Registration number (WIID)Project No.TitleStatus
57854prEN 50197-3Measuring 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 3: Equipment for measuring loop impedanceIzstrādē
50592prEN 50197-4Measuring 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 4: Equipment for measuring resistanceIzstrādē
46339prEN 61554Panel mounted equipment - Electrical measuring instruments - Dimensions for panel mountingIzstrādē
54937HD 614 S1:1992Direct-current resistive volt ratio boxesAtcelts
58231LVS EN 61557-11:2009Electrical 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 11: Effectiveness of residual current monitors (RCMs) type A and type B in TT, TN and IT systems (IEC 61557-11:2009)Atcelts
50356LVS EN 60477:2003 +A1Laboratory d.c. resistorsAtcelts
47176LVS EN 60477-2:2003 +A1Laboratory resistors - Part 2: Laboratory a.c. resistorsAtcelts
52086HD 233 S1:1977Recommendations for direct acting indicating electrical measuring instruments and their accessoriesAtcelts
47545LVS EN 60045-1:2003Steam turbines - Part 1: SpecificationsAtcelts
54937LVS HD 614 S1:1992Direct-current resistive volt ratio boxesAtcelts
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