= Proof mass
{wiki=Proof_mass}
A proof mass, often referred to in the context of mechanical systems, is a mass used to provide a known weight for testing or calibration purposes. It is commonly utilized in various applications, such as in vibration testing, sensor calibration, and structural analysis. In the context of vibration testing, for instance, a proof mass can be attached to a structure or a sensor to simulate the effects of real loads, helping engineers assess how a system behaves under different conditions.
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