This document deals with the likely degradation of air performance of fans tested in standardized airways in accordance with ISO 5801 when compared with the performance of fans tested under actual site conditions. It deals with the performance of a number of generic types of fan and fittings. The results given are intended as guidelines and only provide trends, as the system effect depends on the…
Systems and software engineering — Content of life-cycle information items (documentation)
1 Scope
This document specifies the purpose and content of all identified systems and software life-cycle and
service management information items (documentation). The information item contents are defined
according to generic document types, as presented in Clause 7, and the specific purpose of the document,
as presented in Clause 10.
This document assumes an organization is performing life…
Information container for linked document delivery — Exchange specification — Part 1: Container
This document defines an open and stable container format to exchange files of a heterogeneous nature to deliver, store and archive documents that describe an asset throughout its entire lifecycle.
It is suitable for all parties dealing with information concerning the built environment, where there is a need to exchange multiple documents and their interrelationships, either as part of the…
Systems and software engineering — Requirements for managers of information for users of systems, so...
1 Scope
This document supports the needs of users for consistent, complete, accurate, and usable information.
It provides requirements for strategy, planning, managing, staffing, translation, production, and quality
and process-maturity assessment for managers of information for users. It specifies processes and
procedures for managing information for users throughout the product- or systems-…
Miscellaneous lampholders - Part 1: General requirements and tests
IEC 60838-1:2016+A1:2017+A2:2020 applies to lampholders of miscellaneous types intended for building-in (to be used with general purpose light sources, projection lamps, floodlighting lamps and street-lighting lamps with caps as listed in Annex A) and the methods of test to be used in determining the safe use of lamps in lampholders. This fifth edition cancels and replaces the fourth edition…
Household and similar electrical appliances - Safety - Part 2-97: Particular requirements for drives...
IEC 60335-2-97:2016+A1:2019 deals with the safety of electric drives for shutters, blinds and awnings, intended for household and similar purposes, their rated voltage being not more than 250 V for single-phase drives and 480 V for other drives. Battery-operated drives and other d.c. supplied drives are within the scope of this standard. Examples of equipment that can be driven are:
- spring…
Systems and software engineering — Lifecycle profiles for very small entities (VSEs) — Part 4-3: Ser...
1 Scope
1.1 Fields of application
This document is applicable to Very Small Entities (VSEs). A VSE is an enterprise, an organization, a department or a project having up to 25 people.
The purpose of this document is to provide a set of auditable requirements based on multiple standards (i.e., ISO/IEC/IEEE 15288, ISO/IEC/IEEE 15289, ISO 9000, ISO 9001, ISO 31000, ISO/IEC 38500, ISO 10004, ISO…
Renewable energy and hybrid systems for rural electrification - Part 9-6: Integrated systems - Recom...
IEC 62257-9-6:2019 proposes a simple selection procedure and cheap, comparative tests which can be performed in laboratories of developing countries, in order to identify the most suitable model of small Photovoltaic Individual Electrification Systems (PV- IES) up to 500 Wp for a particular rural electrification project from a number of products submitted for test. The tests provided in IEC TS…
Renewable energy and hybrid systems for rural electrification - Part 9-6: Integrated systems - Recom...
IEC TS 62257-9-6:2019 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 62257-9-6:2019 proposes a simple selection procedure and cheap, comparative tests which can be performed in…
Systems and software engineering — Content of life-cycle information items (documentation)
This document specifies the purpose and content of all identified systems and software life‐cycle and service management information items (documentation). The information item contents are defined according to generic document types, as presented in Clause 7, and the specific purpose of the document, as presented in Clause 10.
This document assumes an organization is performing life‐cycle…