ACF5000 FTIR ANALYZER SYSTEM | OI/ACF5000-EN REV. A 69
Manual adjustment
Definition
Manual adjustment means: Zero and span are adjusted separately by press-
ing the analyzer system display and control unit keys.
Test gas infeed
The test gas supply can be started by activating a multiple-way ball valve or
solenoid valve.
Waiting period following manual adjustment
If the Output Current Response parameter is set to Hold, current output is
halted for a specific time to allow the measured value to stabilize after au-
tomatic adjustment is ended.
This waiting period is
Purging time test gas → measurement gas + 4 x T90 or
Purging time test gas → measurement gas + 1 x T90-1 + 3 x T90-2.
When different T90 times are specified for several sample components the
largest T90 time is used for all sample components.
The waiting time is the same as that after the end of the automatic adjust-
ment (see page 70).
Adjustment data
The setting of the adjustment data is described in section "Configuring
manual adjustment" (see page 85).
Adjust analyzer system manually
Manual adjustment of the analyzer system is described in section "Carry out
manual adjustment" (see page 100).
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