Direct acting indicating analogue electrical measuring instruments and their accessories - Part 5: S...
IEC 60051-5:2017 applies to direct acting indicating phase meters, power factor meters and synchroscopes having an analogue display.
This document also applies to non-interchangeable accessories (as defined in 3.1.23 of IEC 60051-1:2016) used with phase meters, power factor meters and synchroscopes.
This document also applies to a phase meter or power factor meter whose scale marks do not…
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 8: S...
IEC 60051-8:2017 applies to accessories as defined in 3.1.20 of IEC 60051-1:2016.
This fifth edition cancels and replaces the fourth edition published in 1984. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) updating content in line with new editions of IEC 60051-1 and IEC 60051-9;
b)…
Tractors and machinery for agriculture and forestry — Serial control and communications data network...
ISO 11783-1:2017 as a whole specifies a serial data network for control and communications on forestry or agricultural tractors and mounted, semi-mounted, towed or self-propelled implements. Its purpose is to standardize the method and format of transfer of data between sensors, actuators, control elements, and information-storage and -display units, whether mounted on, or part of, the tractor or…
Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test...
ISO/IEC 80079-20-1: 2017 is published as a dual log standard and provides guidance on classification of gases and vapours. It describes a test method intended for the measurement of the maximum experimental safe gaps (MESG) for gas-air mixtures or vapour-air mixtures under normal conditions of temperature and pressure (20 °C, 101,3 kPa) so as to permit the selection of an appropriate group of…
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety ...
IEC 62841-4-2:2017 applies to hand-held hedge trimmers which are designed for use by one operator for trimming hedges and bushes, including extended-reach hedge trimmers with a maximum length of 3,5 m. The rated voltage is not more than 250 V for single-phase a.c. or d.c. tools, and 480 V for three-phase a.c. tools. The rated input is not more than 3 700 W. The limits for the applicability of…
Explosive atmospheres - Part 0: Equipment - General requirements
IEC 60079-0:2017 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 60079-0:2017 specifies the general requirements for construction, testing and marking of Ex Equipment and Ex…
Digital addressable lighting interface - Part 332: Particular requirements - Input devices - Feedbac...
IEC 62386-332:2017 specifies a bus system for control by digital signals of electronic lighting equipment which is in line with the requirements of IEC 61347.
This document is applicable to control devices supporting feedback functionality.
The contents of the corrigendum of October 2019 have been included in this copy.
Electrical energy storage (EES) systems - Part 2-1: Unit parameters and testing methods - General sp...
IEC 62933-2-1:2017 focuses on unit parameters and testing methods of EES systems. The energy storage devices and technologies are outside the scope of this document. This document deals with EES system performance defining:
unit parameters,
testing methods.
The contents of the corrigendum of January 2019 have been included in this copy.
Instrument transformers - Part 11: Additional requirements for low power passive voltage transformer...
IEC 61869-11:2017 is a product standard and covers only additional requirements for low-power passive voltage transformers (passive LPVT). The product standard for low-power passive voltage transformers is composed of IEC 61869-1, along with IEC 61869-6 and this document with specific requirements.
This document is applicable to newly manufactured low-power passive voltage transformers with…
Explosive atmospheres - Part 0: Equipment - General requirements
IEC 60079-0:2017 specifies the general requirements for construction, testing and marking of Ex Equipment and Ex Components intended for use in explosive atmospheres. The standard atmospheric conditions (relating to the explosion characteristics of the atmosphere) under which it may be assumed that Ex Equipment can be operated are:
-temperature –20 °C to +60 °C;
-pressure 80 kPa (0,8 bar) to…