Metrology And Measurement Standards
BS EN 61518:2001, IEC 61518:2001
Mating dimensions between differential pressure (type) measuring instruments and flanged-on shut-off devices up to 413 b...
BS EN 61557-10:2013
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuri...
BS EN 61557-11:2009
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c.. Equipment for testing, measurin...
BS EN 61557-12:2008
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring...
BS EN 61557-13:2011
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuri...
BS EN 61557-14:2013
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuri...
BS EN 61557-15:2014
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuri...
BS EN 61557-16:2015
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuri...
BS EN 61557-1:2007
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring...
BS EN 61557-2:2007
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring...
BS EN 61557-3:2007
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring...
BS EN 61557-4:2007
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring...
BS EN 61557-5:2007
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring...
BS EN 61557-6:2007
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c.. Equipment for testing, measurin...
BS EN 61557-7:2007
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring...
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, measuri...
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, measuri...
BS EN 61660-1:1997, IEC 61660-1:1997
Short-circuit currents in d.c auxiliary installations in power plants and substations - Calculation of short-circuit cur...