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Model GFC7000E Instruction Manual Calibration Procedures
04584 Rev A1 134
Source of
SAMPLE Gas
VENT
VENT
Certified
CO
2
Gas
Source of
SAMPLE Gas
VENT if input is pressurized
Needle
valve to
control
flow
MODEL
GFC7000E
Sam
p
le
IZS
Exhaust
Vent S
p
an
Pressure Span
Pur
g
e In
Indicating
soda-lime
MODEL 701
Zero Air
Generator
Figure 7-3: Pneumatic Connections–MGFC7000E with Zero/Span/Shutoff Valves (OPT
50)
VENT
Certified
CO
2
Gas
Source of
SAMPLE Gas
VENT if input is pressurized
External Zero
Air Scrubber
MODEL
GFC7000E
Sam
p
le
IZS
Exhaust
Vent S
p
an
Pressure Span
Pur
g
e In
Indicating
soda-lime
MODEL 701
Zero Air
Generator
Figure 7-4 Pneumatic Connections–MGFC7000E with Zero/Span/Shutoff Valves and
External Zero Air Scrubber (OPT 51)
Source of
SAMPLE Gas
VENT if input is pressurized
Needle
valve to
control flow
VENT
VENT
MODEL
GFC7000E
Sam
p
le
IZS
Exhaust
Vent S
p
an
Pressure Span
Pur
g
e In
MODEL 700
Gas Dilution
Calibrator
Indicating
soda-lime
MODEL 701
Zero Air
Generator
Certified
CO
2
Gas