Registration number (WIID)Project No.TitleStatus
58231EN 61557-11:2009Electrical 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 - Part 11: Effectiveness of residual current monitors (RCMs) type A and type B in TT, TN and IT systemsAtcelts
47176EN 60477-2:1997/A1:1997Laboratory resistors - Part 2: Laboratory a.c. resistorsAtcelts
44686EN 61187:1994Electrical and electronic measuring equipment - DocumentationAtcelts
56949EN 60688:1992Electrical measuring transducers for converting a.c. electrical quantities to analogue or digital signalsAtcelts
47545EN 60051-1:1998Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: Definitions and general requirements common to all partsAtcelts
50356EN 60477:1997/A1:1997Laboratory d.c. resistorsAtcelts
50724EN 61557-5:2007Electrical 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 - Part 5: Resistance to earthAtcelts
52303EN 60051-9:1989Direct acting indicating analogue electrical-measuring instruments and their accessories - Part 9: Recommended test methodsAtcelts
43631EN 61557-7:2007Electrical 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 - Part 7: Phase sequenceAtcelts
42727EN 61557-2:2007Electrical 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 - Part 2: Insulation resistanceAtcelts
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