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Instruction Manual
748297-E
June 2003
Rosemount Analytical Inc. A Division of Emerson Process Management Startup and Operation 3-7
Model NGA2000 HFID
0
0.2
0.4
0.6
0.8
1.0
RESPONSE
(100 ppm CH
4
fullscale)
SAMPLE: 100 ppm CH
4
in N
2
at 3.5 psig (241 hPa)
0
5
344
10
688
15
1032
20
1376
25
1726
30
2064
psig
hPa
FUEL PRESSURE
A
IR: 30 psi
g
(
2064 hPa
)
A
IR: 20 psig (1376 hPa)
A
IR: 10 psig (688 hPa)
0
0.2
0.4
0.6
0.8
1.0
RESPONSE
(100 ppm CH
4
fullscale)
SAMPLE: 100 ppm CH
4
in N
2
at 3.5 psig (241 hPa)
0
5
344
10
688
15
1032
20
1376
25
1726
30
2064
psig
hPa
AIR PRESSURE
FUEL: 30 psig (2064 hPa) H
2
FUEL: 25 psig (1726 hPa) H
2
FUEL: 20 psig (1376 hPa) H
2
Figure 3-1. Typical Curves of Module Response vs. Pressure Setting on Fuel Pressure Regulator
Figure 3-2. Typical Curves of Module Response vs. Pressure Setting on Air Pressure Regulator