Welch Allyn PROPAQ CS - Manual (Page 123)

Service Manual Technical overview 119
CUFF
PRIMARY
TRANSDUCER
SECONDARY
TRANSDUCER
DUMP
VALVE
OPEN
SERVO
(LINEAR)
VALVE
CLOSED*
BLEED
VALVE
OPEN PUMP
OFF
ATMOSPHERIC PRESSURE
INCREASING PRESSURE (INFLATION)
DECREASING PRESSURE (DEFLATION)
PRESSURIZED (TARGET REACHED)
* VALVE IS INITIALLY CLOSED,
BUT OPENS AFTER INITIAL DUMPING
BEGINS BY DUMP VALVE. THIS CHECKS
INTEGRITY OF DUMP VALVE'S ABILITY TO
OPEN.
NIBP PNEUMATICS AFTER MEASUREMENT COMPLETE
0696-66
TO DAP A-D
CONVERTER
TO DCP A-D
CONVERTER