Spectrasensors SS1000 - Faults; Validating the Analyzer; To Validate the Analyzer

Operating the Analyzer
301-92-4 A .ver 97020-00094
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11. Scroll through the parameters by pressing the * key until arriving at
the Peak Tracking parameter.
12. Press the 1 key followed by the * key to turn peak tracking on. Press
the # key followed by the 1 key to return to Mode 1.
The analyzer should stabilize at the new settings within a few minutes.
Faults
Fault messages appear on the front panel LCD. System faults include one or
more of the following:
• Power Fail: this fault occurs when the DC signal becomes too weak
for a reliable measurement typically as a result of mirr
or
contamination.
• Null Fail: this fault occurs if the detector signal value is out of the
range of -50 to +50 when the laser is turned off.
• Spectrum Fail: this fault occurs when the system is unable to
adequately fit a curve to the measured signal typically as a result of
DC signal saturation in the absence of absorbing gas in the
measurement cell, too much noise in the signal or an unexpected gas
mixture in the measurement cell.
• P/T Fail: this fault occurs when the pressure and/or temperature in
the measurement cell exceeds the specified maximum operating
levels.
• Track Fail: this fault occurs when the peak tracking function is out
of range [PkDf (factory set midpoint) and PkD1 (peak track
midpoint) differ by more than 4 counts].
See Appendix A for recommendations and solutions to common problems
resulting in a system fault.
Validating the Analyzer
Validation of the analyzer can be achieved by measuring an appropriate gas
standard.
To validate the analyzer:
1. Connect a bottle of validation gas to the sample supply port (at the
specified supply pressure).
<SET PARAMETER MODE>
Peak Tracking
1
0:O 1:Track 2:Reset
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