Pneumatic Layout For Zero Scrubber/Pressurized Span Option; Figure 3-26: Internal Pneumatic Flow Opt 50E - Zero Scrubber/Pressurized Span; Table 3-10: Zero/Span Valve Operating States For Option 51E - Teledyne T300 Operation Manual

Teledyne API – Model T300/T300M CO Analyzer

3.3.2.8. PNEUMATIC LAYOUT FOR ZERO SCRUBBER/PRESSURIZED SPAN OPTION

Sample
SAMPLE
Gas
GAS INLET
In
Span
PRESSURE
Gas
SPAN INLET
In
VENT SPAN
OUTLET
ZERO AIR
Ambient
INLET
EXHAUST
GAS OUTLET
Figure 3-26:
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.
Shutoff
Valve
ZERO Air
Scrubber
Flow / Pressure
Sensor PCA
PUMP
Sample Gas
Flow Control
Internal Pneumatic Flow OPT 50E – Zero Scrubber/Pressurized Span

Table 3-10: Zero/Span Valve Operating States for Option 51E

Mode
SAMPLE
(Normal State)
ZERO CAL
SPAN CAL
Sample / Cal
Valve
Particulate
Filter
Zero / Span
Valve
SAMPLE CHAMBER
SAMPLE
PRESSURE
SENSOR
FLOW
SENSOR
Valve
Sample/Cal
Zero/Span
Shutoff Valve
Sample/Cal
Zero/Span
Shutoff Valve
Sample/Cal
Zero/Span
Shutoff Valve
Getting Started
INSTRUMENT CHASSIS
GFC Motor Heat
Sync
GFC Wheel
Housing
Condition
Open to SAMPLE inlet
Open to internal ZERO AIR
scrubber
Closed
Open to zero/span valve
Open to internal ZERO AIR
scrubber
Closed
Open to ZERO/SPAN valve
Open to SHUTOFF valve
Open to PRESSURE SPAN
inlet
71