Teledyne t320u Manuale Utente

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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. 
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. 
3.3.2.6. 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