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Getting StartedTeledyne API – Model T300/T300M CO Analyzer
Teledyne Analytical Instruments 64
INLET PRESSURE RATING/CONSIDERATION
This instrument has no significant internal restriction other than the flow control device
and pressure sensor shown in Figure 3-20. Sample must be introduced to the inlet fitting
at a fraction of a PSI above ambient pressure, just enough to drive the flow to the proper
value range. Depending on the ultimate sample or calibration gas source pressure, a
needle valve, restrictor, critical orifice or combination there should be deployed to
achieve this. Do not directly apply significant pressure to the inlet of the unit under any
circumstances, as damage / and or personal injury may result.
E
XHAUST OUTLET
Attach an exhaust line to the analyzer’s EXHAUST outlet fitting. The exhaust line
should be:
PTEF tubing; minimum O.D 1/4”
Maximum length of 10 meters
Vented outside the analyzer’s enclosure.
3.3.2.4. PNEUMATIC LAYOUT FOR ZERO/ SPAN VALVE OPTION
Figure 3-22 Internal Pneumatic Flow OPT 50A – Zero/Span Valves