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NGA-2000 System Calibration
Supplement - 8 NGA 2000 90003482(2) [NGA-e (MLT-Software 3.2.X)] 07/98
Example for an NGA analyzer system:
V1 AM1 (MLT ch.1) AM2 (MLT ch.2) AM3 (MLT ch.3)
V2 AM4
V3 AM5
V 4 V 5 V 6
Calibration gas mixtures
Appropriate assignment:
AM1/Ch.1 AM2/Ch.2 AM3/Ch.3 AM4 AM5
SAMPLE-GAS V1 V1 V1 V2 V3
ZERO-GAS V4 V4 V5 V5 V6
SPANGAS-1 V5 V5 V4 V6 V5
SPANGAS-2 V5 V5 V4 V6 V5
SPANGAS-3 V6 V5 V4 V4 V4
SPANGAS-4 V6 V5 V4 V4 V4
Attention: Take in mind that any MLT channel is regarded as AM in this case!
Take care that for TFID separate valves are chosen which are not related
to other AM’s or MLT channels (internal TFID valves only)!
This assigning procedure is to perform for all analyzer modules which should be included in
system calibration.
To display the assigned valves and purge times for each AM we can push the softkey „View“.
If we want to exclude an AM from SYSCAL we can do this by entering an invalid valve.
We can watch in the display whether an AM/channel is enabled for system calibration.
Attention: Remember to assign a system valve to an output-port!