The TQ 403 is manufactured by Megitt Company. It is a tool that have the main function of measuring the relative vibration and axial positions of rotating machine shafts like of TQ 401.
The component is formed from calibrated proximity system on which the components are versatile. It has 5 m and 10 m systems and a temperature compensated system having a voltage or current output with protection against short circuits and frequency response of DC to 20 kHz (−3 dB).