Registration number (WIID)Project No.TitleStatus
54860EN 61557-8:2007Electrical 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 8: Insulation monitoring devices for IT systemsAtcelts
55229LVS EN 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 systemsStandarts spēkā
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
55518EN 61557-1:2007Electrical 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 1: General requirementsAtcelts
55934EN 61143-1:1994Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirementsIzstrādē
55952EN 61557-9:2015Electrical 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 9: Equipment for insulation fault location in IT systemsStandarts spēkā
55952LVS EN 61557-9:2015Electrical 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 9: Equipment for insulation fault location in IT systemsStandarts spēkā
55956LVS EN 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 systemsStandarts spēkā
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
56162EN 60564:1993D.C. bridges for measuring resistanceIzstrādē
Displaying 61-70 of 174 results.