Pneumatic Layout For Ambient Zero/Ambient Span Valve Option; Pneumatic Connections For Ambient Zero/Pressurized Span; Figure 3-22: Internal Pneumatic Flow Opt 50A - Zero/Span Valves; Table 3-8: Zero/Span Valve Operating States For Option 50A - Teledyne T300 Operation Manual

Teledyne API – Model T300/T300M CO Analyzer

3.3.2.4. PNEUMATIC LAYOUT FOR AMBIENT ZERO/AMBIENT SPAN VALVE OPTION

Sample
SAMPLE
Gas
GAS INLET
In
Span
PRESSURE
Gas
SPAN INLET
In
VENT SPAN
OUTLET
Zero
ZERO AIR
Gas
INLET
In
EXHAUST
GAS OUTLET
Figure 3-22:

Table 3-8: Zero/Span Valve Operating States for Option 50A

3.3.2.5. PNEUMATIC CONNECTIONS FOR AMBIENT ZERO/PRESSURIZED SPAN

06864B DCN6314
E O
XHAUST 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.
Flow / Pressure
Sensor PCA
PUMP
Sample Gas
Flow Control
Internal Pneumatic Flow OPT 50A – Zero/Span Valves
MODE VALVE
SAMPLE Sample/Cal
(Normal
Zero/Span
State)
Sample/Cal
ZERO CAL
Zero/Span
Sample/Cal
SPAN CAL
Zero/Span
This option requires that both zero air and span gas be supplied from external sources.
Sample / Cal
Valve
Zero / Span
Valve
SAMPLE
PRESSURE
SENSOR
FLOW
SENSOR
CONDITION
Open to SAMPLE inlet
Open to IZS inlet
Open to ZERO/SPAN valve
Open to IZS inlet
Open to ZERO/SPAN valve
Open to PRESSURE SPAN inlet
Getting Started
INSTRUMENT CHASSIS
Particulate
Filter
GFC Motor Heat
Sync
GFC Wheel
Housing
SAMPLE CHAMBER
67