A bonded strain gage is a type of transducer used to measure strain on an object. It is a small device that is bonded to the surface of the object being measured and is used to measure the strain or deformation of the object.

The strain gage consists of a thin metal foil that is bonded to the surface of the object. The strain gage is connected to a Wheatstone bridge circuit, which is used to measure the resistance of the strain gage. The resistance of the strain gage changes as the object is deformed, and this change in resistance is used to measure the strain on the object.

Bonded strain gages are used in a variety of applications, including measuring the strain on bridges, buildings, and other structures. They are also used in medical applications, such as measuring the strain on bones and muscles. Bonded strain gages are also used in industrial applications, such as measuring the strain on machine parts and components.

Bonded strain gages are typically made from a thin metal foil, such as copper or nickel. The metal foil is bonded to the surface of the object being measured using an adhesive. The strain gage is then connected to a Wheatstone bridge circuit, which is used to measure the resistance of the strain gage. The resistance of the strain gage changes as the object is deformed, and this change in resistance is used to measure the strain on the object.

Bonded strain gages are relatively inexpensive and easy to install. They are also very accurate and reliable, making them a popular choice for many applications. However, bonded strain gages are not suitable for measuring very high strains, as the metal foil can become damaged or break if the strain is too high.

Bonded strain gages are an important tool for measuring strain on objects. They are relatively inexpensive, easy to install, and accurate. They are used in a variety of applications, including measuring the strain on bridges, buildings, and other structures, as well as in medical and industrial applications.