DIN EN IEC 61557-12 PDF

Published Date: 09/01/2023

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: Power metering and monitoring devices (PMD) (IEC 61557-12:2018 + A1:2021); German version EN IEC 61557-12:2022 + A1:2022

Published Date: 01/01/2020

Draft Document - 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: Power metering and monitoring devices (PMD) (IEC 85/702/CD:2019); Text in German and English

Published Date: 12/01/2008

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 - Part 12: Performance measuring and monitoring devices (PMD) (IEC 61557-12:2007); German version EN 61557-12:2008

Published Date: 10/01/2013

Instrument transformers for 50 Hz, U<(Index)m> 0.72 kV to 52 kV - Part 2: Current transformers U<(Index)m> = 0.72 kV and U<(Index)m> = 1.2 kV - Main dimensions

Published Date: 01/01/2019

Instrument transformers - Part 11: Additional requirements for low-power passive voltage transformers (IEC 61869-11:2017); German version EN IEC 61869-11:2018

Published Date: 03/01/2018

Current and voltage sensors or detectors, to be used for fault passage indication purposes - Part 2: System aspects (IEC 62689-2:2016); German version EN 62689-2:2017

Published Date: 10/15/1998

CIE standard colorimetric illuminants

Published Date: 10/15/1998

CIE standard colorimetric observers

Published Date: 02/28/2014

Colorimetry. CIEDE2000 Colour-difference formula

Published Date: 06/03/2019

Erythema reference action spectrum and standard erythema dose

Published Date: 06/30/2014

Characterization of the performance of illuminance meters and luminance meters

Published Date: 03/09/2023

Photometry. The CIE system of physical photometry