Test arrangement has test object holder with arrangement for centering test object that is enclosed by housing, is movable vertically and has replaceable conical frustum and spring

摘要

The arrangement has a device (2) for holding a test object and a ram device (3) with a tip that can be moved to stimulate vibration of the test object. The holder has an arrangement for centering the test object that is enclosed by a casing, is movable vertically and has a replaceable conical frustum (7) and a spring (13). The casing contains a microphone.