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 an operational manual
Experiments:
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 wire wound
- Characteristics of output voltage against variable control setting
- Comparison of a carbon track variable resistor to the wire wound type Automation & Control Technology
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
Comparators Oscillators and Filters
- Characteristics of a comparator
- Effect of hysteresis on the operation of a comparator
Control Systems Characteristics
- Characteristics of an ON/OFF system
Practical Control Systems
- Characteristics of an ON/OFF temperature control system
