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Instruction Manual
760004-A
February 2002
P-2 Preface Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA 2000 HFID
SAFETY SUMMARY
If this equipment is used in a manner not specified in these instructions, protective systems may be
impaired.
AUTHORIZED PERSONNEL
To avoid explosion, loss of life, personal injury and damage to this equipment and on-site
property, all personnel authorized to install, operate and service the this equipment should be
thoroughly familiar with and strictly follow the instructions in this manual. SAVE THESE IN-
STRUCTIONS.
DANGER.
ELECTRICAL SHOCK HAZARD
Operate this equipment only when covers are secured. Servicing requires access to live parts
which can cause death or serious injury. Refer servicing to qualified personnel. For safety
and proper performance, this module must be connected to a properly grounded three-wire
source of electrical power.
WARNING .
POSSIBLE EXPLOSION HAZARD
This equipment is used in the analysis of sample gases which may be flammable, and the
burner fuel used in the ionization process is flammable. A continuous dilution purge system
is factory-installed (in accordance with Standard ANSI/NFPA 496-1993, Chapter 6, and it must
be functional at all times during operation. Do not disable this purge system.
WARNING.
FLAMMABLE SAMPLES
The internal compartment of the oven is vented to the main enclosure by the top and bottom
vents. DO NOT RESTRICT THOSE VENTS.
Consult the factory if flammable samples will be measured.