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ISO 29821:2018Withdrawn

Condition monitoring and diagnostics of machines — Ultrasound — General guidelines, procedures and validation

Surveillance des conditions et diagnostic d'état des machines — Ultrasons

This edition has been replaced by ISO 29821:2026.

Abstract / scope

ISO 29821:2018

- gives guidelines for establishing severity assessment criteria for anomalies identified by airborne (AB) and structure-borne (SB) ultrasound,

- specifies methods and requirements for carrying out ultrasonic examination of machines, including safety recommendations and sources of error, and

- provides information relative to data interpretation, assessment criteria and reporting.

Life cycle

Replaces

ISO 29821-1:2011WithdrawnCondition monitoring and diagnostics of machines — Ultrasound — Part 1: General guidelinesInternational Standard · Published 15 Apr 2011 · ISO/TC 108/SC 5 ISO 29821-2:2016WithdrawnCondition monitoring and diagnostics of machines — Ultrasound — Part 2: Procedures and validationInternational Standard · Published 4 Apr 2016 · ISO/TC 108/SC 5

Replaced by

ISO 29821:2026PublishedCondition monitoring and diagnostics of machine systems — Ultrasound — General requirements, guidelines, procedures and validationInternational Standard · Published 16 Apr 2026 · ISO/TC 108/SC 5