A bond tester apparatus arranged for determining a strength of a bond and/or a material present on a base, said bond tester apparatus comprising: 1) a frame 2) a force measurement module (3, 4, 6), comprising: - a shear tool arranged for applying a shear force to said bond and/or said material, the shear tool movable in a vertical direction through a stage fixed to the frame; 3) a displacement module (7, 17), comprising: - a movable rigid body, movable in a vertical direction through said stage; characterised, by - a movable member movably connecting said force measurement module (3, 4, 6) to said movable rigid body, thereby providing a vertical displacement distance between said rigid body and said force measurement module (3, 4, 6), the movable member movable with respect to the movable rigid body in a vertical direction so that the vertical displacement distance may be reduced; - a displacement sensor (9, 10) arranged for measuring said vertical displacement distance; 4) a controller arranged for: - monitoring said measured vertical displacement distance; - moving said rigid body, and thereby also said force measurement module (3, 4, 6), towards said base until said shear tool comes in contact with said base thereby reducing the vertical displacement distance to a vertical contact displacement distance; - controlling said movable member to clamp said force measurement module (3, 4, 6) to said movable rigid body such that a vertical distance between said base and said shear tool is said vertical contact displacement distance; - moving said rigid body, and thereby also said force measurement module (3, 4, 6), to set a shear height of said shear tool, based on said contact displacement distance. 1) a frame 2) a force measurement module (3, 4, 6), comprising: - a shear tool arranged for applying a shear force to said bond and/or said material, the shear tool movable in a vertical direction through a stage fixed to the frame; - a shear tool arranged for applying a shear force to said bond and/or said material, the shear tool movable in a vertical direction through a stage fixed to the frame; 3) a displacement module (7, 17), comprising: - a movable rigid body, movable in a vertical direction through said stage; characterised, by - a movable member movably connecting said force measurement module (3, 4, 6) to said movable rigid body, thereby providing a vertical displacement distance between said rigid body and said force measurement module (3, 4, 6), the movable member movable with respect to the movable rigid body in a vertical direction so that the vertical displacement distance may be reduced; - a displacement sensor (9, 10) arranged for measuring said vertical displacement distance; - a movable rigid body, movable in a vertical direction through said stage; characterised, by - a movable member movably connecting said force measurement module (3, 4, 6) to said movable rigid body, thereby providing a vertical displacement distance between said rigid body and said force measurement module (3, 4, 6), the movable member movable with respect to the movable rigid body in a vertical direction so that the vertical displacement distance may be reduced; - a displacement sensor (9, 10) arranged for measuring said vertical displacement distance; 4) a controller arranged for: - monitoring said measured vertical displacement distance; - moving said rigid body, and thereby also said force measurement module (3, 4, 6), towards said base until said shear tool comes in contact with said base thereby reducing the vertical displacement distance to a vertical contact displacement distance; - controlling said movable member to clamp said force measurement module (3, 4, 6) to said movable rigid body such that a vertical distance between said base and said shear tool is said vertical contact displacement distance; - moving said rigid body, and thereby also said force measurement module (3, 4, 6), to set a shear height of said shear tool, based on said contact displacement distance. - monitoring said measured vertical displacement distance; - moving said rigid body, and thereby also said force measurement module (3, 4, 6), towards said base until said shear tool comes in contact with said base thereby reducing the vertical displacement distance to a vertical contact displacement distance; - controlling said movable member to clamp said force measurement module (3, 4, 6) to said movable rigid body such that a vertical distance between said base and said shear tool is said vertical contact displacement distance; - moving said rigid body, and thereby also said force measurement module (3, 4, 6), to set a shear height of said shear tool, based on said contact displacement distance.