High-voltage switchgear and controlgear - Part 213: Voltage detecting and indicating system
IEC 62271-213:2021 is applicable to the voltage detecting and indicating system (VDIS) to be installed on indoor and outdoor high-voltage equipment.
The VDIS as defined by this document includes a coupling system per phase (capacitive, resistive coupling or other technology) to connect to live parts (main circuit).
This first edition cancels and replaces the first edition of IEC 61243-5…
Guidelines for commissioning and operation of hydraulic turbines, pump-turbines and storage pumps
The purpose of IEC 60545:2021 is to establish, in a general way, suitable procedures for commissioning and operation of hydraulic machines and associated equipment, and to indicate how such machines and equipment should be commissioned and operated. Commissioning and operation of the associated equipment are not described in detail in this document but is considered in the commissioning and…
Semiconductor devices - Part 5-13: Optoelectronic devices - Hydrogen sulphide corrosion test for LED...
IEC 60747-5-13:2021 provides the accelerated test method to assess effects of the tarnishing of silver and silver alloys used for LED packages due to hydrogen sulphide. Particularly, this test method is intended to give information on silver and silver alloy tarnishing effects to the luminous/radiant flux maintenance of LED packages. Additionally, this test method can give information on electric…
Electricity metering equipment - Particular requirements - Part 41: Static meters for DC energy (cla...
IEC 62053-41:2021 applies only to static watt-hour meters of accuracy classes 0,5 and 1 for the measurement of DC electrical energy in DC systems, and it applies to their type tests only.
This document applies to electricity metering equipment designed to:
• measure and control electrical energy on electrical networks with two poles where one of the poles is connected to earth and with voltage…
Équipement de comptage de l'électricité - Exigences particulières - Partie 41: Compteurs statiq...
IEC 62053:41:2021 est applicable uniquement aux compteurs statiques d'énergie de classes d'exactitude 0,5 et 1, destinés au mesurage de l'énergie électrique en courant continu dans les systèmes en courant continu, et à leurs essais de type.
Le présent document s'applique aux équipements de comptage de l'électricité conçus pour:
• mesurer et piloter l'énergie…
Gas cylinders — Specifications and testing of LPG cylinder valves — Manually operated
This document specifies the requirements for design, specification, type testing and production testing and inspection of dedicated LPG manually operated cylinder valves for use with and directly connected to transportable refillable LPG cylinders.
It also includes requirements for associated equipment for vapour and liquid service. Bursting discs and/or fusible plugs are not covered in this…
Road vehicles — Vehicle domain service (VDS) — Part 1: General information and use case definitions
This document, as the first document in the ISO 23239 series, provides a basic definition of vehicle domain service and supplementary information on detailed concepts, as well as definitions of the typical and supplementary use cases being used to define the specification of applications.
Detailed specifications of communications and applications are provided in other documents in the ISO 23239…
Small medical gas cylinders — Pin-index yoke-type valve connections
This document is applicable to pin-index yoke-type valve connections for medical gas cylinders, with a working pressure up to a maximum of 200 bar or test pressure up to a maximum of 300 bar, or both.
NOTE 1 This type of connection is primarily used for small cylinders (5 l or below).
NOTE 2 In this document the unit bar is used, due to its universal use in the field of technical gases. It…
