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17.140.50 Elektroakustika

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135 results

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BS EN IEC 63045:2020
Ultrasonics. Non-focusing short pressure pulse sources including ballistic pressure pulse sources. Characteristics of fields

Vydáno: 2020-07-27

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BS EN ISO 389-1:2018
Acoustics. Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones

Vydáno: 2018-03-02

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BS EN 61094-8:2012
Electroacoustics. Measurement microphones Methods for determining the free-field sensitivity of working standard microphones by comparison

Vydáno: 2013-05-31

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BS EN 60118-12:1997
Hearing aids Dimensions of electrical connector systems

Vydáno: 1997-09-15

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BS EN IEC 62127-1:2022 - TC
Tracked Changes. Ultrasonics. Hydrophones Measurement and characterization of medical ultrasonic fields

Vydáno: 2023-10-17

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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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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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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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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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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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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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135 results

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