Teledyne GFC-7001E - Trace CO Analyzer - Manual (Page 32)

Getting Started Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 32
Figure 3-2: Rear Panel Layout
Table 3-2: Inlet / Outlet Connector Nomenclature
REAR PANEL LABEL FUNCTION
SAMPLE
Connect a gas line from the source of sample gas here.
Calibration gases are also inlet here on units without zero/span/shutoff valve options
installed.
EXHAUST
Connect an exhaust gas line of not more than 10 meters long here that leads outside
the shelter or immediate area surrounding the instrument.
Pressure Span
On units with zero/span/shutoff valve options installed, connect a gas line to the source
of calibrated span gas here.
Vent/Span
Span gas vent outlet for units with zero/span/shutoff valve options installed.
Connect an exhaust gas line of not more than 10 meters long here that leads outside
the shelter or immediate area surrounding the instrument.
IZS
Internal Zero Air: On units with zero/span/shutoff valve options installed but no internal
zero air scrubber attach a gas line to the source of zero air here.