Name: ISO 21289:2008 — Mechanical vibration and shock — Parameters to be specified for the acquisition of vibration data
SKU: ISO 21289:2008
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Overview

ISO 21289:2008 - Mechanical vibration and shock defines the parameters to be specified for the acquisition of vibration data. It provides a structured checklist of metadata and measurement settings that should accompany vibration tests made with modern data acquisition systems (including digital signal processors and commercial instrumentation). The standard is intended to reduce ambiguity, improve reproducibility and database quality, and support consistent reporting, archiving and comparison of vibration measurements for structures, machines, vehicles, sensitive equipment and other dynamic systems.

Key topics and technical requirements

ISO 21289:2008 identifies the essential parameters to specify when planning, executing and reporting vibration measurements. Major topics include:

General test information
- Concerned parties, test objectives, test object identification, test location and dates
- Test and environmental conditions; boundary conditions and varying test states
- Required test documentation and applicable test standards
Measurement definition
- Value to be measured and engineering units (SI)
- Measurement locations with unambiguous codes and spatial references
- Degrees of freedom and frame of reference (translation/rotation and polarity)
Test equipment
- Data acquisition system components (manufacturer, model, serial, calibration)
- Transducer details (type, attachment, calibration, manufacturer specs)
- Vibration excitation source (generator type, force/displacement characteristics)
- Other supporting equipment and special requirements
Data acquisition and signal processing
- Data products to be produced (time history, spectrum, frequency-response function, coherence)
- Time parameters, sampling frequency, triggers (pre-trigger, delay)
- Window functions (per ISO 18431-2), averaging, overlap, filtering parameters
- Excitation time histories and reference measurements (input force, cross-spectra)

Applications and users

ISO 21289:2008 is practical for:

Test engineers and vibration analysts performing laboratory or field vibration tests
R&D and certification laboratories testing structures, machines, vehicles and sensitive equipment
Condition monitoring teams building vibration databases for fault diagnosis
Procurement/specification authors who must define test requirements unambiguously

Benefits include clearer test specifications, improved data interoperability, easier long-term archiving and more reliable comparison of results between organizations or test campaigns.

Related standards

ISO 2041 - Vocabulary for mechanical vibration, shock and condition monitoring
ISO 18431-2 - Time domain windows for Fourier Transform analysis (signal processing)
ISO 18431-1 and ISO 13373-1 are also referenced for additional signal-processing and database guidance

Keywords: ISO 21289:2008, vibration data acquisition, mechanical vibration and shock, vibration measurement parameters, data acquisition systems, signal processing, transducers, frequency-response function.

ISO 21289:2008 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

Related standards

Технические детали

ISO 18431-2:2004

Mechanical vibration and shock — Signal processing — Part 2: Time domain windows for Fourier Transform analys…

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ISO 18431-1:2005

Mechanical vibration and shock — Signal processing — Part 1: General introduction

ISO 13373-1:2002

Condition monitoring and diagnostics of machines — Vibration condition monitoring — Part 1: General procedures