AS/NZS ISO 389.1:2019 [ Current ]

AS/NZS ISO 389.1:2019 [ Current ] Acoustics - Reference zero for the calibration of audiometric equipment, Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
standard by Standards Australia / Standards New Zealand, 02/25/2019

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Full Description

The objective of this Standard is to specify a standard reference zero for the scale of hearing threshold level applicable to pure-tone air conduction audiometers, to promote agreement and uniformity in the expression of hearing threshold level measurements throughout the world.

Product Details

Edition: 1st Published: 02/25/2019 ISBN(s): 9781760723736 Number of Pages: 10 File Size: 1 file , 480 KB Product Code(s): 10086722, 10086697, 10086713