| 摘要 |
Sensor device for performing measurements on an at least partially conductive surface comprising electronic circuitry having a number of interogation electrodes for measuring impedance between the electrodes and a power supply, the device having an outer surface for contact with the at least partially conductive surface comprising a number of outer conductors stretching from the outer surface having an outer an an inner end, said outer ends being adapted to electrical coupling to the conductive surface and said inner ends of said outer conductors being coupled to the interrogation electrodes through a shunt impedance, said outer conductors being mutually separated by an insulating material. |
