Strain Gauges

Strain Gauges are usually composed of sensitive grating, base, cover and lead wire. The sensitive grating is the core part and is generally made of metal foil or filament material. Its geometry and material selection directly affect the sensitivity and stability of the strain gauge. To improve measurement accuracy, strain gauges are often used in conjunction with Wheatstone bridge circuits to accurately measure the strain by comparing changes in known and unknown resistance. It is mainly used to detect and record the strain change of the object during the stress process. Its working principle is based on converting small deformation into measurable electrical signals, so as to achieve real-time monitoring of the strain state of the object. This conversion process usually relies on sensitive elements inside the strain gauge, such as resistance strain gauges or optical fibers, which are able to respond to changes in strain and produce a corresponding electrical output.

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