DEVICE AND METHOD FOR CAPACITIVE MEASUREMENT BY A FLOATING BRIDGE

摘要

The invention concerns a device (1.1) for capacitive measurement by a floating bridge, comprising: a sensor module (2.1) including a measuring electrode (200) and a guard electrode (201) arranged proximate a target electrode (7) connected to a general ground connection, an integrated circuit for capacitive measurement (3) surrounded by a guard (25) whereto said guard electrode (201) is connected, having an input (+)connected to the measuring electrode (200), a ground connection reference connected to the guard (25), an excitation output (OSC) connected to the general ground connection, and a measuring output (S), and a module (5) for measuring the movement and in terms of metrology, in particular dimensional.