TELEDYNE API T300M - Pneumatic Flow: Ambient Zero;Pressurized Span Option; Figure 2-23. T300;T300 M Internal Pneumatic Flow Option 50 B - Zero;Span;Shutoff Valves; Table 2-8. Zero;Span Valve Operating States for Option 50 B

50 Getting Started 083730300A DCN8101
2.3.3.3 PNEUMATIC FLOW: 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 2-23. T300/T300M Internal Pneumatic Flow Option 50B – Zero/Span/Shutoff Valves
Table 2-8. 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