Your search resulted in 4 documents for "BS BS EN 60645-4" amongst all current BS documents.

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  1. MOST RECENT

    1326126

    BS EN ISO 389-5:2006▹

    Acoustics. Reference zero for the calibration of audiometric equipment-Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz

    standard by British Standard / European Standard / International Organization for Standardization, 02/28/2007.

    Languages: English

    Historical Editions: BS EN ISO 389-5:2001

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  2. MOST RECENT

    1672223

    BS EN ISO 389-9:2009▹

    Acoustics. Reference zero for the calibration of audiometric equipment-Preferred test conditions for the determination of reference hearing threshold levels

    standard by British Standard / European Standard / International Organization for Standardization, 02/28/2010.

    Languages: English

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  3. MOST RECENT

    1999916

    BS EN 60645-1:2017▹

    Electroacoustics. Audiometric equipment-Equipment for pure-tone and speech audiometry

    standard by British-Adopted European Standard, 11/21/2017.

    Languages: English

    Historical Editions: BS EN 60645-1:2015, BS 08/30176438 DC, BS EN 60645-1:2001, BS EN 60645-2:1997, BS EN 60645-4:1995, BS EN 60645-1:1995, BS 5966:1980

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  4. MOST RECENT

    2094170

    BS EN ISO 389-7:2019▹

    Acoustics. Reference zero for the calibration of audiometric equipment-Reference threshold of hearing under free-field and diffuse-field listening conditions

    standard by British Standard / European Standard / International Organization for Standardization, 12/06/2019.

    Languages: English

    Historical Editions: BS EN ISO 389-7:2005+A1:2016, BS EN ISO 389-7:2005, BS EN ISO 389-7:1998

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