Registration number (WIID)Project No.TitleStatus
63307LVS EN IEC 60051-4:2021Direct acting indicating analogue electrical measuring instruments and their accessories title - Part 4: Special requirements for frequency metersStandarts spēkā
48482EN 60051-1:1989/A2:1995Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: Definitions and general requirements common to all partsAtcelts
42239HD 215 S1:1974Safety requirements for indicating and recording electrical measuring instruments and their accessoriesAtcelts
43631LVS EN 61557-7:2007Electrical 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
51277HD 390 S2:1992Inductive voltage dividersAtcelts
50641EN 61557-1:1997Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirementsAtcelts
55518LVS EN 61557-1:2007Electrical 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 1: General requirementsAtcelts
50724LVS EN 61557-5:2007Electrical 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
47443HD 615 S1:1992Direct current bridges for measuring resistanceAtcelts
50641LVS EN 61557-1:2002Electrical 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 1: General requirementsAtcelts
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