Teledyne t320, t320u - page 71

Teledyne API – Model T300/T300M CO Analyzer Getting Started
69
 At least 0.2m long;
 No more than 2m long and;
 Vented outside the shelter or immediate area surrounding the instrument.
A similar vent line should be connected to the VENT SPAN outlet on the back of the
analyzer.
EXHAUST OUTLET
Attach an exhaust line to the analyzer’s EXHAUST outlet fitting. The exhaust line
should be:
 PTEF tubing; minimum O.D ¼”;
 A maximum of 10 meters long;
 Vented outside the analyzer’s enclosure.
3.3.2.6. PNEUMATIC LAYOUT FOR AMBIENT ZERO/PRESSURIZED SPAN OPTION
Figure 3-24: Internal Pneumatic Flow OPT 50B – Zero/Span/Shutoff Valves
Table 3-9: Zero/Span Valve Operating States for Option 50B
MODE VALVE CONDITION
Sample/Cal Open to SAMPLE inlet
Zero/Span Open to IZS inlet
SAMPLE
(Normal
State) Shutoff Valve Closed
Sample/Cal Open to ZERO/SPAN valve
Zero/Span Open to IZS inlet
ZERO CAL
Shutoff Valve Closed
Sample/Cal Open to ZERO/SPAN valve
Zero/Span Open to SHUTOFF valve
SPAN CAL
Shutoff Valve Open to PRESSURE SPAN Inlet
06864B DCN6314