Noise testing

The tests according to ISO 3744 are acoustic tests used to determine the sound power level or sound energy level of a noise source in an environment near the free acoustic space. The device under test is placed on a reflecting plane, and the sound pressure levels are measured on a surface surrounding the device. These sound pressure levels are then used to calculate the sound power level or sound energy level of the noise source.

ISO 3744 tests are applicable to any type and size of noise source, including:

  • Electrical and electronic equipment.
  • Industrial machinery.

ISO 3744 tests are used for various purposes, including:

  • Compliance with regulations.
  • Health and safety risk assessment.

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