BS EN 17285:2020 pdf free.Railway applications一Acoustics一Measuring of door audible warnings. BS EN 17285 Each component of the instrumentation system shall meet the requirements for a class 1 instrument specified in EN 61672-1.The sound calibrator shall meet the requirements of class 1 according to EN IEC 60942.Microphones with free-field characteristics shall be used. A suitable microphone windscreen may be used.Where one-third...
BS EN 17206:2020 pdf free
BS EN 17206:2020 pdf free.Entertainment technology一Machinery for stages and other production areas - Safety requirements and inspections. BS EN 17206 This document applies to machinery, machinery installations and machinery control systems used in places of assembly and in staging and production facilities for events and theatrical productions (stage machinery, for short). Such facilities include: theatres, multi-purpose halls, exhibition halls; film,television...
BS EN 16603-40-07:2020 pdf free
BS EN 16603-40-07:2020 pdf free.Space engineering—Simulation modelling platform. BS EN 16603-40-07 ECSS-E-ST-40-07 is a standard based on ECSS-E-ST-40 for the engineering of simulation software. ECSS- E-ST-40-07 complements ECSS-E-ST-40 in being more specific to simulation software. Simulation software include both Simulation environments and simulation models. The standard enables the effective reuse of simulation models within and between space projects and their...
BS EN 15742:2020 pdf free
BS EN 15742:2020 pdf free.Animal feeding stuffs: Methods of sampling and analysis - Determination of OCPs by GC-ECD. BS EN 15742 Mixed stock solution OCP (without endosulfan and toxaphene) Pipet of each OCP-stock solution (5.3) the indicated volume (Table 1) in a volumetric flask of 100 ml. Fill up to 100 ml with iso-octane (5.2.5) and mix. The achieved concentration...
BS EN 15004-6:2020 pdf free
BS EN 15004-6:2020 pdf free.Fixed firefighting systems一Gas extinguishing systems.Physical properties and system design of gas extinguishing systems for HFC 23 extinguishant. BS EN 15004-6 1 Scope This document contains specific requirements for gaseous fire-extinguishing systems, with respect to the HFC 23 extinguishant. It includes details of physical properties, specification, usage and safety aspects and is applicable to systems operating at...
BS EN 14803:2020 pdf free
BS EN 14803:2020 pdf free.Identification and / or determination of the quantity of waste. BS EN 14803 This document specifies general requirements and verifications for methods of identification of waste containers and/or determination of the quantity of waste and other reusable materials including:一safety requirements; 一interface requirements and performances; 一 data to be treated and their integrity. This document is applicable...
BS EN 14105:2020 pdf free
BS EN 14105:2020 pdf free.Fat and oil derivatives—Fatty Acid Methyl Esters (FAME>一Determination of free and total glycerol and mono-, di-, triglyceride contents. BS EN 14105 This document specifies a method to determine the free glycerol and residual mono-, di- and triglyceride contents in fatty acid methyl esters (FAME). The total glycerol content is then calculated from the obtained results.Under the...
BS EN 13656:2020 pdf free
BS EN 13656:2020 pdf free.Soil, treated biowaste, sludge and waste一Digestion with a hydrochloric (HCI), nitric (HNO3) and tetrafluoroboric (HBF4) or hydrofluoric (HF) acid mixture for subsequent determination of elements.BS EN 13656 This document specifies three methods for the digestion of soil, treated biowaste, sludge and waste by the use of an acid mixture composed of hydrochloric (HCI), nitric (HNO3) and...
BS EN 13523-18:2020 pdf free
BS EN 13523-18:2020 pdf free.Coil coated metals - Test methods.Resistance to staining. BS EN 13523-18 1 Scope This document specifies test procedures for assessing the effect of chemicals on the characteristics of an organic coating on a metallic substrate. It covers testing by using defined substances and to assess the change in characteristics such as discoloration, change in gloss, blistering,...
BS EN 12697-29:2020 pdf free
BS EN 12697-29:2020 pdf free.Bituminous mixtures - Test methods.Determination of the dimensions of a bituminous specimen. BS EN 12697-29 1 Scope This document specifies a test method for determining the dimensions of cylindrical, rectangular or non-rectangular bituminous test specimens by measurement. The test is applicable to laboratory-made specimens, trimmed by sawing, or specimens from cores cut from the road, trimmed...