The present invention relates to a measuring device using an electrical conductivity and having a function of informing electrode contamination. The measuring device includes a main body on which a display part is disposed on a surface thereof, and a control module controlling an operation of the measuring device is mounted therein, and a sensor unit disposed on one side of the main body and dipped into the object to measure electrical characteristics of the object to be measured. The sensor unit is driven by the control of the control module, and at least includes a first sensor electrode and a second sensor electrode for measuring electrical characteristics of the object to be measured. The sensor unit further includes a reference electrode disposed between the first and second electrodes at the same distance from each other.

The present invention relates to a measuring device using an electrical conductivity and having a function of informing electrode contamination. The measuring device includes a main body on which a display part is disposed on a surface thereof, and a control module controlling an operation of the measuring device is mounted therein, and a sensor unit disposed on one side of the main body and dipped into the object to measure electrical characteristics of the object to be measured. The sensor unit is driven by the control of the control module, and at least includes a first sensor electrode and a second sensor electrode for measuring electrical characteristics of the object to be measured. The sensor unit further includes a reference electrode disposed between the first and second electrodes at the same distance from each other.

The present disclosure relates to a measuring circuit for a conductivity sensor, wherein the measuring circuit includes a built-in reference circuit and multiple built-in measuring ranges.

The present disclosure relates to a measuring circuit for a conductivity sensor, wherein the measuring circuit includes a built-in reference circuit and multiple built-in measuring ranges.

The present disclosures relates to a leakage sensor cable comprising a first conductive wire and a second conductive wire; a first conductive coating layer formed around the first conductive wire; a second conductive coating layer formed around the second conductive wire; a first permeable shell formed around the first conductive coating layer to form a first sensor cord; a second permeable shell formed around the second conductive coating layer to form a second sensor cord; wherein the first sensor cord and the second sensor cord are arranged together along their lengths to form a leakage sensor cable; and wherein the permeable shell is impregnated with electrolyte particles. The leakage sensor can be combined with a resistance-meter connected to the leakage sensor cable to form a leakage sensor assembly.

The present disclosure provides for an electronic sensor for detecting a root of a plant in soil, the electronic sensor that includes a first conductor plate configured to be disposed in soil, a switch, a power supply, and signal extractor. The switch is electrically coupled to the first conductor plate and is configured to switch between a first mode and a second mode. The power supply is electrically coupled to the switch and is configured to provide an electrical charge to the first conductor plate in the first mode of the switch. The signal extractor is electrically coupled to the switch and is configured to extract a signal response at the first conductor plate in the second mode of the switch. The present disclosure further provides a second conductor plate configured to be disposed in soil adjacent to and substantially parallel to the first conductor plate. The second conductor plate is electrically coupled to ground.

The disclosure is related to a system and method for monitoring the integrity of fluid filled connector systems. The system includes a connector with a first space and a first measurement probe. A module or a receptacle is connected to the connector and includes first wiring that is coupled with second wiring in the connector. The module or the receptacle includes a second space in fluid connection with the first space. The first space and the second space include a fluid sealed within. The second space includes a second measurement probe. A measurement device is connected to the first measurement probe and the second measurement probe to determine an impedance value across the first space and the second space. The impedance value corresponds to an integrity measure for the system based at least in part on the fluid sealed within.

The present disclosure relates to a method and apparatus for determining whether an electronic device contacts a fluid or not. The electronic device may include: a housing; at least one sensor arranged in the housing; a coupling member connected to a part of the housing and configured to detachably couple the electronic device to a part of a body of a user; a conductive member arranged on a surface of the housing or on a surface of the coupling member and exposed to an outside while being electrically connectible to the at least one sensor; a processor electrically connected to the at least one sensor and the conductive member; and a memory electrically connected to the processor. The processor determines whether the conductive member has contacted a fluid or not using the at least one sensor and executes a second action at least partially based on the determination.

The present disclosure relates to a method and apparatus for determining whether an electronic device contacts a fluid or not. The electronic device may include: a housing; at least one sensor arranged in the housing; a coupling member connected to a part of the housing and configured to detachably couple the electronic device to a part of a body of a user; a conductive member arranged on a surface of the housing or on a surface of the coupling member and exposed to an outside while being electrically connectible to the at least one sensor; a processor electrically connected to the at least one sensor and the conductive member; and a memory electrically connected to the processor. The processor determines whether the conductive member has contacted a fluid or not using the at least one sensor and executes a second action at least partially based on the determination.

The present disclosure relates to a method for determining the conductivity of a medium by means of a conductive conductivity sensor, comprising the steps of determining measured values of the conductivity sensor, determining reference measured values of a reference circuit integrated into the conductivity sensor, deriving at least one adjustment value from the reference measured values of the reference circuit, and correcting the measured values of the conductivity sensor by means of the at least one adjustment value.