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VACUUM CONTROL
NEEDLE VALVE (SUPPLIED LOOSE)
PI
.010 ORIFICE
H O
2
MOISTURE SENSOR OUTLET
PROCESS INLET
REAR PANEL
FLOW METER
(FRONT)
EXTERNAL
VACUUM PUMP
(SUPPLIED LOOSE)
MOISTURE
SAMPLE VENT
Figure 15: Block Diagram of Gas Flow Path and Optional Vacuum Pump
FLOW METER
REAR PANEL
FLOWSWITCH
(FRONT)
(REAR)
EXTERNAL
VACUUM PUMP
(SUPPLIED LOOSE)
MOISTURE
SAMPLE VENT
VACUUM CONTROL
NEEDLE VALVE (SUPPLIED LOOSE)
PI
.010 ORIFICE
V1
V2
H O
2
REGULATOR
ADJUSTMENT
MOISTURE SENSOR OUTLET
PROCESS INLET
BYPASS OUTLET
BYPASS FLOWMETER
BYPASS FLOW ADJUST
Figure 16: Block Diagram of Gas Flow Path with Optional Valves and Vacuum Pump