Pressure Detectors
OBJECTIVES
TERMINAL OBJECTIVE
1.0
Given a pressure instrument, RELATE the fundamental principles, including possible
failure modes, to that specific instrument.
ENABLING OBJECTIVES
1.1
EXPLAIN how a bellows-type pressure detector produces an output signal including:
a.
Method of detection
b.
Method of signal generation
1.2
EXPLAIN how a bourdon tube-type pressure detector produces an output signal
including:
a.
Method of detection
b.
Method of signal generation
1.3
STATE the three functions of pressure measuring instrumentation.
1.4
DESCRIBE the three alternate methods of determining pressure when the normal
pressure sensing devices are inoperable.
1.5
STATE the three environmental concerns which can affect the accuracy and reliability
of pressure detection instrumentation.
1.6
EXPLAIN how a strain gauge pressure transducer produces an output signal including:
a.
Method of detection
b.
Method of signal generation
1.7
Given a basic block diagram of a typical pressure detection device, STATE the purpose
of the following blocks:
a.
Sensing element
b.
Transducer
c.
Pressure detection circuitry
d.
Pressure indication
Rev. 0
Page v
IC-02