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AHRI 1120 : 2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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ACOUSTICAL TEST METHODS AND SOUND POWER RATING PROCEDURES FOR TRANSPORT REFRIGERATION EQUIPMENT

Superseded date

20-07-2024

Published date

12-01-2013

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Section 1. Purpose
Section 2. Scope
Section 3. Definitions
Section 4. Requirements for Conducting Sound Tests
Section 5. Sound Rating Procedures
Section 6. Minimum Data Requirements for Published Ratings
Section 7. Conformance Conditions
APPENDICES
Appendix A. References - Normative
Appendix B. References - Informative
Appendix C. Special Rating Procedure Using ISO 9614 - Informative
Appendix D. Information to be Recorded - Normative
Appendix E. Sound Pressure Measurement Method - Informative

Describes acoustical test methods and sound power rating procedures for Transport Refrigeration Equipment: definitions; test requirements; rating requirements; minimum data requirements for Published Ratings; and conformance conditions.

DocumentType
Standard
PublisherName
Air-Conditioning, Heating and Refrigeration Institute
Status
Superseded
SupersededBy

ISO 4871:1996 Acoustics — Declaration and verification of noise emission values of machinery and equipment
ISO 12001:1996 Acoustics — Noise emitted by machinery and equipment — Rules for the drafting and presentation of a noise test code
DIN 8958-1:2009-09 TESTING OF COOLING APPLIANCES FOR INSULATED MEANS OF TRANSPORTATION - PART 1: TRANSPORT REFRIGERATING SYSTEMS WITH FORCED AIR CIRCULATION EVAPORATOR
ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane
ANSI S1.11 : 2014 SPECIFICATION FOR OCTAVE-BAND AND FRACTIONAL-OCTAVE-BAND ANALOG AND DIGITAL FILTERS
ISO 9614-1:1993 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
ISO 9614-2:1996 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 2: Measurement by scanning
ISO 9614-3:2002 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 3: Precision method for measurement by scanning
NFR 10 304 : 1994 ROAD VEHICLES - DETERMINATION OF SOUND POWER LEVEL FOR REFRIGERATION UNITS FITTED TO THERMAL GOODS TRANSPORT VEHICLES - EXPERTISE CLASS
ISO 3741:2010 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for reverberation test rooms
ISO 3745:2012 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms

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