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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 S30-007-3 ; NF EN ISO 389-3:2016-04-09
Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: reference equivalent threshold vibratory force levels for pure tones and bone vibrators

Title (German)

Akustik - Standard-Bezugspegel für die Kalibrierung audionetrischer Geräte - Teil 3: Äquivalente Bezugs- Schwellenkraftpegel für reine Töne und Knochenleitungshörer

Edition 2016-04-09

Original language French

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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 S30-007-3 ; NF EN ISO 389-3:2016-04-09 Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: reference equivalent threshold vibratory force levels for pure tones and bone vibrators

Want to learn more?

NF S30-007-3 ; NF EN ISO 389-3:2016-04-09
Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: reference equivalent threshold vibratory force levels for pure tones and bone vibrators