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Standards [CURRENT]

NF C97-896-1 ; NF EN IEC 63296-1:2021-08-20

Portable multimedia equipment - Determination of battery duration - Part 1: powered loudspeaker equipment
Edition 2021-08-20

Standards [CURRENT]

NF C97-896-2 ; NF EN IEC 63296-2:2024-01-19

Portable multimedia equipment - Determination of battery duration - Part 2: Headphones and earphones with active noise-cancelling functions
Edition 2024-01-19

Standards [CURRENT]

NF C97-904 ; NF EN 61157:2008-03-01

Standard means for the reporting of the acoustic output of medical diagnostic ultrasonic equipment
Edition 2008-03-01

Standards [CURRENT]

NF C97-904/A1 ; NF EN 61157/A1:2013-07-26

Standard means for the reporting of the acoustic output of medical diagnostic ultrasonic equipment
Edition 2013-07-26

Standards [CURRENT]

NF C97-905 ; NF EN 61161:2013-08-17

Ultrasonics - Power measurement - Radiation force balances and performance requirements
Edition 2013-08-17

Standards [CURRENT]

NF C97-906 ; NF EN 61206:1995-12-01

Ultrasonic. Continuous-wave doppler systems. Test procedures
Edition 1995-12-01

Standards [CURRENT]

NF C97-908 ; NF EN 61266:1996-01-01

Ultrasonics. Hand-held probe doppler foetal heartbeat detectors. Performance requirements and methods of measurement and reporting
Edition 1996-01-01

Standards [CURRENT]

NF C97-909 ; NF EN IEC 61689:2022-04-22

Ultrasonics - Physiotherapy systems - Field specifications and methods of measurement in the frequency range 0,5 MHz to 5 MHz
Edition 2022-04-22

Standards [CURRENT]

NF C97-910 ; NF EN IEC 61846:2025-03-14

Ultrasonics - Therapeutic focused short pressure pulse sources - Characteristics of fields
Edition 2025-03-14

Standards [CURRENT]

NF C97-910 ; NF EN 61846:2006-03-01

Ultrasonics - Pressure pulse lithotripters - Characteristics of fields
Edition 2006-03-01

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