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Calibration Procedures Teledyne API Model T360/T360M Operation Manual
174
VENT
Figure 5-3: Pneumatic Connections – Ambient Zero/Pressurized Span Valves
Source of
SAMPLE GAS
Removed during
calibration
VENT
Calibrated
CO
2
Gas
at span gas
concentration
V
ENT here if input
is pressurized
Chassis
PRESSURE SPAN
IZS
PURGE LINE
SAMPLE
EXHAUST
VENT SPAN
External
Zero Air
Scrubber
N
2
Figure 5-4: Pneumatic Connections – Ambient Zero/Pressurized Span Valves and External
Zero Air Scrubber
07272B DCN6552