Span1 CAL, Span2 CAL, and Zero
CAL solenoids are configured (at the fac-
tory) on the Alarm Setting and Stream
Switch Parameters dialog box (under Flow
Operation). The solenoids turn on and off
automatically during the sequence.
The zero offset is adjusted based on the
average reading during the last 25 percent
of the AZ-0 timer (Timer0) duration.
An Auto-Zero sequence initiated on a timed basis or by a remote con-
tact will not be performed if there is an active Fault alarm.
AutoSpan buttons Automatically introduce calibration gas into
the sample system.
The Span1 CAL, Span2 CAL, and Zero
CAL solenoids are configured (at the fac-
tory) on the Alarm Setting and Stream
Switch Parameters dialog box (under Flow
Operation). The solenoids turn on and off
automatically during the sequence.
The analyzer calibration is automatically ad-
justed based on the average reading during
the last 25 percent of the countdown after
clicking the AutoSpan button.
For multi-component calibration gas mix-
tures (Model 932S Analyzers only), the
same solenoid can be assigned to different
species, but must be spanned individually.
Cancel Calibration button
Cancels the calibration sequence (Manual
Zero, Auto-Zero, Span).
NOTE
Setup (tab)Alarm/
Stream Switch
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