6.2. Displacement and Position Sensors

Try these first

1. 1.

   What principle does an LVDT operate on?

   Hint

   Think of how magnetism can induce electricity.

2. 2.

   What type of sensor measures resistance change?

   Hint

   What changes when you move a wiper?

3. 3.

   What does an LVDT measure?

   • Temperature
   • Displacement
   • Pressure

   Hint

   Think about what 'LVDT' stands for.

4. 4.

   True or False: Laser distance meters require contact with the surface to measure distance.

   • True
   • False

   Hint

   Consider the method they use for measurements.

5. 5.

   A civil engineer needs to monitor bridge expansion in a warm climate. Which sensor would they choose and why?

   Hint

   Think about how precise measurements are essential in structural integrity.

6. 6.

   Comparing the use of potentiometric sensors and laser distance meters in different construction environments. What are the advantages and disadvantages of each?

   Hint

   Consider the impact of environmental conditions on sensor functionality.