Electricity metering equipment - General requirements, tests and test conditions - Part 11: Metering...
IEC 62052-11:2020 specifies requirements and associated tests, with their appropriate conditions for type testing of AC and DC electricity meters. This document details functional, mechanical, electrical and marking requirements, test methods, and test conditions, including immunity to external influences covering electromagnetic and climatic environments.
This document applies to electricity…
Équipement de comptage de l'électricité - Exigences générales, essais et conditions d'essa...
IEC 62052-11:2020 spécifie les exigences et essais correspondants, ainsi que leurs conditions appro-priées, pour les essais de type des compteurs d'électricité en courant alternatif et en courant continu. Le présent document décrit les exigences fonctionnelles, mécaniques, électriques et de marquage, les méthodes d'essai et les conditions d'essai, y compris en ce qui concerne l…
Low-voltage switchgear and controlgear – Part 4-2: Contactors and motor-starters – Semiconductor mot...
IEC 60947-4-2:2020 applies to semiconductor motor controllers, starters and soft-starters which can include a series mechanical switching device, intended to be connected to circuits the rated voltage of which does not exceed 1 000 V AC.
This fourth edition cancels and replaces the third edition published in 2011. This edition constitutes a technical revision.
This edition includes the…
Geotechnical investigation and testing — Geotechnical monitoring by field instrumentation — Part 4: ...
This document specifies the measurement of pore water pressures and piezometric levels in saturated ground by means of piezometers installed for geotechnical monitoring. General rules of performance monitoring of the ground, of structures interacting with the ground, of geotechnical fills and of geotechnical works are presented in ISO 18674‑1.
If applied in conjunction with ISO 18674-5, the…
Electrical installations for lighting and beaconing of aerodromes - Connecting devices - General req...
IEC 63067:2020 applies to plugs and receptacles for single or multiple pole connecting devices used for aeronautical ground lighting applications.
Additional requirements and usage of connecting devices are given in different parts of IEC 61820 series.
Connecting devices complying with this document are suitable for use in environmental class E11 according to IEC 61820-1.
Optics and optical instruments — Ancillary devices for geodetic instruments — Part 2: Tripods
This document specifies the most important requirements of telescopic tripods for surveying instruments and the connection between instrument and tripod.
The requirements in this document enable instruments and tripods of different manufacturers to be joined to one another, without prejudicing their performance and their usefulness.
This document is applicable to tripods which are used for levels…
Aircraft — Connections for starting engines by air
This document specifies the dimensions of connections for starting aircraft engines by air, which are necessary to ensure international interchangeability of connectors with adaptors. lt also gives the minimum clearances required on the aircraft to provide adequate access for the ground adaptor.
IEC 62541-8:2020 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 62541-8:2020 is part of the overall OPC Unified Architecture (OPC UA) standard series and defines the information…
IEC 62541-7:2020 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 62541-7:2020 defines the OPC Unified Architecture (OPC UA) Profiles. The Profiles in this document are used to…
IEC 62541-8:2020 is part of the overall OPC Unified Architecture (OPC UA) standard series and defines the information model associated with Data Access (DA). It particularly includes additional VariableTypes and complementary descriptions of the NodeClasses and Attributes needed for Data Access, additional Properties, and other information and behaviour.
The complete address space model,…
