NA 001

DIN/VDI Standards Committee Acoustics, Noise Control and Vibration Engineering


Mechanical vibration - Measurement and evaluation of machine vibration - Part 3: Coupled industrial machines (ISO 20816-3)


This document describes the general requirements for evaluating the vibration of various industrial machine types, with a power above 15 kW and operating speeds between 120 r/min and 30 000 r/min. This document provides specific guidance for a) assessing the severity of vibration measured on bearings, bearing pedestals, or housings of industrial machines when measurements are made in-situ. b) measuring radial shaft vibration on coupled industrial machines Evaluation criteria, based on previous experience, are given for use as guidelines for assessing the vibratory conditions of such machines. Criteria are provided for assessing the machine vibration. One criterion considers the magnitude of the observed vibration; the second considers the changes in the magnitude. It must be recognized, however, that these criteria do not form the only basis for judging the severity of vibration.



Planned document number

DIN ISO 20816-3

Project number


Responsible national committee

NA 001-03-03 AA - Measurement and evaluation of vibration of machines 

Responsible international committee

ISO/TC 108/SC 2/WG 1 - Rotordynamics and vibration of machines 

previous edition(s)

Mechanical vibration - Evaluation of machine vibration by measurements on non-rotating parts - Part 3: Industrial machines with nominal power above 15 kW and nominal speeds between 120 r/min and 15000 r/min when measured in situ (ISO 10816-3:2009 + Amd.1:2017)

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Mechanical vibration - Evaluation of machine vibration by measurements on rotating shafts - Part 3: Coupled industrial machines (ISO 7919-3:2009)

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