Service manual technical overview 117, Nibp pneumatics during pump up to target pressure – Welch Allyn PROPAQ CS User Manual

Page 121

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Service Manual

Technical overview

117

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)

NIBP PNEUMATICS AT REST BETWEEN MEASUREMENTS

0696-62

TO DAP A-D

CONVERTER

TO DCP A-D

CONVERTER

CUFF

PRIMARY

TRANSDUCER

SECONDARY

TRANSDUCER

DUMP

VALVE

CLOSED

SERVO

(LINEAR)

VALVE

PARTIALLY

OPEN

BLEED
VALVE

CLOSED

PUMP

ON

ATMOSPHERIC PRESSURE

INCREASING PRESSURE (INFLATION)

DECREASING PRESSURE (DEFLATION)

PRESSURIZED (TARGET REACHED)

NIBP PNEUMATICS DURING PUMP UP TO TARGET PRESSURE

0696-63

TO DAP A-D

CONVERTER

TO DCP A-D

CONVERTER

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