99/710387 DC : DRAFT JUN 99

1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Description of machinery family
6 Sound power level determination
   6.1 Introduction
   6.2 Determination of sound power level using ISO 3744-11
   6.3 Determination of sound power level by calculation
        from the A-weighted emission sound pressure level
        at the work station
7 Emission sound pressure level determination
   7.1 Introduction
   7.2 Measurement surface
   7.3 Emission sound pressure level at the work station
8 Installation and mounting conditions of the power tools
   during noise tests
   8.1 General
   8.2 Loading devices
9 Loading and operating conditions
   9.1 General
   9.2 Orbital and random orbital sanders
   9.3 Percussive non-rotary tools - where the piston and
        working tools are in two parts (not integrated)
   9.4 Needle scalers
   9.5 Percussive rotary tools
   9.6 Ratcheting screwdrivers, impact wrenches and impulse
        wrenches
10 Measurement uncertainty
11 Information to be recorded
   11.1 General
   11.2 Description of the power tool
   11.3 Loading and operating conditions
   11.4 Acoustic environment
   11.5 Instrumentation
   11.6 Test arrangements
   11.7 Acoustical data
12 Information to be reported
13 Declaration and verification of noise emission values

EN ISO 15744