How does a strain gauge work?
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter11: Calibrating Instruments
Section: Chapter Questions
Problem 1RQ: What does "calibrating an instrument" mean?
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Question
How does a strain gauge work?
Expert Solution
Step 1
Strain gauge:
- It is a sensor whose resistance varies with applied force.
- It then converts force, pressure, tension,etc., into a change in electrical resistance which can then be measured.
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