Registration number (WIID)Project No.TitleStatus
50641LVS EN 61557-1:2002Electrical 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 1: General requirementsAtcelts
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
50536LVS HD 301 S1:1977Indirect acting electrical measuring instrumentsAtcelts
50536HD 301 S1:1977Indirect acting electrical measuring instrumentsAtcelts
50507LVS HD 469 S1:2002Expression of the properties of logic analysersAtcelts
50507HD 469 S1:1987Expression of the properties of logic analyzersAtcelts
50381LVS EN 60618:2016Inductive voltage dividersStandarts spēkā
50356LVS EN 60477:2003 +A1Laboratory d.c. resistorsAtcelts
50198LVS EN 61557-13:2012Electrical 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 13: Hand-held and hand-manipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems (IEC 61557-13:2011)Atcelts
50153EN 61557-6:1998/AAElectrical 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 6: Residual current devices (RCD) in TT, TN and IT systemsIzstrādē
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