Experiments Included:

Wheatstone Bridge Measurement

  • Basics of Wheatstone Bridge circuit for resistance measurement
  • Describe the term “null balance”
  • Calculation of an unknown resistance from the
  • Bridge values at balance
  • Factors affecting the resolution and accuracy of measurements
  • Discuss the reason for the three-wire resistance circuit

Positional Resistance Transducers

  • Basic construction of rotary and slider variable resistors
  • State that the resistance section may be either a carbon track or wirewound
  • Characteristics of output voltage against variable control setting
  • Comparison of a carbon track variable resistor to the wirewound type

Temperature Measurement

  • Characteristic of an IC temperature sensor
  • Construction and characteristics of a platinum
  • RTD resistance transducer
  • Construction and characteristics of an NTC
  • Thermistor
  • Characteristic of NTC Thermistor bridge circuits
  • Construction and characteristics of a Thermocouple
  • Deduce temperatures from a voltage reading across a transducer

Sound Output

  • Construction and characteristics of a buzzer Linear Motion
  • Construction and characteristics of a DC relay

Signal Conditioning Amplifier

  • Characteristics and application of DC amplifiers
  • The term “Offset” and the need for offset control
  • Characteristics and application of a differential amplifier

Control Systems Characteristics

  • Characteristics of an ON/OFF system Practical Control Systems
  • Characteristics of an ON/OFF temperature
    control system

IT-5929 Trainer introduces students to Temperature transducers, signal conditioning circuits and display devices through a wide range of practical activities. The study module includes transducers and instrumentation trainer and a curriculum manual.