Registration number (WIID)Project No.TitleStatus
50961LVS EN 60477-2:2016Laboratory resistors - Part 2: Laboratory a.c. resistorsStandarts spēkā
51160EN 61557-9:1999Electrical 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 9: Equipment for insulation fault location in IT systemsAtcelts
51160LVS EN 61557-9:2002Electrical 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 9: Equipment for insulation fault location in IT systemsAtcelts
51277HD 390 S2:1992Inductive voltage dividersAtcelts
51277LVS HD 390 S2:1992Inductive voltage dividersAtcelts
51370LVS HD 249.2 S1:1981Laboratory resistors - Part 2: Laboratory a.c. resistorsAtcelts
51370HD 249.2 S1:1981Laboratory resistors - Part 2: Laboratory a.c. resistorsAtcelts
51428LVS EN 60051-4:2002Direct acting indicating analogue electrical measuring instruments and their accessories - Part 4: Special requirements for frequency metersAtcelts
51676LVS EN 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
52086HD 233 S1:1977Recommendations for direct acting indicating electrical measuring instruments and their accessoriesAtcelts
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