UNI EN 12053 : 2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
  3.1 A-weighted emission sound pressure level at the
      operator's position for the operational cycle
      L[p][AZ]
  3.2 A-weighted sound power level in an operational
      cycle L[WAZ]
  3.3 Forwards operation
  3.4 Industrial and rough terrain truck families
  3.5 Idling
4 Installation and equipment
  4.1 Test environment
  4.2 Equipment and condition of the truck
  4.3 Position of the truck during measurement
      4.3.1 LIFT and IDLE conditions
      4.3.2 DRIVE condition
5 Operating conditions during measurement
  5.1 General
  5.2 Load of the truck
  5.3 Operation of the truck during measurement
      5.3.1 General
      5.3.2 LIFT condition
      5.3.3 IDLE condition
      5.3.4 DRIVE condition
  5.4 Trucks equipped with a cab
      5.4.1 Cab with an air conditioning and/or
            pressurized ventilating system(s)
      5.4.2 Cab without air conditioning or
            pressurized ventilating system(s)
6 Noise determination
  6.1 Instrumentation
  6.2 Microphone positions
      6.2.1 Microphone positions for determination
            of the sound pressure levels at the
            operator's position
      6.2.2 Microphone positions for determination
            of the sound power levels
  6.3 Measurements
      6.3.1 Measurements of sound pressure levels
            at operator's position
      6.3.2 Sound power level determination
7 Measurement uncertainties
8 Information to be recorded
9 Declaration of noise emission values
Annex A (Normative) - Calculation of levels in an
        average operational cycle
      A.1 Calculation of the emission sound pressure
          level in an operational cycle
      A.2 Calculation of the sound power level for
          an operational cycle
      A.3 Time proportion factors of the operating
          conditions
Annex ZA (informative) - Relationship between this
         European Standard and the Essential Requirements
         of EU Directive 98/37/EC
Annex ZB (informative) - Relationship between this
         European Standard and the Essential Requirements
         of EU Directive 2006/42/EC

Describes methods for determining the sound pressure level at the operator's position and the sound power level of industrial and rough terrain trucks.