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  • Author Author: pchan
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Strain Gauges Quiz

Strain gauges are used to measure strain in several applications, including aerospace, transportation, industrial and more. Test your knowledge with our quiz on strain gauges.

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Quiz | Sensors | Industrial Automation | Resource | Transportation & Automotive

 

Strain Gauges Quiz

Strain Gauges Quiz
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  • Is it possible to make a water level indicator on Strain gauges?

  • in reply to maxpowerr

    Possible, but could be very troublesome depends on your application. If you only wish to know if the water hit the desired level or not, you can mount the gauge on a material that would slightly bent (but not over-bent as gauge has its max. elongation) and put it parallel to water surface at the desired level location. The gauge resistance would be altered when water hit the level & bend the substrate.

    Otherwise, you will need to use the gauge to measure the overall weight of the water, a.k.a use a load cell. You might also think using the water pressure but the difficulty is on finding the right substrate that is sensitive enough to curve the right amount when the pressure change while not breaking the strain gauge. Using a force sensitive resistor or piezoresistive film is much robust & cost effective in this case.

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  • in reply to maxpowerr

    Possible, but could be very troublesome depends on your application. If you only wish to know if the water hit the desired level or not, you can mount the gauge on a material that would slightly bent (but not over-bent as gauge has its max. elongation) and put it parallel to water surface at the desired level location. The gauge resistance would be altered when water hit the level & bend the substrate.

    Otherwise, you will need to use the gauge to measure the overall weight of the water, a.k.a use a load cell. You might also think using the water pressure but the difficulty is on finding the right substrate that is sensitive enough to curve the right amount when the pressure change while not breaking the strain gauge. Using a force sensitive resistor or piezoresistive film is much robust & cost effective in this case.

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