8.2.7.2 Calibration: AUTOCAL/drift values: Cycle time
Use this function to set or change the cycle time. This is the time between two AUTOCAL
procedures triggered automatically by the analyzer.
AUTOCAL
Cycle time: 24 hours
Time left: 11.11 h
8272
Valid cycle times are from 0 to 24 hours. A cyclic AUTOCAL is not
carried out if 0 hours is set.
The cycle time between 6 and 24 hours must be set if the ana‐
lyzer is used in German systems subject to TA Luft and
13. BlmSchV (German Federal Immission Protection Regula‐
tions).
The fourth line indicates when the next AUTOCAL will take place.
If the ow during a cyclic AUTOCAL is too low, this AUTOCAL is
aborted and a fault is displayed. This procedure is entered in the
logbook.
8.2.7.3 Calibration: AUTOCAL/drift values: Purge time
Use this function to set or change the purge time. This is the duration of ow with sample gas
during an AUTOCAL procedure.
Purge time
240 seconds
8273
Following calling of the purge time you can set or change the
purge time in the second line of the menu display. Valid purge
times are:
• 60 to 600 seconds for analyzers with oxygen sensor and UV
module
• 300 to 600 seconds for analyzers with hydrogen sulde sen‐
sor
• 1 to 600 seconds for all other analyzer versions.
There are minimum purge times depending on the measured
component, and shorter times should not be used.
8.3 Parameter
In this function group you can change various analyzer parameters. These modications can
only be made within the limits which have been preset for your analyzer. The analyzer checks
parameter changes for plausibility and rejects them if applicable. The following gure shows the
menu sequence of this function group. The display elements are described in section Input
mode (Page 95).
Access to the "Parameters" menu is protected by code level 1.
Functions
8.3 Parameter
ULTRAMAT 23
126 Equipment Manual, 04/2022, A5E37100388-012
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