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Instruction Manual
760004-A
February 2002
1-2 Description and Specifications Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA 2000 HFID
concentration of hydrocarbons in the sample.
This measure of concentration is placed on the
network, where it can be shown on a data
acquisition device.
Figure 1-1. Flame Ionization Detection Technology
C
Positive
Carbon
Ions
Si
g
nal Conditionin
g
Negative Ion
Collection Plate
Sample
Air
Fuel
+90V