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>BSI Standards>17 METROLOGIE A MĚŘENÍ. FYZIKÁLNÍ JEVY>17.140 Akustika a akustická měření>17.140.50 Elektroakustika

17.140.50 Elektroakustika

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138 results
First page123...568101112Last page
PD IEC TS 62903:2023
Ultrasonics. Measurements of electroacoustical parameters and acoustic output power of spherically curved transducers using the self-reciprocity method
Vydáno: 2023-06-27
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23/30434159 DC
BS EN IEC 62359. Ultrasonics. Field characterization. Test methods for the determination of thermal and mechanical indices and acoustic intensities related to medical diagnostic ultrasonic fields
Vydáno: 2023-05-16
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PD IEC TS 62903:2023 - TC
Tracked Changes. Ultrasonics. Measurements of electroacoustical parameters and acoustic output power of spherically curved transducers using the self-reciprocity method
Vydáno: 2023-07-14
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24/30485512 DC
BS EN 60601-2-66 Medical electrical equipment Part 2-66: Particular requirements for the basic safety and essential performance of hearing aids and hearing aid systems
Vydáno: 2024-07-05
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24/30502805 DC
BS EN IEC 63440 Ultrasonics - Measurement of temperature rise produced by medical ultrasonic equipment
Vydáno: 2024-10-25
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BS EN IEC 62127-1:2022
Ultrasonics. Hydrophones Measurement and characterization of medical ultrasonic fields
Vydáno: 2022-08-24
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BS EN 61094-2:2009+A1:2022
Electroacoustics. Measurement microphones Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
Vydáno: 2022-08-03
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BS EN 61094-5:2016
Electroacoustics. Measurement microphones Methods for pressure calibration of working standard microphones by comparison
Vydáno: 2016-09-30
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BS 6083-5:1984
Hearing aids Specification for dimensions of the nipple and sealing device for insert earphones
Vydáno: 1984-03-30
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BS EN ISO 389-1:2018 - TC
Tracked Changes. Acoustics. Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Vydáno: 2020-02-25
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BS EN 61685:2002
Ultrasonics. Flow measurement systems. Flow test object
Vydáno: 2002-02-14
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BS EN 61094-6:2005
Measurement microphones Electrostatic actuators for determination of frequency response
Vydáno: 2005-02-24
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138 results
First page123...568101112Last page