This International Standard outlines methods and requirements for carrying out condition monitoring and diagnostics of machines using airborne/structure borne ultrasound. It provides measurement, data interpretation and assessment criteria. This is typically carried out on operating machinery under a range of conditions and environments. This is a passive technique that detects acoustic anomalies produced bymachines.
DS/ISO 29821-1:2011 history
2011DS/ISO 29821-1:2011 Condition monitoring and diagnostics of machines - Ultrasound - Part 1: General guidelines