BS ISO 4079:2020 pdf free.Rubber hoses and hose assemblies - Textile-reinforced hydraulic types for oil-based or water-based fluids一Specification. BS ISO 4079 This document specifies requirements for five types of textile-reinforced hydraulic hoses and hose assemblies of nominal size from 5 to 100. They are suitable for use with: 一oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in...
BS ISO 1763:2020 pdf free
BS ISO 1763:2020 pdf free.Textile floor coverings - Determination of number of tufts and/or loops per unit length and per unit area. BS ISO 1763 1 Scope This document specifies a method for the determination of the number of tufts and/or loops per unit length and per unit area of a textile floor covering. It is applicable to textile floor...
BS ISO 587:2020 pdf free
BS ISO 587:2020 pdf free.Coal and coke一- Determination of chlorine using Eschka mixture. BS ISO 587 A known mass of sample is ignited in intimate contact with Eschka mixture in an oxidizing atmosphere to remove combustible matter and to convert the chlorine to alkaline chlorides. These are extracted with nitric acid or water and determined by either the Volhard or...
BS ISO 506:2020 pdf free
BS ISO 506:2020 pdf free.Rubber latex, natural, concentrate一Determination of volatile fatty acid number. BS ISO 506 1 Scope This document specifies a method for the determination of the volatile fatty acid number of natural rubber latex concentrate. The method is not necessarily suitable for latices from natural sources other than Hevea brasiliensis and is not applicable to compounded latex, vulcanized...
BS IEC 61031:2020 pdf free
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...