Emerson NGA2000 TO2 Benutzerhandbuch

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Instruction Manual 
748374-F 
March 2003 
Rosemount Analytical Inc.    A Division of Emerson Process Management 
Startup and Operation           3-5 
Model NGA2000 TO2 
3-8 ALARM INDICATION 
NGA analyzer modules continuously monitor a 
number of internal parameters.  It is possible to 
make the analyzer generate certain kinds of 
alarm indications if these parameters' values 
exceed or reduce below specified levels.  The 
general alarm variable will have its value 
changed if an alarm occurs.  See the NGA Ref-
erence manual for further details. 
 
 
DESCRIPTION TYPE 
Low Electrolyte 
WARNING
Low Sample Flow 
WARNING
Sleep Mode 
WARNING
Low Sensor Temperature 
WARNING
High Sensor Temperature  WARNING
Software Error 
FAILURE 
 
Table 3-1.  Trace Oxygen Analyzer Module Alarms