Teledyne GFC-7001T - Trace CO Analyzer - Manual (Page 70)

Getting StartedTeledyne API – Model T300/T300M CO Analyzer
Teledyne Analytical Instruments 70
 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.
E XHAUST O UTLET
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.
3.3.2.9. PNEUMATIC LAYOUT FOR ZERO SCRUBBER/ AMBIENT SPAN OPTION
Figure 3-27: Internal Pneumatic Flow OPT 50H – Zero Scrubber/Ambient Span
Table 3-11: Zero/Span Valve Operating States for Option 50H
MODE VALVE CONDITION
SAMPLE
(Normal
State)
Sample/Cal Open to SAMPLE inlet
Zero/Span Open to ZERO AIR scrubber
ZERO CAL
Sample/Cal Open to ZERO/SPAN valve
Zero/Span Open to ZERO AIR scrubber
SPAN CAL
Sample/Cal Open to ZERO/SPAN valve
Zero/Span Open to PRESSURE SPAN inlet