Registration number (WIID)Project No.TitleStatus
52303EN 60051-9:1989Direct acting indicating analogue electrical-measuring instruments and their accessories - Part 9: Recommended test methodsAtcelts
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
50356EN 60477:1997/A1:1997Laboratory d.c. resistorsAtcelts
51676EN 61557-4:2007Electrical 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 4: Resistance of earth connection and equipotential bondingAtcelts
59538EN 62586-2:2014/AC:2014Power quality measurement in power supply systems - Part 2: Functional tests and uncertainty requirementsAtcelts
54860EN 61557-8:2007Electrical 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 8: Insulation monitoring devices for IT systemsAtcelts
44919EN 61557-3:2007Electrical 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 3: Loop impedanceAtcelts
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
51428EN 60051-4:1989Direct acting indicating analogue electrical measuring instruments and their accessories - Part 4: Special requirements for frequency metersAtcelts
49757EN 60051-7:1989Direct acting indicating analogue electrical measuring instruments and their accessories - Part 7: Special requirements for multi-function instrumentsAtcelts
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