Patent ID: 11879811
Assignee: VALBATECH INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 14:
15. A sensor cable for detecting the presence of a target fluid, comprising:
an elongated sensor having a proximal end and a distal end, and an inner portion therebetween, the sensor comprising: a first conductor extending from the proximal end to the distal end of the sensor and an elongated swellable conductor extending from the proximal end to the distal end of the sensor, isolated from the first conductor in the inner portion of the sensor, wherein at least a portion of the swellable conductor is swollen when the portion is in contact with and absorbs the target fluid, and wherein a conductance of the portion is at least 10 times less when the portion is in contact with the target fluid than when absent contact with the target fluid;
and a termination resistor connected in parallel to the swellable conductor of the elongated sensor through the first conductor of the elongated sensor.