{TAIL ~ Welder} includes a controller with a digital processor , sensor for reading instantaneous weld current, and circuit to convert the instantaneous current into a digital representation of {HEAD ~ the level} of instantaneous weld current 
{ TAIL ~ Welder } includes a controller with a digital processor , sensor for reading instantaneous weld current , and circuit to convert the instantaneous current into a digital representation of { HEAD ~ the level } of instantaneous weld current
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH