Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovolt...
IEC 61643-31:2018 is applicable to Surge Protective Devices (SPDs), intended for surge protection against indirect and direct effects of lightning or other transient overvoltages. These devices are designed to be connected to the DC side of photovoltaic installations rated up to 1 500 V DC. These devices contain at least one non-linear component and are intended to limit surge voltages and divert…
Water quality — Determination of arsenic(III) and arsenic(V) species — Method using high performance...
ISO/TS 19620:2018 specifies a method primarily developed for the determination of inorganic arsenic species (arsenite (As(III)) and arsenate (As(V)) dissolved in a sample after a preservation process in waters with a low total organic carbon content such as potable water, tap water, surface waters, ground waters and rain waters. Information is provided on the determination of potentially relevant…
Laser display devices - Part 5-4: Optical measuring methods of colour speckle
IEC 62906-5-4:2018(E) specifies the fundamental colour speckle distribution in CIE colour systems and the measuring methods of the colour speckle of laser display devices (LDDs).
The contents of the corrigendum of juin 2022 have been included in this copy.
Systems and software engineering — Life cycle management — Part 1: Guidelines for life cycle managem...
1 Scope
This Technical Specification provides guidelines for the life cycle management of systems and software, complementing the processes described in ISO/IEC/IEEE 15288 and ISO/IEC 12207. This Technical Specification:
— addresses systems concepts and life cycle concepts, models, stages, processes, process application, key points of view, adaptation and use in various domains and by various…
Information technology — Service management — Part 12: Guidance on the relationship between ISO/IEC ...
This document provides guidance on the relationship between ISO/IEC 20000-1:2011 and CMMI-SVC
V1.3 (through Maturity Level 3). Service providers can refer to this guidance as a cross-reference
between the two documents to help them to plan and implement an SMS. An organization employing
the practices in the indicated CMMI-SVC process areas can conform to many of the associated
ISO/IEC 20000-1…
Information technology — Multimedia framework (MPEG-21) — Part 22: User Description
This document standardizes the four data formats: User Description (UD), Context Description (CD),
Service Description (SD), and Recommendation Description (RD).
— User Description (UD): a set of descriptions which may contain static and dynamic information
about the user, including some other data like the history of the user’s interactions, preferences,
security settings regarding these…
Systems and software engineering — Information technology project performance benchmarking framework...
This document provides general requirements and guidance for collecting and maintaining data of information technology (IT) projects and for delivering the benchmarking repository within benchmarking activities of “the IT project performance benchmarking framework” by prescribing the following:
a) requirements and guidance for data element definitions;
b) requirements and guidance for the data…
Web Services for Management (WS-Management) Specification
The Web Services for Management (WS-Management) Specification describes a Web services protocol based on SOAP for use in management-specific domains. These domains include the management of entities such as PCs, servers, devices, Web services and other applications, and other manageable entities. Services can expose only a WS-Management interface or compose the WS-Management service interface…
