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

BS EN ISO 389-3
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold vibratory force levels for pure tones and bone vibrators

Title (German)

Akustik. Standard-Bezugspegel für die Kalibrierung audiometrischer Geräte. Äquivalente Bezugs- Schwellenkraftpegel für reine Töne und Knochenleitungshörer

Edition 2016-02-29

Original language English

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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

BS EN ISO 389-3 Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold vibratory force levels for pure tones and bone vibrators

Want to learn more?

BS EN ISO 389-3
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold vibratory force levels for pure tones and bone vibrators