Rechercher

IEC 60455-3-8:2021 gives the requirements for resins for power cable accessories that conform to this specification and meet established levels of performance. However, the selection of a material by a user for a specific application will be based on the actual requirements necessary for adequate performance in that application and not on this specification alone. These materials are designed to…

This document specifies apparatus, test methods, and disclosure requirements for determination of lateral stability properties of wheelchair seat cushions by measuring the response from the cushion to a shift in the centre of mass of the load on the cushion. It provides a method of determining changes in a particular physical and mechanical property of the cushion. It does not provide information…

This document specifies quantitative test methods to determine the antibacterial activity of all antibacterial textile products including nonwovens. This document is applicable to all textile products, including cloth, wadding, thread and material for clothing, bedclothes, home furnishings and miscellaneous goods, regardless of the type of antibacterial agent used (organic, inorganic, natural or…

This document describes and specifies the whole vehicle test chamber, the vapour sampling assembly and the operating conditions for the determination of volatile organic compounds (VOCs; for more information see Annex E), and carbonyl compounds in vehicle cabin air. There are three measurements performed: one (for VOCs and carbonyl compounds) during the simulation of ambient conditions (ambient…

IEC 61588:2021 defines a network protocol, the Precision Time Protocol (PTP), enabling accurate and precise synchronization of the real-time clocks of devices in networked distributed systems. The protocol is applicable to systems where devices communicate via networks, including Ethernet. The standard allows multicast communication, unicast communication or both. The standard specifies…

This document specifies a method for the measurement of 14C activity concentration in all types of water samples by liquid scintillation counting (LSC) either directly on the test sample or following a chemical separation. The method is applicable to test samples of supply/drinking water, rainwater, surface and ground water, marine water, as well as cooling water, industrial water, domestic, and…

This document specifies a range of requirements and recommendations for the elements of construction, building assemblies, components, fittings and products that relate to the design and constructional aspects of usability and accessibility of buildings, i.e. access to buildings, circulation within buildings, egress from buildings during normal conditions, and evacuation in the event of a fire.…

1 Scope 1.1 Inclusions This Standard is intended for industrial slurry pumping systems with the following characteristics: a) electrically driven single and multi-stage slurry pumps; b) flowrate greater than 10 L/s; c) average particle size (d50) between 50 µm and 8 mm; d) settling slurry; e) slurry behaving as a viscous Newtonian fluid (shear stress is linear and proportional to…

1 Scope 1.1 This Standard specifies the framework and calculation models for “essential energy benchmarking” of data centres as a new form of ideal-state benchmarking for energy performance. It provides the specifications necessary to benchmark the energy efficiency performance of a data centre by using a dimensionless indicator called the benchmark energy factor (BEF). This Standard is a…

1 Scope 1.1 Inclusions — Compressor packages This Standard describes the general requirements for compressor packages used in compressed natural gas fuelling station service. 1.2 Inclusions — Compressor designs This Standard applies to compressor designs referenced in Clause 5. 1.3 Pressure references All references to pressure throughout this Standard are to be considered gauge pressures…