TELEDYNE API T300M - Pneumatic Flow: Ambient Zero;Ambient Span Valve Option; Figure 2-22. T300;T300 M Internal Pneumatic Flow Option 50 A - Zero;Span Valves; Table 2-7. Zero;Span Valve Operating States for Option 50 A

083730300A DCN8101 Getting Started 49
2.3.3.2 PNEUMATIC FLOW: AMBIENT ZERO/AMBIENT SPAN VALVE 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
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 2-22. T300/T300M Internal Pneumatic Flow Option 50A – Zero/Span Valves
Table 2-7. Zero/Span Valve Operating States for Option 50A
MODE VALVE CONDITION
SAMPLE
(Normal
State)
Sample/Cal Open to SAMPLE inlet
Zero/Span
Open to IZSError! Bookmark not
defined. inlet
ZERO CAL
Sample/Cal Open to ZERO/SPAN valve
Zero/Span
Open to IZSError! Bookmark not
defined. inlet
SPAN CAL
Sample/Cal Open to ZERO/SPAN valve
Zero/Span Open to PRESSURE SPAN inlet