Registration number (WIID)Project No.TitleStatus
56738LVS EN 60051-1:1989/A1:1995Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: Definitions and general requirements common to all partsAtcelts
57006LVS EN 61557-4:2002Electrical 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 4: Resistance of earth connection and equipotential bondingAtcelts
52853LVS EN 61557-5:2002Electrical 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 5: Resistance to earthAtcelts
47683LVS EN 61557-7:2002Electrical 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 7: Phase sequenceAtcelts
44109LVS EN 61557-3:2002Electrical 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 3: Loop impedanceAtcelts
52178LVS EN 60051-5:2002Direct acting indicating analogue electrical measuring instruments and their accessories - Part 5: Special requirements for phase meters, power factor meters and synchroscopesAtcelts
49757LVS EN 60051-7:2002Direct acting indicating analogue electrical measuring instruments and their accessories - Part 7: Special requirements for multi-function instrumentsAtcelts
64485LVS EN IEC 60051-9:2021Direct acting indicating analogue electrical measuring instruments and their accessories - Part 9: Recommended test methodsStandarts spēkā
55934LVS EN 61143-1:2016Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirementsStandarts spēkā
63311LVS EN IEC 60051-8:2018Direct acting indicating analogue electrical measuring instruments and their accessories - Part 8: Special requirements for accessoriesStandarts spēkā
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