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GA0383P02 Rev. C
available through two four- to 20-milliamp (4-20mA) outputs.
· The particulate level of the generator and ambient air is updated every second.
Generator Only Operation
• When the GCM-A is in suspended operation, it will monitor the generator particulate level,
but it will not generate any alarms or warnings.
• The SYSTEM TROUBLE LED will be illuminated whenever the GCM-A is in this mode of
operation.
• The GCM-A monitors the flow rate with a flow sensor. It monitors the particulate level
with a cloud chamber detector.
• The GCM-A will display the particulate level of the generator air on the LED bar graph
labeled “GEN”; the bar graph labeled “AMB” will read zero. The particulate level of the
ambient air will not be checked. The particulate level of the generator air is also available
through its four- to 20-milliamp (4-20mA) output.
• The particulate level of the generator air is updated every second.
(Ambient Only Operation, cont’d)