Jetzt auswählen und bestellen
56,10 €
exkl. USt.
In den Warenkorb
Icon ISO
Icon ISO
Technische Regel

ISO/TR 4869-3:1989

Ausgabedatum: 1989 11 30

Acoustics — Hearing protectors — Part 3: Simplified method for the measurement of insertion loss of ear-muff type protectors for quality inspection purposes

The procedure specified may be used to investigate production spreads of performance as part of type approval or certification procedures and the change of performance wi...
ZURÜCKGEZOGEN: 2007 06 26
Herausgeber:
International Organization for Standardization
Format:
Digital | 7 Seiten
Sprache:
Englisch
Aktuell Gültig:

The procedure specified may be used to investigate production spreads of performance as part of type approval or certification procedures and the change of performance with age. It is not intended to be used as the basic test for type approval purposes. Performance data obtained are not to be quoted as representing the real-ear sound attenuation of an ear-muff, nor the protection provided by the ear-muff.

ISO 4869-3:2007
2007 06 26
Acoustics — Hearing protectors — Part 3: Measurement of insertion loss of ear-muff type protectors u...
Norm
ISO/TR 4869-3:1989
1989 11 30
Acoustics — Hearing protectors — Part 3: Simplified method for the measurement of insertion loss of ...
Technische Regel
Norm
ISO 4869-3:2007
Ausgabedatum : 2007 06 26
Acoustics — Hearing protectors — Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture