GMW14483 - Vehicle Air Conditioning Compressor and HVAC System Noise and Vibration Evaluation Procedure
December 1, 2020 - GMW
A description is not available for this item.
DS/ISO/TR 17534-4 - Acoustics – Software for the calculation of sound outdoors – Part 4: Recommendations for a quality assured implementation of the COMMISSION DIRECTIVE (EU) 2015/996 in software according to ISO 17534-1
November 24, 2020 - DS

This document facilitates a standardized interpretation and a verifiably consistent software implementation of the sound propagation part of the calculation method CNOSSOS-EU:2015 according to ISO 17534-1. Other parts of CNOSSOS-EU:2015, such as the source models or the calculation method for...

ANSI/ASA S12.61 - AMERICAN NATIONAL STANDARD Declaration and Verification of Noise Emission Values of Machinery, Equipment, and Products
July 31, 2020 - ASA

This Standard specifies: • the noise emission values to be declared and the requirements for their presentation, • product information that should accompany the declared noise emission values, • the method for determining the mean A-weighted sound power level, LWA,m, for a batch of...

SNZ AS/NZS 60335.2.107 - Household and similar electrical appliances – Safety Part 2.107: Particular requirements for robotic battery powered electrical lawnmowers
December 18, 2020 - SNZ

This document specifies safety requirements and their verification for the design and construction of robotic battery powered electrical rotary lawnmowers and their peripherals with the rated voltage of the battery being not more than 75 V d.c. EMC and environmental aspects, except noise,...

ISO 2922 - Acoustics — Measurement of airborne sound emitted by vessels on inland waterways and harbours
December 1, 2020 - ISO

This document specifies the conditions for obtaining reproducible and comparable measurement results of the airborne sound emitted by vessels of all kinds, on inland waterways and in ports and harbours, except powered recreational craft as specified in the ISO 14509 series. This document is...

ISO DIS 15086-3 - Hydraulic fluid power — Determination of the fluid-borne noise characteristics of components and systems — Part 3: Measurement of hydraulic impedance
December 7, 2020 - ISO

This part of ISO 15086 describes the procedure for the determination of the impedance characteristics of hydraulic components, by means of measurements from pressure transducers mounted in a pipe. This part of ISO 15086 is applicable to passive components, irrespective of size, operating under...

IEEE P2414 DRAFT - Draft for Standard for Jitter and Phase Noise
July 1, 2020 - IEEE

The standard defines specifications, modeling methods and terminology for the dispersion of specified instants of repetitive and/or periodic signals in electronics, telecommunications and measurement, which is referred to as jitter and phase noise. Purpose The purpose of the standard is to...

CEI EN IEC 60704-2-8 - Household and similar electrical appliances - Test code for the determination of airborne acoustical noise Part 2: Particular requirements for electric shavers, hair clippers or trimmers
September 1, 2020 - CEI

General This document applies to electric shavers, hair clippers or trimmers for domestic and similar use, supplied from mains or secondary batteries or primary batteries. The term "similar use" is understood to mean the use in hotels, hospitals, shops, offices, etc. NOTE 101 This document does not...

ISO DIS 8253-3 - Acoustics — Audiometric test methods — Part 3: Speech audiometry
December 8, 2020 - ISO

This document specifies basic methods for speech recognition tests for audiological applications. NOTE Examples of speech materials are given in Annex A. In order to ensure minimum requirements of precision and comparability between different test procedures including speech recognition tests in...