An Inertial Vibration Shaker is a testing device used for examining the vibrational behaviour of structures, similar to modal shakers. However, the key distinction lies in their connection styles. Inertial shakers vibrate their own bodies, making them directly fixed to the structure under test, simplifying the testing process compared to modal shakers. They are particularly suitable for use with larger structures and offer ease of use. These shakers can be utilised for modal testing, depending on the desired excitation frequencies and levels.