9 Accessories for balancing machines, namely, vibration sensors, motion sensors, analyzers in the nature of sensors for determining the unbalance of rotors, computer-controlled devices in the nature of sensors for evaluating the unbalance of objects, and compensation units in the nature of sensors for detecting and compensating for the unbalance of rotors and rotatable components; balancing apparatus for measuring whether workpieces are balanced; 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 for measuring the unbalance of workpieces to be balanced, and computers; electronic control systems, namely, electronic controllers for balancing machines; accessories for balancing machines, namely, sensors for testing and measuring vibration of and force applied to rotors and rotatable components; portable test apparatus, namely, measuring tapes; portable test apparatus, namely, tool measuring instruments for balancing machines; accessories for balancing machines, namely, vibration, shock, motion, angle, temperature and voltage sensors; diagnostic apparatus, not for medical purposes, namely, ultrasonic flaw detectors; electronic control systems, namely, electronic power controllers; diagnostic apparatus, not for medical purposes, namely, instruments for measuring unbalance of workpieces to be balanced and of the balanced workpieces and for measuring vibrations of the workpieces; downloadable software for the control of balancing machines, systems and technology; downloadable 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, namely, sensors and instruments for measuring and detecting balance and unbalance in turbocharger assemblies; balancing machines, namely, sensors and instruments for measuring and detecting balance and unbalance in 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