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This document provides guidelines for the management of wastewater utilities and the assessment of wastewater services. This document is applicable to publicly and privately owned and operated wastewater utilities but does not favour any particular ownership or operational model. NOTE 1        Wastewater is always generated when water is used or consumed. Accordingly, sources of wastewater can be…

IEC TS 63337:2024 provides requirements, test conditions and tests to validate characteristics including the service life of customized DC-link film capacitors for use in motor vehicle components. Standard DC-link capacitors qualified according to other IEC standards or AEC-Q200 are excluded from the scope of this document. The requirements, test conditions and tests listed in this document…

IEC 60335-2-31:2024 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 60335-2-31:2024 edition 6.0 and the previous IEC 60335-2-31:2012+AMD1:2016+AMD2:2018 CSV edition 5.2. Furthermore, comments from IEC TC 61 experts are provided to explain the reasons of the most relevant changes…

IEC 60335-2-31:2024 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 60335-2-31:2024 EXV includes the content of the references made to IEC 60335-1:2020. IEC 60335-2-31:2024 deals with the safety of electric range…

This document describes methods for the determination of the dry matter content of lignins by oven-drying and freeze-drying. The methods are applicable to all types of lignins isolated from kraft, organosolv, soda, and sulfite pulping processes, and to lignin obtained by enzymatic or acid hydrolysis of biomass. However, the oven-drying method is not applicable to kraft lignins in the base form,…

This document specifies a method for the determination of nitrite and nitrate in meat and meat products using ion chromatography.

IEC 80601-2-26:2019+AMD1:2024 CSV applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of ELECTROENCEPHALOGRAPHS as defined in 201.3.204, hereafter also referred to as ME EQUIPMENT or ME SYSTEM. This document is applicable to ELECTROENCEPHALOGRAPHS intended for use in professional healthcare facilities, the EMERGENCY MEDICAL SERVICES ENVIRONMENT or the HOME HEALTHCARE ENVIRONMENT. This document…

CISPR 11:2024 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between CISPR 11:2024 edition 7.0 and the previous CISPR 11:2015+AMD1:2016+AMD2:2019 CSV edition 6.2. Furthermore, comments from CISPR Subcommittee B experts are provided to explain the reasons of the most relevant changes, or to…

This document establishes general rules for evaluating and expressing uncertainty in measurement from the shop floor to fundamental research. Therefore, the principles of this suite of documents are intended to be applicable to a broad spectrum of measurements and their applications. An overview of the parts of the GUM is given in table A.1 in Annex A. NOTE Where the acronym GUM is used in this…

IEC 60939-3:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60939-3:2024 covers passive filters used to attenuate unwanted radio-frequency signals (such as noise or…