Four adjustable levels of response for all types of arc welding.
Three values of delaying period of bleaching of colour filter.
Five degrees of blackening (from 9 to 13...
Four adjustable levels of response for all types of arc welding.
Three values of delaying period of bleaching of colour filter.
Five degrees of blackening (from 9 to 13...
Two adjustable levels of response for all types of arc welding.
Three values of delaying period of bleaching of colour filter.
Five degrees of blackening (from 9 to 13 ...
Four adjustable levels of response for all types of arc welding.
Three values of delaying period of bleaching of colour filter.
Fixed blackening ( 10 or 11 DIN).......