• BS 7113:1989

BS 7113:1989

Specification for reference levels for narrow-band masking noise

BSI Group, 09/29/1989

Publisher: BS

File Format: PDF

$76.00$152.40


Published:29/09/1989

Pages:12

File Size:1 file

Note:This product is unavailable in Ukraine, Russia, Belarus

Reference levels for calibration of narrow-band masking noise presented by air conduction from an earphone in pure tone audiometry. Data are given for noise bandwidths of one-third and one-half octaves.

All current amendments available at time of purchase are included with the purchase of this document.

More BS standard pdf

BS PD IEC TR 61340-1:2012+A1:2020

BS PD IEC TR 61340-1:2012+A1:2020

Electrostatics-Electrostatic phenomena. Principles and measurements

$147.00 $294.64

BS NA+A1:2020 TO EN 1991-2:2003

BS NA+A1:2020 TO EN 1991-2:2003

National Annex (informative) to BS EN 1991-2:2003, Eurocode 1: Actions on structures-Traffic loads on bridges

$175.00 $350.52

BS PD CEN ISO/TR 24971:2020 EXCOMM - SET

BS PD CEN ISO/TR 24971:2020 EXCOMM - SET

Medical devices. Guidance on the application of ISO 14971

$199.00 $398.78

BS PD IEC TS 62257-9-8:2020

BS PD IEC TS 62257-9-8:2020

Renewable energy and hybrid systems for rural electrification-Integrated systems. Requirements for stand-alone renewable energy products with power ratings less than or equal to 350 W

$189.00 $378.46