Nordic Round Robin Test on Hearing Protectors

  • Poulsen, Torben (Project Manager)

    Project Details

    Description

    The sound field requirements in the hearing protector standard ISO 4869-1 are under discussion at present and should be changed in a coming revision of the standard. The test facilities available to the members of the Nordic HAKK-group cover various ways to fulfil the sound field requirements. Therefore a Round Robin Test has been initiated with the aim of determining — and comparing between laboratories — the attenuation of two hearing protectors of the muff type and one of the plug type.
    In 1999 the results were presented to ASA(Boston), at EAA/ASA conference, Berlin, at 6ICSV, Lyngby and at various working group meetings.
    In 1999 some sound field mesurements have been performed at the participating laboratories. These measurements will continue in year 2000.
    StatusFinished
    Effective start/end date01/01/199630/12/1997

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