Measurement of DC magnetic, AC magnetic and AC electric fields from 1 Hz to 100 kHz with regard to exposure of human beings - Requirements for measuring instruments Ingestion-build-228203 94 Hz system and the

94 Hz system and the 50 Hz system refers to the field frequency 50

the instability of drive systems

This British Standard specifies requirements for two classes of flexible rubber hose for gas welding and allied processes for use up to a maximum working pressure of 20 bar1) over the temperature range -25 °C to +70 °C

This part of ISO 12782 specifies the determination of the content of “reactive” aluminium in the form of amorphous aluminium oxides and hydroxides in soil and other materials by extraction with ammonium oxalate/oxalic acid

For example it sets out:

Measurement of DC magnetic, AC magnetic and AC electric fields from 1 Hz to 100 kHz with regard to exposure of human beings - Requirements for measuring instruments Ingestion-build-228203 94 Hz system and the