VISATRON VN 215/87plus operates in a similar same way like type VN 116/87plus when it comes to a High Oil Mist alarm tripping, however, it is able to additionally indicate the suction point with the highest opacity and thus the compartment in which the overheating damage has occurred. Unlike the other types, the VN 215/87 has a single-suction-tube system, each compartment being connected by a seperate ...