MT 21 - TC 42/MT 21
TC 42/MT 21
General Information
Frequently Asked Questions
MT 21 is a Technical Committee within the International Electrotechnical Commission (IEC). It is named "TC 42/MT 21". This committee has published 47 standards.
MT 21 develops IEC standards in the area of Information technology. Currently, there are 47 published standards from this technical committee.
The International Electrotechnical Commission (IEC) is the world's leading organization for the preparation and publication of international standards for electrical, electronic, and related technologies. Founded in 1906, the IEC provides a global platform for companies, industries, and governments to meet, discuss, and develop the international standards they require.
A Technical Committee (TC) in IEC is a group of experts responsible for developing international standards in a specific technical area. TCs are composed of national member body delegates and work through consensus to create standards that meet global industry needs. Each TC may have subcommittees (SCs) and working groups (WGs) for specialized topics.
IEC 61083-3:2020 is applicable to digital recording instruments used for measurements during tests with high alternating and direct voltages and currents. It specifies the measuring characteristics and calibrations required to meet the measuring uncertainties and procedures specified in the relevant IEC standards (e.g. IEC 60060-1, IEC 60060-2, IEC 60060-3, IEC 62475, IEC 61180).
This document is applicable to those digital recording instruments that will be designed and type tested according to this document.
This document
• defines performance requirements for digital recording instruments used during tests with alternating voltages and currents (AC) or direct voltages and currents (DC);
• specifies the necessary requirements for such instruments to ensure their suitability for use under the relevant standards;
• establishes the tests and procedures necessary to demonstrate their compliance;
• defines the terms related to digital recording instruments with recording function and access to raw data.
Examples of relevant alternating and direct voltages and currents to be measured are listed in Annex D.
This International Standard has the status of a horizontal standard in accordance with IEC Guide 108.
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