BS IEC 61031:2020 pdf free.Nuclear facilities一Instrumentation and control systems一Design, location and application criteria for installed area gamma radiation dose rate monitoring equipment for use during normal operation and anticipated operational occurrences. BS IEC 61031 This document applies to the design, location and application of installed equipment for monitoring local gamma radiation dose rates within nuclear facilities during normal operation and...
BS EN IEC 63093-2:2020 pdf free
BS EN IEC 63093-2:2020 pdf free.Ferrite cores—Guidelines on dimensions and the limits of surface irregularities.Pot-cores for use in telecommunications, power supply, and filter applications. BS EN IEC 63093-2 This part of IEC 63093 specifies the dimensions that are of importance for mechanical interchangeability for a preferred range of pot-cores made of ferrite, and the dimensional limits for coil formers to...
BS EN IEC 62031:2020 pdf free
BS EN IEC 62031:2020 pdf free.LED modules for general lighting一 Safety specifications. BS EN IEC 62031 For non-integrated LED modules and semi-integrated L ED modules, all electrical measurements, unless otherwise specified, shall be carried out at voltage limits (min/max),current limits (min/max) or power limits (min/max) and minimum frequency, in a draught-free room at the temperature limits of the allowed range...
BS EN IEC 60904-10:2020 pdf free
BS EN IEC 60904-10:2020 pdf free.Photovoltaic devices.Methods of linear dependence and linearity measurements. BS EN IEC 60904-10 This part of IEC 60904 describes the procedures used to measure the dependence of any electrical parameter (Y) of a photovoltaic (PV) device with respect to a test parameter (X) and to determine the degree at which this dependence is close to an...
BS EN 61482-2:2020 pdf free
BS EN 61482-2:2020 pdf free.Live working - Protective clothing against the thermal hazards of an electric arc.Requirements. BS EN 61482-2 This part of IEC 61482 is applicable to protective clothing used in work where there is the risk of exposure to an electric arc hazard.This document specifies requirements and test methods applicable to materials and garments for protective clothing for...
BS EN 50600-4-7:2020 pdf free
BS EN 50600-4-7:2020 pdf free.Information technology - Data centre facilities and infrastructures.Cooling Efficiency Ratio. BS EN 50600-4-7 This document specifies the Cooling Efficiency Ratio (CER) as a Key Performance Indicator (KPI) to quantify the efficient use of energy to control the temperature of the spaces within the data centre. This document: a) defines the Cooling Efficiency Ratio (CER) of a...
BS EN 17285:2020 pdf free
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...