BS EN ISO 389-1:2018 PDF

Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.

Open preview (PDF)Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.

Title (English):

BS EN ISO 389-1:2018

Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.

Document status:

Active

Format:

Electronic (PDF)

Number of pages:

18

Publication date:

March 2, 2018

SKU:

BS EN ISO 389-1:2018