9 Accessories for balancing machines, namely, vibration sensors, motion sensors, analyzers for determining the unbalance of rotors, computer-controlled devices for evaluating the unbalance of objects, compensation units in the nature of balances for compensating the unbalance of rotors and rotatable components to be balanced; weights, in particular balancing weights compensating the unbalance of rotors and rotatable components; balancing apparatus for measuring unbalance of workpieces to be balanced and of the balanced workpieces; vibration sensors; vibration gauges; acceleration sensors; safety, security, protection and signaling devices, namely light switches and protective shielding hoods for noise protection and protection against injuries; checking and supervision apparatus and instruments, namely cameras, instruments measuring the unbalance of workpieces to be balanced, and computers; electrical and electronic control, testing, and monitoring apparatus, namely, electronic controllers for balancing machines, electronic apparatus for testing and measuring vibration of and force applied to rotors and rotatable components; measuring, detecting and monitoring instruments, indicators and controllers, namely, measuring tapes, tool measuring instruments, vibration meters, vibration measuring sensors, vibration, shock, motion, angle, temperature and voltage sensors, ultrasonic flaw detectors, power controllers; diagnostic apparatus, not for medical purposes, for measuring unbalance of workpieces to be balanced and of the balanced workpieces and for measuring vibrations of the workpieces; downloadable computer software for the control of balancing machines, systems and technology; downloadable computer software for the control of measuring instruments for balancing tasks; testing and quality control devices, namely, electronic apparatus and instruments for controlling and testing unbalances of drives and motors; balancing machines for turbocharger assemblies; balancing machines for rotors and rotatable parts of machines and engines, in particular for rotors of turbochargers and turbo compressors, for turbine wheels, for compressor wheels and for shafts