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IEC 61191-1:2018 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 61191-1:2018 prescribes requirements for materials, methods and verification criteria for producing quality…

This document describes the core concepts of ISO/IEC 20000 (all parts), identifying how the different parts support ISO/IEC 20000‑1:2018 as well as the relationships between ISO/IEC 20000-1 and other International Standards and Technical Reports. This document also includes the terminology used in all parts of ISO/IEC 20000, so that organizations and individuals can interpret the concepts…

This document describes the core concepts of ISO/IEC 20000 (all parts), identifying how the different parts support ISO/IEC 20000‑1:2018 as well as the relationships between ISO/IEC 20000-1 and other International Standards and Technical Reports. This document also includes the terminology used in all parts of ISO/IEC 20000, so that organizations and individuals can interpret the concepts…

<!-- NEW -->IEC 60268-4:2018 is available as <a href="https://webstore.iec.ch/publication/63860">IEC 60268-4:2018 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.<br /> <br /> IEC 60268-4:2018 specifies methods of measurement for the electrical impedance…

IEC 60268-4:2018 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 60268-4:2018 specifies methods of measurement for the electrical impedance, sensitivity, directional response…

IEC 60268-4:2018 specifies methods of measurement for the electrical impedance, sensitivity, directional response pattern, dynamic range and external influences of sound system microphones, and also details the characteristics to be specified by the manufacturer. It applies to sound system microphones for all applications for speech and music. It does not apply to measurement microphones, but it…

This document defines standardized and repeatable test procedures by using internal combustion engines for the evaluation of blowby oil aerosol, and aerosol separators and filtering devices by specifying the engine blowby sampling procedure and engine fractional efficiency test in both open and closed crankcase ventilation systems running at steady state. Due to sampling requirements, measuring…

1 Scope This clause of Part 1 is replaced by the following. This International Standard deals with the safety of stationary electric cooking ranges, hobs, ovens and similar appliances for household use, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral, and 480 V for other appliances. This International Standard also includes…

1 Scope This part of ISO/IEC 23002 specifies a particular implementation of an integer-output 8×8 IDCT that fully conforms to the accuracy requirements specified in ISO/IEC 23002-1 (see Ref. [7] in the Bibliography) and additionally meets or exceeds all accuracy requirements specified for IDCT precision in a number of international video coding standards (see Ref. [2] to [6] in the…

1 Scope and object This International Standard series lays down IEC requirements for the design qualification and type approval of terrestrial photovoltaic modules suitable for long-term operation in general open-air climates, as defined in IEC 60721-2-1. This part of IEC 61215 is intended to apply to all terrestrial flat plate module materials such as crystalline silicon module types as well…