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BS - British national standards
Page 2870
BS EN ISO 389-3:2016-TC (27/02/2020)
Tracked Changes. Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold vibratory force levels for pure tones and bone vibrators.
Available languages: English
Available design: electronic design (pdf), Print design
from 418.90 USD more info
BS EN ISO 389-4:1999 (15/07/1999)
Acoustics. Reference zero for the calibration of audiometric equipment. Reference levels for narrow-band masking noise.
Available languages: English
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from 213.30 USD more info
BS EN ISO 389-5:2006 (28/02/2007)
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz.
Available languages: English
Available design: PDF - Immediate download, Print design
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BS EN ISO 389-6:2007 (31/08/2007)
Acoustics. Reference zero for the calibration of audiometric equipment. Reference threshold of hearing for test signals of short duration.
Available languages: English
Available design: PDF - Immediate download, Print design
from 213.30 USD more info
BS EN ISO 389-7:2019 (06/12/2019)
Acoustics. Reference zero for the calibration of audiometric equipment. Reference threshold of hearing under free-field and diffuse-field listening conditions.
Available languages: English
Available design: PDF - Immediate download, Print design
from 213.30 USD more info
BS EN ISO 389-8:2004 (08/06/2004)
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones.
Available languages: English
Available design: PDF - Immediate download, Print design
from 213.30 USD more info
BS EN ISO 389-9:2009 (28/02/2010)
Acoustics. Reference zero for the calibration of audiometric equipment. Preferred test conditions for the determination of reference hearing threshold levels.
Available languages: English
Available design: PDF - Immediate download, Print design
from 213.30 USD more info
BS ISO 3890-1:2009 (31/03/2010)
Milk and milk products. Determination of residues of organochlorine compounds (pesticides). General considerations and extraction methods.
Available languages: English
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from 298.10 USD more info
BS ISO 3890-2:2009 (30/04/2010)
Milk and milk products. Determination of residues of organochlorine compounds (pesticides). Test methods for crude extract purification and confirmation.
Available languages: English
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from 349.50 USD more info
BS EN 3890:2002 (11/01/2002)
Aerospace series. Steel FE-WM1502 (X11CrNiMoVN12-3). Filler metal for welding.
Available languages: English
Available design: PDF - Immediate download, Print design
from 182.40 USD more info
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