Teledyne T300, Operation Manual, Page: 71 / 426

Teledyne API – Model T300/T300M CO Analyzer Getting Started
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•
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
INSTRUMENT CHASSIS
Flow / Pressure
Sensor PCA SAMPLE
PRESSURE
SENSOR
FLOW
SENSOR
Sample Gas
Flow Control
SAMPLE
GAS INLET
EXHAUST
GAS OUTLET
Particulate
Filter
PUMP
ZERO AIR
INLET
PRESSURE
SPAN INLET
VENT SPAN
OUTLET
Shutoff
Valve
Sample / Cal
Valve
Zero / Span
Valve
GFC Wheel
Housing
GFC Motor Heat
Sync
SAMPLE CHAMBER
Zero
Gas
In
Sample
Gas
In
Span
Gas
In
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
(Normal
State)
Sample/Cal Open to SAMPLE inlet
Zero/Span Open to IZS inlet
Shutoff Valve Closed
ZERO CAL
Sample/Cal Open to ZERO/SPAN valve
Zero/Span Open to IZS inlet
Shutoff Valve Closed
SPAN CAL
Sample/Cal Open to ZERO/SPAN valve
Zero/Span Open to SHUTOFF valve
Shutoff Valve Open to PRESSURE SPAN Inlet
06864B DCN6314