Direct acting indicating analogue electrical measuring instruments and their accessories - Part 5: Special requirements for phase meters, power factor meters and synchroscopes (IEC 60051-5:2017); German version EN IEC 60051-5:2018
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 5: Special requirements for phase meters, power factor meters and synchroscopes (IEC 60051-5:2017); German version EN IEC 60051-5:2018
Direct acting indicating analogue electrical measuring instruments and their accessories; part 5: special requirements for phase meters, power factor meters and synchroscopes (IEC 60051-5:1985, edition 4); german version EN 60051-5:1989
Electrostatics - Part 2-1: Measurement methods - Ability of materials and products to dissipate static electric charge (IEC 61340-2-1:2015 + AMD1:2022); German version EN 61340-2-1:2015 + A1:2022
Instrument transformers for 50 Hz, U<(Index)m> 0.72 kV to 52 kV - Part 4: Current Transformers (support-type-insulator) U<(Index)m> = 12 kV - Small design, main dimensions, indoor type
Energy performance of lamp controlgear - Part 1: Controlgear for fluorescent lamps - Method of measurement to determine the total input power of controlgear circuits and the efficiency of controlgear (IEC 62442-1:2022); German version EN IEC 62442-1:2022
Non-sewered sanitation systems - Prefabricated integrated treatment units - General safety and performance requirements for design and testing (ISO 30500:2018, IDT)