Registration number (WIID)Project No.TitleStatus
53516prEN 60688-2Electrical measuring transducers for converting a.c. electrical quantities into d.c. electrical quantities - Part 2: Transducers for outdoor use and other severe environmentsIzstrādē
52425prEN 50197-5Measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Part 5: Equipment for measuring resistance to earthIzstrādē
47968prEN 60688-1Electrical measuring transducers for converting a.c. electrical quantities into d.c. electrical quantities - Part 1: General purpose transducersIzstrādē
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
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
51370HD 249.2 S1:1981Laboratory resistors - Part 2: Laboratory a.c. resistorsAtcelts
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
42727LVS EN 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
52988EN 61557-2:1997Electrical 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 2: Insulation resistanceAtcelts
56380EN 60051-1:1989Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: Definitions and general requirements common to all partsAtcelts
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