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Model GFC7000E Instruction Manual Getting Started
04584 Rev A1 17
MODEL 700
Gas Dilution
Calibrator
VENT
Calibrated
CO
2
Gas
Source of
SAMPLE Gas
Removed
during
Calibration
MODEL
GFC7000E
Sam
p
le
IZS
Exhaust
Vent S
p
an
Pressure Span
Pur
g
e In
MODEL 701
Zero Air Generator
Indicating
soda-lime
Figure 3-4: Pneumatic Connections–Basic Configuration–Using Gas Dilution Calibrator
1. Attach a sample inlet line to the sample inlet port. The SAMPLE input line should not be more
than 2 meters long.
NOTE
Ideally, the pressure of the sample gas should be at ambient pressure (0
psig). Maximum pressure of sample gas should not exceed 1.5 in-Hg over
ambient.
In applications where the sample gas is received from a pressurized
manifold, a vent must be placed as shown to equalize the sample gas with
ambient atmospheric pressure before it enters the analyzer.
This vent line must be:
• At least 0.2m long
• No more than 2m long and vented outside the shelter or immediate
area surrounding the instrument.