Acoustics. Measurement of speech level reduction of furniture ensembles and enclosures - Laboratory method1 Scope This document specifies a laboratory method to facilitate the comparison of furniture ensembles and enclosures with respect to their ability to reduce the speech level of the occupant speaking inside the product. In this method, the sound power level is measured in two scenarios: 1) without the product, and 2) with the product. During scenario 1), the test signal is produced by the sound source in an empty room while the product is absent.

Note2: The term fertilizer is used throughout the body of this European Standard and needs to be taken to include liming materials unless otherwise indicated

Where these existing vessels were designed and constructed using an earlier edition of PD 5500

ThispartofISO/IEC 18000isintendedtoallowforcompatibilityandtoencourageinter-operabilityofproductsforthegrowingRFIDmarketintheinternationalmarketplace

BS EN 13373 gives test methods for verifying the geometric characteristics of products of natural stone

testing and maintenance of services supplying water for domestic use within buildings and their curtilages

It is intended to be primarily for the use of the utilities and consultants who are responsible for issuing the specifications for new HVDC projects and evaluating designs proposed by prospective suppliers

The connectors under test are terminated onto single-mode fibre per IEC 60793-2-50

BS 8903 sets out a comprehensive framework to help management with sustainable and economic development

and shaver supply units

the manufacturer and purchaser agree on mechanical properties at the time of inquiry and order

What is BS EN 61300-3-25 - Fibre optic interconnecting devices and passive components about

Examples of its application are given in Annex B