EN 62489-2-2011 电声学.辅助听力音频感应环路系统.第2部分:评估人体照射与指南一致的环路低频磁场放射的计算和测量方法

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【英文标准名称】:Electroacoustics-Audio-frequencyinductionloopsystemsforassistedhearing-Part2:Methodsofcalculatingandmeasuringthelow-frequencymagneticfieldemissionsfromtheloopforassessingconformitywithguidelinesonlimitsforhumanexposure(IE
【原文标准名称】:电声学.辅助听力音频感应环路系统.第2部分:评估人体照射与指南一致的环路低频磁场放射的计算和测量方法
【标准号】:EN62489-2-2011
【标准状态】:现行
【国别】:
【发布日期】:2011-12
【实施或试行日期】:2011-12-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acoustics;Amplifiers;Audioappliances;Audiofrequencies;Audiometry;Dataofthemanufacturer;Electroacoustics;Electromagneticinduction;Fieldstrength(electric);Frequencies;Hearingaids;Induction;Inductionloops;Interferingnoise;Magneticfieldmeasurement;Magneticfieldstrength;Magneticfields;Measurement;Measurementconditions;Measuringtechniques;Methodsformeasuring;Noiselevels;Physicalproperties;Ratings;Testing
【摘要】:
【中国标准分类号】:L31
【国际标准分类号】:11_180_15
【页数】:18P;A4
【正文语种】:英语


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Product Code:SAE ARP4378
Title:Aerospace - Accumulator, Hydraulic, Welded Bellows, Factory Precharged
Issuing Committee:A-6c6 Power Sources Committee
Scope:This Aerospace Recommended Practice (ARP) provides design and test requirements for factory precharged, welded bellows hydraulic accumulators.MIL-STD-841B(USAF) (NOTICE 1), MILITARY STANDARD, MARKING OF AIRCRAFT AND MISSILE PROPULSION SYSTEM PARTS FABRICATED FROM CRITICAL HIGH TEMPERATURE ALLOYS (18 MAY 1996)., MIL-STD-841B, dated 01 July 1971, is hereby canceled without replacement.