ISO 17657-3:2005 specifies current sensing coils of the toroidal-coil type as a current sensor for welding current meters or a welding current measuring system used to monitor the welding current in resistance welding, and is applicable for both current types, i.e. alternating current of 50 Hz or 60 Hz and direct current.
Status: PublishedPublication date: 2005-09
Edition: 1Number of pages: 17
Technical Committee: ISO/TC 44/SC 6 Resistance welding and allied mechanical joining
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