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每页显示20 条，共找到 1855 条结果 <92/93>

标准编号	标准名称	发布部门	发布日期	状态
KS C IEC 60118-4:2017	Hearing aids - Part 4:Magnetic field strength in audio - frequency induction loops for hearing aid purposes	Korean Sta..	2017-08-29	废止
KS C IEC 61669:2017	Electroacoustics — Measurement of real-ear acoustical performance characteristics of hearing aids	Korean Sta..	2017-08-29	废止
KS C IEC 61672-1:2017	Electroacoustics - Sound level meters - Part 1:Specifications	Korean Sta..	2017-08-29	废止
KS C IEC 60942:2017	Electroacoustics — Sound calibrators	Korean Sta..	2017-08-29	废止
KS C IEC 61043A:2017	Electroacousitics — Instruments for the measurement of sound intensity — Measurement with pairs of pressure sensing microphones	Korean Sta..	2017-08-29	废止
KS C IEC 61094-8:2017	Electroacoustics — Measurement microphones — Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison	Korean Sta..	2017-08-29	废止
KS C IEC 62489-2:2017	Electroacoustics — Audio-frequency induction loop systems for assisted hearing — Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure	Korean Sta..	2017-08-29	废止
KS C IEC 61252:2017	Electroacoustics — Specifications for personal sound exposure meters	Korean Sta..	2017-08-29	废止
KS C IEC 61265:2017	Electroacoustics — Instruments for measurement of aircraft noise — Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes	Korean Sta..	2017-08-29	废止
KS C IEC 61672-2:2017	Electroacoustics - Sound level meters - Part 2:Pattern evaluation tests	Korean Sta..	2017-08-29	废止
KS C IEC 62489-1:2017	Electroacoustics — Audio-frequency induction loop systems for assisted hearing — Part 1: Methods of measuring and specifying the performance of system components	Korean Sta..	2017-08-29	废止
KS C IEC TS 61094-7:2017	Electroacoustics — Measurement microphones — Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones	Korean Sta..	2017-08-29	废止
KS C IEC TS 62370:2017	Electroacoustics — Instruments for the measurement of sound intensity — Electromagnetic and electrostatic compatibility requirements and test procedures	Korean Sta..	2017-08-29	废止
I.S. EN 60500:2017	Underwater Acoustics - Hydrophones - Properties of Hydrophones in the Frequency Range 1 hz to 500 khz	National S..	2017-08-15	现行
IEC/TS 62462 Ed. 2.0	Ultrasonics - Output test - Guidance for the maintenance of ultrasound physiotherapy systems	Internatio..	2017-07-26	现行
IEC 61391-1 Amd.1 Ed. 1.0	Amendment 1 - Ultrasonics - Pulse-echo scanners Part 1: Techniques for calibrating spatial measurement systems and measurement of point-spread function response	Internatio..	2017-07-10	现行
IEC 61391-1 Ed. 1.1	Ultrasonics - Pulse-echo scanners Part 1: Techniques for calibrating spatial measurement systems and measurement of point-spread function response	Internatio..	2017-07-10	现行
DIN EN 50332-3 (2017-07)	Sound System Equipment: Headphones And Earphones Associated With Personal Music Players - Maximum Sound Pressure Level Measurement Methodology - Part 3: Measurement Method For Sound Dose Management	German Ins..	2017-07-01	现行
DIN EN 61672-3 (2017-05)	Electroacoustics - Sound Level Meters - Part 3: Periodic Tests (iec 61672-3:2013)	German Ins..	2017-05-01	现行
IEC/TS 60318-7 Ed. 2.0	Electroacoustics - Simulators of human head and ear Part 7: Head and torso simulator for the measurement of air-conduction hearing aids	Internatio..	2017-04-12	现行

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