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Fig. 9 | Animal Biotelemetry

Fig. 9

From: An overview of behavioral, physiological, and environmental sensors used in animal biotelemetry and biologging studies

Fig. 9

The strain gauge consists of a transducer, consisting of an element that changes resistance based on the force of pressure (a). A force is applied to the carrier that causes the Wheatstone bridge to become unbalanced (bottom right in b). The resistance in strain gauge #1 increases and in gauge #2 decreases (bottom left in b), and this results in a small resistance change. Shown in center is strain gauge transducer, consisting of four inner posts with coiled wire around them that change the resistance in a full Wheatstone bridge circuit based on the compression of the stainless-steel capsule

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