IT-5929 Temperature Transducer Trainer

Experiments Included:

Basic Control Systems Equipment and Terms Used

  • Study the difference between open loop and closed loop systems
  • Expression for the overall gain of a negative feedback closed loop system
  • Calculation of overall gain of a negative feedback closed loop system from given information
  • Basic components of a closed loop system and explain their functions
  • Meaning of terms associated with control system equipment

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
  • 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

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 or Rotational 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 an AC amplifier
  • 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

Description

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.

Features:

  • Sensors installed on-board
  • Transducers installed on-board
  • Control Circuits Installed
  • Drivers Installed
  • Protection Circuits Installed
  • Display Devices Installed
  • Measuring Devices Installed

Technical Features:

  • Fixed Supply DC: +5V, -5V, +12V, -12V
  • Signal Conditioning Circuits:
  • Comparator with Switchable Hysteresis
  • Amplifier with Switchable Gain and Offset Control
  • Differential Amplifier
  • Instrumentation Amplifier
  • X100 Amplifier
  • Electronic Switch
  • Wheatstone Bridge
  • Input / Output Transducers:
  • Rotary Wirewound
  • Slide Potentiometer
  • Buzzer
  • Relay
  • Sensors:
  • NTC Thermistors
  • Type ‘K’ Thermocouples
  • I.C. Temperature Sensor
  • Photoconductive Cell
  • Humidity Sensor
  • Measuring Devices:
  • 3 ½-Digit Digital Voltmeter
  • Output Devices:
  • Heater

Accessories: Power Cord, User Manual, Experiment Manual, 2mm Patch Cords