Functions
8.5 Automatically executed functions
ULTRAMAT 23
Manual, 3/2016, A5E37100388-003
157
The zero gas purge time is twice the AUTOCAL purge time. The sample gas purge time is
equal to the AUTOCAL purge time. The AUTOCAL purge time is an adjustable parameter
whose setting is described in section Calibration: AUTOCAL/drift values: Purge time
(Page 123).
The protection function can be enabled and disabled using the menu item
2
(see section Parameters: Limits: H2S sensor protection (Page 129)). The function
is ON with the factory setting.
The device remains in measuring mode while the protection function is running. You can
read out via ELAN or PROFIBUS whether the protection function of the analyzer is being
processed, and in which step.
The following illustration show how the protection function runs over time:
Figure 8-4 The H
2
S protection function over time
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