Registration number (WIID)Project No.TitleStatus
44578EN 61557-9:2009Electrical 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
52178EN 60051-5:1989Direct acting indicating analogue electrical measuring instruments and their accessories - Part 5: Special requirements for phase meters, power factor meters and synchroscopesAtcelts
55956EN 61557-8:2015Electrical 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 8: Insulation monitoring devices for IT systemsIzstrādē
55229EN 61557-15:2014Electrical 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 15: Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systemsIzstrādē
55934EN 61143-1:1994Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirementsIzstrādē
81359prEN 50678EN 50678: General procedure for verifying the effectiveness of the protective measures of electrical equipment after repairIzstrādē
79195EN IEC 63297:2025Sensing devices for non-intrusive load monitoring (NILM) systemsIzstrādē
56162EN 60564:1993D.C. bridges for measuring resistanceIzstrādē
62785EN 61557-8:2015/AC:2016-06Electrical 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 8: Insulation monitoring devices for IT systemsIzstrādē
62347EN 62754:2017Computation of waveform Parameter uncertaintiesIzstrādē
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