NS EN ISO 22868 : 2011

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Quantities to be measured and quantities to be determined
5 A-weighted sound power level determination
6 A-weighted emission sound pressure level measurement
  at the operator position
  6.1 General
  6.2 Requirements for artificial surface
  6.3 Requirements for ground
  6.4 Requirements for concrete floor covered with sawdust
7 Installation, mounting and operating conditions
8 Information to be recorded and reported
9 Declaration of noise emission values
Annex A (normative) Specific conditions for chain-saws
Annex B (normative) Specific conditions for brush-cutters
         and grass-trimmers
Annex C (informative) Example of water brake mounted on
         chain-saw bar to simulate cutting
Annex D (informative) A-weighted sound power level
         determination according to European Directive on
         noise from machines used outdoors, 2000/14/EC
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 98/37 EEC
Bibliography

Describes a noise test code for determining, efficiently and under standardized conditions, the noise emission characteristics of portable, hand-held, internal combustion-engine-powered forest machines such as chain-saws, brush-cutters and grass-trimmers.