British Standards Institution

Sector: Manufacturing

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for the UK input to CLC/TC 85X and IEC/TC 85 standards for measuring equipment for electrical and electromagnetic quantities

Committee standards activity

In Progress (27)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PNW TS 85-954 ED1:	Statistical method for verification of measurement performance Categories: Information management \| Standardization. General rules Proposal begins : 2025-03-20	Proposal
PNW TS 85-881 ED1:	Guidance for the verification of residual current monitoring devices (RCMs) in low voltage electrical installations Categories: Information management \| Standardization. General rules \| Measurement and Science \| Metrology and measurement \| Measurement. Electrical and magnetic \| Measurement. Electrical and magnetic quantities Proposal begins : 2023-06-09	Proposal
PNW TS 85-874 ED1:	POWER QUALITY MEASUREMENT IN POWER SUPPLY SYSTEMS Part 3: Maintenance tests, calibration Categories: Information management \| Standardization. General rules \| Testing. Electrical and electronic \| Engineering \| Electrical engineering \| Rectifiers. Converters. Stabilized power supply Proposal begins : 2023-05-18	Proposal
PNW 85-964 ED1:	Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500V DC - Equipment for testing, measuring or monitoring of protective measures - Part 12-1: Power metering and monitoring devices for DC systems (PMD-DC) Categories: Information management \| Standardization. General rules Proposal begins : 2025-07-21	Proposal
PNW 85-924 ED1:	Electrical safety in low voltage distribution systems up to 1.000 V AC and 1.500 V DC - Equipment for testing, monitoring or measuring the protective measures in energy distribution system - part 19: Monitoring device for earthing impedance in IT-systems Categories: Information management \| Standardization. General rules Proposal begins : 2024-06-10	Proposal
PNW 85-906 ED1:	Measuring equipment for electrical and electromagnetic quantities - Environmental aspects Categories: Information management \| Standardization. General rules Proposal begins : 2024-01-29	Proposal
PEL/85 N184 IEC 85/936/NP	Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for testing, measuring or monitoring of protective measures – Part 12-2: Functional test procedure for PMD and EPMF Categories: Information management \| Standardization. General rules Proposal begins : 2024-08-29	Proposal
PD IEC/TS 63191 Ed.2.0	IEC TS 63191 ED2: Demand side power quality management Categories: Telecontrol. Telemetering Public comment begins :	Public comment
PD IEC/TS 62586-3 Ed.1.0	PD IEC/TR 62586-3 Ed.1.0 Power quality measurement in power supply systems. Part 3: Maintenance tests, calibration Categories: Measurement. Electrical and magnetic quantities Approval begins :	Approval
PD IEC/TR 63242 Ed.1.0	Non-Intrusive Load Monitoring (NILM) Systems Categories: Unclassified documents Public comment begins :	Public comment

Published (52)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD IEC TS 63383:2022	Cybersecurity aspects of devices used for power metering and monitoring, power quality monitoring, data collection and analysis Categories: Measurement. Electrical and magnetic quantities \| Power transmission and distribution networks. General Published standard begins : 2022-12-05	Published standard
PD IEC TS 63297:2021	Sensing devices for non-intrusive load monitoring (NILM) systems Categories: Measurement. Electrical and magnetic quantities Published standard begins : 2021-03-12	Published standard
PD IEC TS 63191:2023	Demand-side power quality management Categories: Electrical engineering. General \| Telecontrol. Telemetering Published standard begins : 2023-12-11	Published standard
PD IEC TR 63519:2024	Aspects and understanding of measurement uncertainty. Background information on measurement uncertainty based on the example of IEC TC 85 (Measuring equipment for electrical and electromagnetic quantities) Categories: Measurement. Electrical and magnetic quantities Published standard begins : 2024-09-03	Published standard
PD IEC TR 63213:2019	Power measurement applications within electrical distribution networks and electrical installations Categories: Measurement. Electrical and magnetic quantities Published standard begins : 2019-09-19	Published standard
BS IEC 62792:2015	Measurement method for the output of electroshock weapons Categories: Measurement. Electrical and magnetic quantities \| Military engineering. Military affairs. Weapons Published standard begins : 2020-05-18	Published standard
BS EN IEC 62974-1:2024	Monitoring and measuring systems used for data collection, aggregation and analysis. Part 1: Device requirements Categories: Research and development \| Measurement. Electrical and magnetic quantities Published standard begins : 2024-12-24	Published standard
BS EN IEC 61557-9:2025	Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures. Equipment for insulation fault location in IT systems Categories: Measurement. Electrical and magnetic quantities \| Industrial process measurement and control \| Electrical insulation. General Published standard begins : 2025-04-09	Published standard
BS EN IEC 61557-6:2021	Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Effectiveness of residual current devices (RCD) in TT, TN and IT systems Categories: Measurement. Electrical and magnetic quantities \| Electrical insulation. General \| Power transmission and distribution networks. General Published standard begins : 2022-02-16	Published standard
BS EN IEC 61557-5:2021	Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures. Resistance to earth Categories: Measurement. Electrical and magnetic quantities \| Electrical insulation. General \| Power transmission and distribution networks. General Published standard begins : 2022-05-19	Published standard

Withdrawn (27)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD IEC TR 63191:2018	Demand side power quality management Categories: Telecontrol. Telemetering Withdrawn begins : 2023-12-11	Withdrawn
BS EN IEC 61557-7:2022	Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Phase sequence Categories: Measurement. Electrical and magnetic quantities \| Electrical insulation. General \| Power transmission and distribution networks. General Withdrawn begins : 2023-10-15	Withdrawn
BS EN 62586-2:2017	Power quality measurement in power supply systems. Functional tests and uncertainty requirements Categories: Measurement. Electrical and magnetic quantities Withdrawn begins : 2018-07-02	Withdrawn
BS EN 62586-2:2014	Power quality measurement in power supply systems. Functional tests and uncertainty requirements Categories: Measurement. Electrical and magnetic quantities Withdrawn begins : 2014-11-28	Withdrawn
BS EN 62586-1:2014	Power quality measurement in power supply systems. Power quality instruments (PQI) Categories: Measurement. Electrical and magnetic quantities Withdrawn begins : 2017-12-07	Withdrawn
BS EN 61557-9:2015	Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Equipment for insulation fault location in IT systems Categories: Measurement. Electrical and magnetic quantities \| Industrial process measurement and control \| Electrical insulation. General Withdrawn begins : 2017-03-22	Withdrawn
BS EN 61557-9:2009	Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Equipment for insulation fault location in IT systems Categories: Measurement. Electrical and magnetic quantities \| Industrial process measurement and control \| Electrical insulation. General Withdrawn begins : 2015-02-23	Withdrawn
BS EN 61557-9:2000, IEC 61557-9:1999	Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring ormonitoring of protective measures. Equipment for insulation fault location in IT systems Categories: Measurement. Electrical and magnetic quantities \| Industrial process measurement and control Withdrawn begins : 2009-04-23	Withdrawn
BS EN 61557-8:2015	Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Insulation monitoring devices for IT systems Categories: Measurement. Electrical and magnetic quantities \| Electrical insulation. General \| Power transmission and distribution networks. General Withdrawn begins : 2016-06-28	Withdrawn
BS EN 61557-8:2007	Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Insulation monitoring devices for IT systems Categories: Measurement. Electrical and magnetic quantities \| Electrical insulation. General \| Power transmission and distribution networks. General Withdrawn begins : 2015-02-23	Withdrawn

Standards Development

PEL/85 - Measuring equipment for electrical and electromagnetic quantities

Committee standards activity