BS EN 60318-6-2008 电声学.人头和人耳模拟器.骨振器的测量用机械耦合器

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【英文标准名称】:Electroacoustics-Simulatorsofhumanheadandear-Part6:Mechanicalcouplerforthemeasurementofbonevibrators
【原文标准名称】:电声学.人头和人耳模拟器.骨振器的测量用机械耦合器
【标准号】:BSEN60318-6-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-09-30
【实施或试行日期】:2008-09-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;仿真乳突;听力测定;骨导体;骨振器;校准;耦合器;设计;电气工程;电声学;频率;频率范围;助听器;阻抗;使用说明书;作标记;测量;医疗技术学;规范
【英文主题词】:Acoustics;Artificialmastoids;Audiometry;Boneconductors;Bonevibrator;Calibration;Couplers;Design;Electricalengineering;Electroacoustics;Frequencies;Frequencyranges;Hearingaids;Impedance;Instructionsforuse;Marking;Measurement;Medicaltechnology;Specification
【摘要】:ThispartofIEC60318describesamechanicalcouplerforthemeasurementoftheoutputforceofbonevibrators.Themechanicalimpedanceofthecouplerisspecifiedinthefrequencyrange125Hzto8000Hz.Thecouplerisintendedforcalibrationofaudiometersusingbonevibratorshavingaplanecirculartipareaof175mm2±25mm2andfordeterminingtheperformanceofboneconductionhearingaids.Thevibratoryforcedevelopedbyabonevibratorisnot,ingeneral,thesameonthecouplerasonaperson’smastoid.However,theIECrecommendsitsuseasameansforthecalibrationofspecifiedvibratorsusedinaudiometryandfortheexchangeofspecificationsandofdataonboneconductionhearingaids.NOTESomebonevibratorsofhearingaidsandsomenon-standardisedbonevibratorsstillusedinaudiometryhaveacurvedsurface.UsersshouldbeawarethatthosevibratorsingeneralwillnotbeloadedonthemechanicalcouplerwiththesamemechanicalimpedanceastheonespecifiedinTable1ofthisstandard.
【中国标准分类号】:L31
【国际标准分类号】:17_140_50
【页数】:18P.;A4
【正文语种】:英语