Registration number (WIID)Project No.TitleStatus
50536HD 301 S1:1977Indirect acting electrical measuring instrumentsAtcelts
51676LVS EN 61557-4:2007Electrical 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 4: Resistance of earth connection and equipotential bondingAtcelts
51370LVS HD 249.2 S1:1981Laboratory resistors - Part 2: Laboratory a.c. resistorsAtcelts
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
54937LVS HD 614 S1:1992Direct-current resistive volt ratio boxesAtcelts
52086HD 233 S1:1977Recommendations for direct acting indicating electrical measuring instruments and their accessoriesAtcelts
52853EN 61557-5:1997Electrical 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 5: Resistance to earthAtcelts
48395HD 390 S1:1979Inductive voltage dividersAtcelts
50356LVS EN 60477:2003 +A1Laboratory d.c. resistorsAtcelts
Displaying 31-40 of 118 results.