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DS/ISO 4869-6 - Acoustics – Hearing protectors – Part 6: Determination of sound attenuation of active noise reduction earmuffs
February 4, 2019 - DS

This document is concerned with active noise reduction (ANR) earmuffs. It specifies the test methods for the determination of the active insertion loss and calculation procedures for deriving the total attenuation. For this aim, the values of sound attenuation in the passive mode also have...

ISO 4869-6 - Acoustics - Hearing protectors - Part 6: Determination of sound attenuation of active noise reduction earmuffs
February 1, 2019 - ISO

This document is concerned with active noise reduction (ANR) earmuffs. It specifies the test methods for the determination of the active insertion loss and calculation procedures for deriving the total attenuation. For this aim, the values of sound attenuation in the passive mode also have...

ISO DIS 21250-3 - Rolling bearings - Noise testing of rolling bearing greases - Part 3: Test and evaluation method MQ
February 8, 2019 - ISO

This document specifies the testing and evaluation method of rolling bearing grease noise in accordance to the method MQ. The present standard applies jointly with ISO 21250-1.

ISO DIS 21250-2 - Rolling bearings - Noise testing of rolling bearing greases - Part 2: Test and evaluation method BQ+
February 8, 2019 - ISO

This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method BQ+. The present standard applies jointly with ISO 21250-1.

DODD 4715.13 - DoD Noise Program
August 31, 2018 - DOD

PURPOSE Under the authority of reference (a) and in conformance with reference (b), this Instruction establishes policy and assigns responsibilities for a coordinated DoD noise program. It also provides for establishment of a DoD Noise Working Group (DNWG). APPLICABILITY This...

ISO 3740 - Acoustics — Determination of sound power levels of noise sources — Guidelines for the use of basic standards
February 1, 2019 - ISO

This document gives guidance for the use of a set of twelve basic International Standards (see Tables 1, 2 and 3) describing various methods for determining sound power levels from all types of machinery, equipment and products. It provides guidance on the selection of one or more of these...

BS EN ISO 17201-3 - Acoustics - Noise from shooting ranges Part 3: Sound propagation calculations
March 31, 2019 - BSI
A description is not available for this item.
IEC 60704-2-14 - Household and similar electrical appliances – Test code for the determination of airborne acoustical noise – Part 2-14: Particular requirements for refrigerators, frozen-food storage cabinets and food freezers AMENDMENT 1
March 1, 2019 - IEC

General Addition: These particular requirements apply to refrigerators, frozen-food storage cabinets and food freezers (fitted with their accessories) for household and similar use, supplied from the mains or from batteries. Types of noise Replacement: The methods specified in ISO 3743-1,...

Noise in the Plastics Processing Industry
October 1, 2018 - CRC

This practical guide for managers and engineers in the plastics industry shows how to reduce high noise levels which often occur in the workplace and reduce the risk of noise-induced hearing damage to employees. Practical methods for reducing noise from industrial machinery are...

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