Ametek 933S, Operator'S Manual

Page: 146 / 288

4-52 | Model 933S UV Analyzer
Manual CAL
This group includes the control options that allow you to perform
manual calibrations on the analyzer.
ManSpan 1/2/3/4/5/6 buttons
Allows you to manually Span each individu-
al gas species. The analyzer span factors are
adjusted automatically based on the aver-
age reading during the
Integration Timer
period after clicking each ManSpan button.
The Span1 CAL , Span2 CAL , and Zero CAL
solenoids are configured (at the factory) on
the
Alarm Setting and Stream Switch Pa-
rameters dialog box (under Flow Operation ).
ManZero button Allows you to manually Zero the analyzer.
The analyzer zero is adjusted automatically
based on the average reading during the
Integration Timer period after clicking the
ManZero button.
The Span1 CAL , Span2 CAL , and Zero CAL
solenoids are configured (at the factory) on
the
Alarm Setting and Stream Switch Pa-
rameters dialog box (under Flow Operation ).
Auto CAL
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 factory)
on the
Alarm Setting and Stream Switch
Parameters dialog box (under Flow Opera-
tion ). The solenoids turn on and off auto-
matically 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.

NOTE

Setup (tab)

Alarm/
Stream Switch

Setup (tab)

Alarm/
Stream Switch