Teledyne t320u Manuale Utente
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.
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.
analyzer.
E
XHAUST
O
UTLET
Attach an exhaust line to the analyzer’s EXHAUST outlet fitting. The exhaust line
should be:
should be:
PTEF tubing; minimum O.D ¼”;
A maximum of 10 meters long;
Vented outside the analyzer’s enclosure.
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