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13.140 Noise with respect to human beings
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BS EN ISO 389-2:1997
Acoustics. Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones and insert earphones
Acoustics. Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones and insert earphones
Released: 1995-03-15
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187.11 USD
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BS EN ISO 8253-1:2010
Acoustics. Audiometric test methods Pure-tone air and bone conduction audiometry
Acoustics. Audiometric test methods Pure-tone air and bone conduction audiometry
Released: 2011-01-31
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358.40 USD
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BS EN ISO 22868:2021
Forestry and gardening machinery. Noise test code for portable hand-held machines with internal combustion engine. Engineering method (Grade 2 accuracy)
Forestry and gardening machinery. Noise test code for portable hand-held machines with internal combustion engine. Engineering method (Grade 2 accuracy)
Released: 2021-04-08
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403.20 USD
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BS ISO 22955:2021
Acoustics. Acoustic quality of open office spaces
Acoustics. Acoustic quality of open office spaces
Released: 2021-05-06
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403.20 USD
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BS EN ISO 8253-3:2022
Acoustics. Audiometric test methods Speech audiometry
Acoustics. Audiometric test methods Speech audiometry
Released: 2022-03-30
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424.28 USD
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BS EN IEC 61252:2025 - TC
Tracked Changes. Electroacoustics. Personal sound exposure meters
Tracked Changes. Electroacoustics. Personal sound exposure meters
Released: 2025-12-19
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595.58 USD
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26/30545913 DC
BS EN IEC 60645-6 Amd.1 Amendment 1 - Electroacoustics - Audiometric equipment Part 6: Instruments for the measurement of otoacoustic emissions
BS EN IEC 60645-6 Amd.1 Amendment 1 - Electroacoustics - Audiometric equipment Part 6: Instruments for the measurement of otoacoustic emissions
Released: 2025-12-26
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26.35 USD
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