Temperature Detectors
OBJECTIVES
TERMINAL OBJECTIVE
1.0
Given a temperature instrument, RELATE the associated fundamental principles,
including possible failure modes, to that instrument.
ENABLING OBJECTIVES
1.1
DESCRIBE the construction of a basic RTD including:
a.
Major component arrangement
b.
Materials used
1.2
EXPLAIN how RTD resistance varies for the following:
a.
An increase in temperature
b.
A decrease in temperature
1.3
EXPLAIN how an RTD provides an output representative of the measured
temperature.
1.4
DESCRIBE the basic construction of a thermocouple including:
a.
Major component arrangement
b.
Materials used
1.5
EXPLAIN how a thermocouple provides an output representative of the measured
temperature.
1.6
STATE the three basic functions of temperature detectors.
1.7
DESCRIBE the two alternate methods of determining temperature when the normal
temperature sensing devices are inoperable.
1.8
STATE the two environmental concerns which can affect the accuracy and reliability of
temperature detection instrumentation.
1.9
Given a simplified schematic diagram of a basic bridge circuit, STATE the purpose of
the following components:
a.
R1 and R2
b.
Rx
c.
Adjustable resistor
d.
Sensitive ammeter
Rev. 0
Page v
IC-01
