Guide to ISO basic standards for measurement of noise emission of machines

This guide is aimed at UK industry involved in machinery noise emission measurement. It provides information on the ISO basic set of noise emission standards including their short term revision, uncertainty budgets, and related NPL research.

Contents

• Introduction and background
• Overview of the standards
  • ISO series of standards
  • Basis of measurement methods
  • Grades of accuracy
• Short term revision of the standards
  • Objectives of revision
  • Summary of changes
• Uncertainty budgets
  • General calculation of uncertainty
  • ISO 3744 budget
  • Uncertainty calculator
• NPL research into sound power measurement uncertainty
  • delta slm
  • delta rep
  • delta boun
  • delta angle
  • delta met
  • Related NPL research
• Future for the standards - long term revision

For further information, please contact Richard Barham or Dan Simmons