ISO 7235:1991

Acoustics — Measurement procedures for ducted silencers — Insertion loss, flow noise and total pressure loss

95.99 Withdrawal of Standard 28 gush 2003

General information

Current stage: 95.99 Effective date: 28 gush 2003

Originator: ISO

Owner: ISO/TC 43/SC 1

Type: International Standard

ICS: 91.120.20

Scope

Specifies the substitution method for determining the insertion loss. The measurement procedures are intended for laboratory measurements on silencers but may also be used for in situ measurements on silencers if the requirements of ISO 7235 can be met. Applies to silencers for ventilating and air-conditioning systems. Does not apply to reactive silencers used for motor vehicles.

Life cycle

NOW

WITHDRAWN
ISO 7235:1991
95.99 Withdrawal of Standard
28 gush 2003

REVISED BY

PUBLISHED
ISO 7235:2003

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