This section provides an overview for gauss meters as well as their applications and principles. Also, please take a look at the list of 10 gauss meter manufacturers and their company rankings.
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A gauss meter is a device that measures the amount and direction of magnetic flux per unit area. It used to be also called a gauss meter, but since magnetic flux density is now expressed in tesla according to the SI unit system, the device is often called a teslameter.
A gauss meter is used to measure the magnetic flux density at each location to be measured, or to measure the magnetic flux density at each point away from a magnet or other sample with magnetic force. For products that handle magnetic force, such as magnets, the strength and direction of the magnetic force are physical properties that affect the quality of the product, so the evaluation of magnetic flux density is important.
Magnetic flux gauss meters are used to evaluate products that handle magnetism, such as permanent magnets and electromagnets. Magnetic flux density is often inspected not only at one point, but at multiple points. It is also used to measure the flux leakage that protrudes from a magnetic circuit such as a coil.
When magnetic materials such as steel are processed and shaped, they are exposed to magnetic fields, and if these magnetic fields remain in the final product, they can cause various defects and malfunctions in the surrounding equipment. Gauss meters are also used to measure the residual magnetism of such products.
Gauss meters consist of a magnetic probe with a built-in magnetic sensor and an analyzing section that calculates and displays the magnetic flux density. Since magnetic flux density is a vector quantity with magnitude and direction, magnetic flux density is measured at various locations when actually used. Portable gauss meters are also available, which are used to measure the magnetic flux density of products after processing and shaping and to measure residual magnetism.
Magnetic flux density is an important physical property for products that use magnetic force. Especially for permanent magnets and electromagnets, magnetic flux density is related to quality. In addition, since the generation of magnetic fields is an unavoidable phenomenon in coils and electric circuits, magnetic flux density is also measured in these electric circuits. Since magnetic fields are generated around circuits, leakage flux may be detected even outside the circuits. Gauss meters are also used to measure this flux leakage.
Other magnetic materials, such as steel, may be subjected to magnetic fields during the manufacturing process. Such steel materials are demagnetized, but in some cases, residual magnetism may remain. Gauss meters can also be used to measure the residual magnetism of such steel.
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