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Teledyne API Model 100AH SO
2
Analyzer Instruction Manual, 02417, Rev. D
7.5 CALIBRATION Commands and Messages
Table 7-9: RS-232 Calibration Messages
Message Description
START ZERO CALIBRATION Beginning IZS zero calibration
FINISH ZERO CALIBRATION, SO2
1
=xxxxx PPM Finished IZS zero calibration
START SPAN CALIBRATION Beginning IZS span calibration
FINISH SPAN CALIBRATION, SO2
1
=xxxxx PPM Finished IZS span calibration
START MULTI-POINT CALIBRATION Beginning multi-point calibration
FINISH MULTI-POINT CALIBRATION Finished multi-point calibration
1
Depends on which units are currently selected.
Whenever the analyzer starts or finishes an Zero/Span calibration, it issues a status report to the
RS-232 interface. If the RS-232 interface is in the normal mode, these reports will be sent.
Otherwise, they will be discarded. The format of these messages is:
C DDD:HH:MM IIII CALIBRATION STATUS MESSAGE
An example of an actual sequence of calibration status messages is:
C DDD:HH:MM IIII START MULTI-POINT CALIBRATION
C DDD:HH:MM IIII FINISH MULTI-POINT CALIBRATION
There are several methods of both checking the calibration and calibrating the M100AH that are
discussed in Section 8. The C command executes a calibration command, which may be one of
the following:
7-11