title="measured field:"+field_name+"\ndistance:"+str(distances[j])+"\nI:"+str(start)+"A to "+str(stop)+"A with step:"+str(step)+"\nDate:"+date+"\n"
title="measured field:"+field_name+"\nInnen radius:"+str(innen)+"µm \ndistance:"+str(distances[j])+"µm\nI:"+str(start)+"A to "+str(stop)+"A with step:"+str(step)+"\nDate:"+date+"\n"