A DEVICE FOR SECTIONAL MONITORING BY TECHNICAL MEASURING INSTRUMENTS THE CONTROL OF HUMIDIFYING AGENTS WITHIN THE INKING SYSTEM OF AN OFFSET PRINTING MACHINE

摘要

A device for controlling, by a measuring technique, the dampening medium guidance zonewise in an inking unit of an offset printing machine includes a measuring roller engaging an ink applicator roller of the inking unit and having interfaced oleophilic and hydrophilic surface regions, and an optoelectronic measuring device disposed adjacent to the measuring roller and operating thereon over the entire width thereof at a spaced distance therefrom, and wherein at least the oleophilic surface regions of the measuring roller is formed as a screen.