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DS/EN IEC 60704-2-1 - Household and similar electrical appliances – Test code for the determination of airborne acoustical noise – Part 2-1: Particular requirements for dry vacuum cleaners
December 14, 2020 - DS

This clause of Part 1 is applicable except as follows: 1.1 Scope 1.1.1 General Replacement: This part of IEC 60704 is applicable for the determination of airborne acoustical noise of mains operated and cordless dry vacuum cleaners for household use or under conditions similar to those in...

IEC TR 63307 - Measurement methods of the complex relative permeability and permittivity of noise suppression sheet
November 1, 2020 - IEC

This document provides guidelines on the methods for measuring the frequency characteristics of permeability and permittivity in the frequency range of 1 MHz to 6 GHz for a noise suppression sheet for each electromagnetic noise countermeasure.

DS/ISO 11690-2 - Acoustics – Recommended practice for the design of low-noise workplaces containing machinery – Part 2: Noise control measures
November 24, 2020 - DS

This document deals with the technical aspects of noise control in workplaces. The various technical measures are stated, the related acoustical quantities described, the magnitude of noise reduction discussed, and the verification methods outlined. This document deals only with...

SAE ARP4055 - Ground-Plane Microphone Configuration for Propeller-Driven Light-Aircraft Noise Measurement
December 1, 2020 - SAE

The scope of this ARP embraces the description of a configuration for a ground-plane microphone installation that may be used to determine sound pressure levels equivalent to those which would have been measured in an acoustic freefield at the microphone location. The one-third - octave-band...

ISO DIS 230-5 - Test code for machine tools — Part 5: Determination of the noise emission
October 7, 2020 - ISO

This noise test code specifies all the information necessary to carry out efficiently and under standardized conditions the determination, declaration and verification of the noise emission characteristics of machine tools. Noise emission characteristics include emission sound...

DS/EN ISO 11690-2 - Acoustics – Recommended practice for the design of low-noise workplaces containing machinery – Part 2: Noise control measures (ISO 11690-2:2020)
November 24, 2020 - DS

This document deals with the technical aspects of noise control in workplaces. The various technical measures are stated, the related acoustical quantities described, the magnitude of noise reduction discussed, and the verification methods outlined. This document deals only with...

SAE ARP1846 - Measurement of Far Field Noise from Gas Turbine Engines During Static Operation
December 1, 2020 - SAE

Recommendations presented in this document are intended primarily for the acquisition of far-field noise data. The test engine is to be appropriately configured and operated so that the sound pressure levels obtained are consistent with the specific objectives of the test. The principal...

BS EN 16205 - Laboratory measurement of walking noise on floors
November 30, 2020 - BSI
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QPL-83511 - Headset-Microphone and Headset-Electrical (Medium Noise Attenuation, Hearing Protective), General Specification for
December 10, 2020 - NPFC

QUALIFIED PRODUCT LIST OF PRODUCTS QUALIFIED UNDER PERFORMANCE SPECIFICATION MIL-DTL-83511 Headset-Microphone and Headset-Electrical (Medium Noise Attenuation, Hearing Protective), General Specification for This list has been prepared for use by or for the Government in the acquisition of...

ISO 11690-1 - Acoustics — Recommended practice for the design of low-noise workplaces containing machinery — Part 1: Noise control strategies
October 1, 2020 - ISO

This document outlines strategies to be used in dealing with noise problems in existing and planned workplaces by describing basic concepts in noise control (noise reduction, noise emission, noise immission and noise exposure). It is applicable to all types...

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