Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-031: Particular requirements for hand-held probe assemblies for electrical measurement and test— 45 стр.
Safety requirements for electrical equipment for measurement, control and laboratory use - Part 031: Safety requirements for hand-held probe assemblies for electrical measurement and test— 121 стр.
Electrical 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 systems (IEC 61557-9:2014) (english version)
Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-061: Particular requirements for laboratory atomic spectrometers with thermal atomization and ionization— 29 стр.