disclosed is a handling device , especially for positioning a test head on a testing device , including a holder for a test head and a column . positioning apparatus adjustable in a vertical direction is connected to the test head on the column . the handling device advantageously has a simple and compact structure and an exactly reproducible , smooth movement of the test head , because the positioning apparatus has at least one pair of interspaced articulated arms in which one end thereof is respectively articulated on the holder and the other end thereof is articulated on a carriage which can be displaced in a horizontal direction . the articulated arms can be pivotably arranged around a vertical axis . the carriages can move independently from each other .