Back Dehnungsmessstreifen ALS مقياس الانفعال Arabic Galga extensomètrica Catalan Tenzometr Czech Strain gauge Danish Dehnungsmessstreifen German Galga extensiométrica Spanish حسگر سنجش فشار Persian Venymäliuska-anturi Finnish Jauge de déformation French

Strain gauge

Typical foil strain gauge; the blue region is conductive and resistance is measured from one large blue pad to the other. The gauge is far more sensitive to strain in the vertical direction than in the horizontal direction. The markings outside the active area help to align the gauge during installation.

A strain gauge (also spelled strain gage) is a device used to measure strain on an object. Invented by Edward E. Simmons and Arthur C. Ruge in 1938, the most common type of strain gauge consists of an insulating flexible backing which supports a metallic foil pattern. The gauge is attached to the object by a suitable adhesive, such as cyanoacrylate.[1] As the object is deformed, the foil is deformed, causing its electrical resistance to change. This resistance change, usually measured using a Wheatstone bridge, is related to the strain by the quantity known as the gauge factor.

  1. ^ Strain Gage: Materials

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