Registration number (WIID)Project No.TitleStatus
48395HD 390 S1:1979Inductive voltage dividersAtcelts
50536HD 301 S1:1977Indirect acting electrical measuring instrumentsAtcelts
50507HD 469 S1:1987Expression of the properties of logic analyzersAtcelts
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
51370HD 249.2 S1:1981Laboratory resistors - Part 2: Laboratory a.c. resistorsAtcelts
46539EN 61557-6:1998Electrical 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 systemsAtcelts
43243EN 61557-8:1997Electrical 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
56380EN 60051-1:1989Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: Definitions and general requirements common to all partsAtcelts
48482LVS EN 60051-1:1989/A2:1995Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: Definitions and general requirements common to all partsAtcelts
42727LVS EN 61557-2:2007Electrical 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 2: Insulation resistanceAtcelts
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