A system for a clinical analyzer in an in vitro diagnostics (IVD) environment comprising: a mounting clamp ; and a single piece radial transfer arm , the transfer arm comprising: an elongated, rigid member comprising: a top surface ; a bottom surface ; a pivot end ; and a component end comprising attachment locations for components to be secured to the elongated, rigid member ; the components comprising a probe , a mixing device and one or more of a crash detection mechanism, pick-and-place devices, circuit boards and valves , characterized in that the elongated rigid member further comprises a plurality of radial configuration mounting locations provided on the bottom surface of the pivot end to allow for multiple radial distances between a pivoting axis of the transfer arm at the pivot end and an attached probe to accommodate arcs of different radii, and wherein the mounting locations are configured to secure the mounting clamp to the elongated, rigid member in order to couple a shaft to the elongated, rigid member , wherein the bottom surface extends horizontally and the shaft is oriented perpendicular to the bottom surface in vertical direction during use. a mounting clamp ; and a single piece radial transfer arm , the transfer arm comprising: an elongated, rigid member comprising: a top surface ; a bottom surface ; a pivot end ; and a component end comprising attachment locations for components to be secured to the elongated, rigid member ; the components comprising a probe , a mixing device and one or more of a crash detection mechanism, pick-and-place devices, circuit boards and valves , characterized in that the elongated rigid member further comprises a plurality of radial configuration mounting locations provided on the bottom surface of the pivot end to allow for multiple radial distances between a pivoting axis of the transfer arm at the pivot end and an attached probe to accommodate arcs of different radii, and wherein the mounting locations are configured to secure the mounting clamp to the elongated, rigid member in order to couple a shaft to the elongated, rigid member , wherein the bottom surface extends horizontally and the shaft is oriented perpendicular to the bottom surface in vertical direction during use. a top surface ; a bottom surface ; a pivot end ; and a component end comprising attachment locations for components to be secured to the elongated, rigid member ; the components comprising a probe , a mixing device and one or more of a crash detection mechanism, pick-and-place devices, circuit boards and valves , characterized in that the elongated rigid member further comprises a plurality of radial configuration mounting locations provided on the bottom surface of the pivot end to allow for multiple radial distances between a pivoting axis of the transfer arm at the pivot end and an attached probe to accommodate arcs of different radii, and wherein the mounting locations are configured to secure the mounting clamp to the elongated, rigid member in order to couple a shaft to the elongated, rigid member , wherein the bottom surface extends horizontally and the shaft is oriented perpendicular to the bottom surface in vertical direction during use. <EOS>