• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Publications of NA 001

Order from DIN Media
ISO 389-2 1994-07 Standards Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones More  Order from DIN Media
ISO 389-3 2016-02 Standards Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators More  Order from DIN Media
ISO 389-4 1994-10 Standards Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise More  Order from DIN Media
ISO 389-5 2006-11 Standards Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz More  Order from DIN Media
ISO 389-6 2007-07 Standards Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: Reference threshold of hearing for test signals of short duration More  Order from DIN Media
ISO 389-7 2019-10 Standards Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions More  Order from DIN Media
ISO 389-8 2004-05 Standards Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones More  Order from DIN Media
ISO 389-9 2009-05 Standards Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels More  Order from DIN Media
ISO 532-1 2017-06 Standards Acoustics - Methods for calculating loudness - Part 1: Zwicker method More  Order from DIN Media
ISO 532-2 2017-06 Standards Acoustics - Methods for calculating loudness - Part 2: Moore-Glasberg method More  Order from DIN Media

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