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DIN 45646 : 1988

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

MEASUREMENT PROCEDURES FOR DUCTED SILENCERS; INSERTION LOSS, TRANSMISSION LOSS, FLOW NOISE, TOTAL PRESSURE LOSS
Superseded date

01-09-1995

Published date

12-01-2013

Publisher

German Institute for Standardisation (Deutsches Institut für Normung)

1 Zweck
2 Anwendungsbereich
3 Begriffe und Formelzeichen
4 Messanordnungen und Messeinrichtungen
5 Durchführung der Messung
6 Messbericht
7 Ergebnisbericht
Anhang A Aufbau der Sendeapparatur zur Schallfeldanregung
         und Eignungsprüfung
Anhang B Reflexionsarmer Kanalabschluss
Anhang C Transmissionselement
Anhang D Kanalwände und Grenzdämpfungsmass
Anhang E Beispiele für Messaufbauten
Zitierte Normen und andere Unterlagen
Erläuterungen

DocumentType
Standard
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Superseded

Standards Relationship
ISO 7235:2003 Corresponds

DIN IEC 60651:1981-12 SOUND LEVEL METERS
DIN 45635-9:1989-12 MEASUREMENT OF AIRBORNE NOISE EMITTED BY MACHINES; IN-DUCT-METHOD; ENGINEERING METHOD
DIN 1952:1982-07 MEASUREMENT OF FLUID FLOW BY MEANS OF ORIFICE PLATES, NOZZLES AND VENTURI TUBES INSERTED IN CIRCULAR CROSS SECTION CONDUITS RUNNING FULL (VDI RULES FOR MEASUREMENT OF FLUID)
DIN 45401:1985-02 ACOUSTIC, ELECTROACOUSTIC; STANDARD FREQUENCIES FOR MEASUREMENTS
DIN ISO 5725:1988-04 PRECISION OF TEST METHODS - DETERMINATION OF REPEATABILITY AND REPRODUCIBILITY FOR A STANDARD TEST METHOD BY INTER-LABORATORY TESTS
DIN IEC 60804:1987-01 INTEGRATING AVERAGING SOUND LEVEL METERS
DIN 45635-1:1984-04 MEASUREMENT OF AIRBORNE NOISE EMITTED BY MACHINES; ENVELOPING SURFACE METHOD; BASIC REQUIREMENTS FOR 3 ACCURACY CLASSES
DIN 45635-2:1987-10 MEASUREMENT OF AIRBORNE NOISE EMITTED BY MACHINES; REVERBERATION ROOM METHOD; BASIC MEASUREMENT METHOD (PRECISION METHOD)
ISO 7235:2003 Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss
DIN 45652:1964-01 THIRD OCTAVE FILTERS FOR ELECTRO-ACOUSTICAL MEASUREMENTS

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