ISO 17657-2:2005 specifies a welding current meter with a current sensing coil to measure the weld time and the r.m.s. value of the welding current during a certain interval using single phase alternating current of frequency of 50 Hz or 60 Hz, or direct current.
PUBLISHED
SRPS EN ISO 17657-2:2012
60.60
Standard published
Jun 21, 2012