strain gauge

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English

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Noun

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strain gauge (plural strain gauges)

  1. A device that measures the strain in a structural element by measuring changes in electrical resistance of a sensor attached to the element under investigation.
    • 1964 November, “Automatic helper locomotive control on the Louisville & Nashville RR, USA”, in Modern Railways, page 354:
      A strain gauge in the couplers of this unit [...] measures continuously the drawbar tension exerted by the locomotives at the front end and the bogie wagons trailing to the rear of it.

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