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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF S30-007-2 ; NF EN ISO 389-2:1996-11-01
Acoustics. Reference zero for the calibration of audiometric equipment. Part 2: reference equivalent threshold sound pressure levels for pure tones and insert earphones

Title (German)

AKUSTIK. STANDARD-BEZUGSPEGEL FUER DIE KALIBRIERUNG AUDIOMETRISCHER GERAETE. TEIL 2: AEQUIVALENTE BEZUGS-SCHWELLENSCHALLDRUCKPEGEL FUER REINE TOENE UND EINSTECKHOERER. (EUROPAEISCHE NORM EN ISO 389-2)

Edition 1996-11-01

Original language French

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Terminology

Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF S30-007-2 ; NF EN ISO 389-2:1996-11-01 Acoustics. Reference zero for the calibration of audiometric equipment. Part 2: reference equivalent threshold sound pressure levels for pure tones and insert earphones

Want to learn more?

NF S30-007-2 ; NF EN ISO 389-2:1996-11-01
Acoustics. Reference zero for the calibration of audiometric equipment. Part 2: reference equivalent threshold sound pressure levels for pure tones and insert earphones