Lecture 17 - Transducers

Date: 10/18/16

Summary

Transducers are how we can turn physical quantities into mechanical and electrical signals that we can more easily measure. In this class we will go over transducers to measure temperature, force, displacement, pressure, and more.

Class Plan

  • Discuss the role of a transducer
  • Show the difference between analog and digital transducers
  • Discuss thermistors, thermocouples, and RTDs for temperature measurement
  • Discuss DCDTs, LVDTs, and other displacement transducers
  • Discuss strain gauges for force/strain measurement
  • Discuss pressure transducers

Activity

Complete the Thermistor Calculation Activity. Due 10/20/16

Assignment

Find an object that you will instrument for the strain gauge activity. This could be a piece of rock, a coffee mug, or anything else you can think you. Remember that you must be able to mount the strain gauges to it, so a smooth surface is necessary. Due: 10/25/16