Venitusmõõdik

Venitusmõõdik, also known as a strain gauge, is a sensor used to measure strain on an object. Strain is a measure of the deformation of a material in response to applied stress. A venitusmõõdik typically consists of a flexible backing material with a metallic foil pattern printed on it. When the object to which the venitusmõõdik is attached deforms, the foil pattern also deforms, changing its electrical resistance. This change in resistance is directly proportional to the strain experienced by the object.

To measure this change, the venitusmõõdik is usually incorporated into a Wheatstone bridge circuit. As the resistance of the venitusmõõdik changes, it unbalances the bridge, producing a measurable voltage output. This voltage can then be amplified and recorded by a data acquisition system.

Venitusmõõdikud are widely used in various engineering applications, including structural testing, load cell manufacturing, and material science research. They are crucial for monitoring the integrity of bridges, aircraft components, and other structures under stress. Their ability to provide precise strain measurements makes them indispensable tools for ensuring safety and optimizing performance in numerous fields. They are available in different sizes and configurations to suit specific measurement requirements and environmental conditions.