Acoustics. Determination of airborne sound power levels emitted by machinery using vibration measurement - Engineering method including determination of the adequate radiation factor1 Scope This part of ISO TS 7849 gives basic requirements for a reproducible method for the determination of the sound power level of the noise emitted by machinery or equipment by using surface vibration measurements, together with the knowledge of the machinery specific sound radiation factor in the frequency bands. The method is only applicable to noise which is emitted by vibrating surfaces of solid structures and not to noise generated

where a statement is required

PD CLC/TR 62453‑51‑20:2019 supersedes PD CLC/TR 62453‑502:2009

explains the principle of the test methods

Requirement for use of the Calculation method

viewed together

IEC 60630:1994

This part of ISO 7005 is also applicable to packaged equipmentpiping

this International Standard specifies protocols and parameters that 3G systems shall include to support prolonged

binary line-art images

designated as FV0 or FV1

Fire control and management systems

— bolts and screws of product grades A and В in property classes up to and including 8