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Getting Started Teledyne API Model T360/T360M Operation Manual
46
Figure 3-12: Pneumatic Connections–Basic Configuration–Using Bottled Span Gas
Figure 3-13: 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.
2. Attach sources of zero air and span gas (see Figures 3-3 through 3-8
inclusive).
Span Gas is a gas specifically mixed to match the chemical composition
of the type of gas being measured at near full scale of the desired
measurement range.
In the case of CO
2
measurements made with the Teledyne Instruments Model
T360 Analyzer it is recommended that you use a gas calibrated to have a CO
2
content equaling 80% of the range of compositions being measured.
07272B DCN6552