For safe protection zone monitor in rugged conditions such as dust, dirt, rain, light, sparks or vibrations, the safe radar sensor PSENradar, in conjunction with the configurable small controller PNOZmulti 2, offers the optimum solution: in addition to outdoor applications and areas in woodworking and metalworking, it is now also possible to safeguard robot applications because the solution achieves a higher category Cat. 3 / PL d.