A flavored vapor generator (100, 200, 300, 400) used for an electronic smoking apparatus (10) comprises a housing; a liquid retention material (155, 255) which is filled, soaked or immersed with a flavored liquid and received inside the housing; an electric heater (150, 350, 450) for heating the liquid retention material (155, 255) to generate flavored vapor; and a sensor (156, 356, 456) for monitoring soaking or wetness conditions of the liquid retention material (155, 255) and providing signals for determining whether the flavored liquid in the liquid retention material (155, 255) is exhausted or almost exhausted.

A fluid level detection apparatus for sensing a fluid level of a liquid in within a container, the apparatus including electrically conductive first and second members each having proximal and distal end portions both in an initial circuit state. Also included in the apparatus is control circuitry that is operative to monitor the first and second proximal end portions to produce a primary perceptible output in response to the first and second distal end portions forming an auxiliary circuit state from the initial circuit state, wherein operationally the first and second distal end portions are disposed within the container moving from the initial circuit state to the auxiliary circuit state with a presence of the liquid in the container with the liquid in contact with the first and second distal end portions to ultimately indicate a primary liquid level resulting in the primary perceptible output.

In one example a fluid level sensing device is described. The device includes a sensing die having a number of fluid level sensors disposed thereon and a number of control devices, each control device corresponding to one of the number of fluid level sensors. A control device includes a comparing device to determine a state of a corresponding fluid level sensor. A state of the fluid level sensor is selected from the group consisting of a fluid state and a no-fluid state. Each control device also includes a non-volatile memory device corresponding to the comparing device to indicate whether the corresponding fluid level sensor is at the fluid state or the no-fluid state. A control device also includes a locking device to irreversibly set the non-volatile memory device to the no-fluid state independent of a write command from a controller.

A drop test measuring system and method of use is described. Embodiments of the drop test measuring system can include, but is not limited to, a control module, a liquid level measuring device, and a remotely located smart device. The liquid level measuring device can be implemented to take measurements that can allow a smart device to calculate a liquid level based on the measurements in addition to other known parameters. Typically, the drop test measuring system can be implemented in a water treatment facility implementing a filter medium.

In some implementations, one or more devices may determine whether an electrical circuit is closed or open, the electrical circuit including electrodes of the sensor device, the electrical circuit being closed based on the electrodes being immersed in a lubricant in a cavity of a component of a track assembly of the machine, the electrical circuit being open based on the electrodes not being immersed in the lubricant in the cavity. The one or more devices may generate sensor data based on determining that the electrical circuit is open, the sensor data indicating that a level, of the lubricant in the cavity, does not satisfy a level threshold. The one or more devices may cause the machine to perform an action based on the sensor data indicating that the level does not satisfy the level threshold.

An electrochemical sensor device to measure the level of the interface between the pulp and froth in a flotation process is disclosed, as is a related system and method. The device may be used relative to flotation of minerals, and comprises a sensor rod and a housing, wherein the sensor rod is the element inserted into the interior of a flotation cell and/or column, formed by a central carrier, made of electrically insulating material, onto which conducting electrodes are fixed, in the form of rings, arranged alternately with insulating rings, wherein said electrodes are connected to an electrical conductor that extracts the signals from each electrode. Each conducting ring represents a measurement level.

A system includes a container having an inner chamber for storing fluid, at least one measuring probe arranged within the chamber and one ground probe arranged within or near a bottom of the chamber. There is at least one impedance electrically connected with a processor which is electrically connected with the at least one measuring probe. A signal generator has a first voltage terminal electrically connected with the at least one impedance and a second voltage terminal electrically connected with the ground probe. When a signal is sent from the signal generator to the measuring probe, an electrochemical reaction occurs at the measuring probe and ground probe and stores a charge if the measuring probe and/or ground probe are immersed in fluid. The processor measures the voltage, current and power of the signal to calculate the resistance and capacitance of the fluid within the container to determine the level of fluid in the container. A method for measuring the level of fluid in the container includes the steps of applying at least one time-varying voltage signal to the one or more measuring probes, creating an electrochemical reaction between the ground probe and each measuring probe, storing energy around each probe that is submerged in fluid, measuring the current and power of the signals, and determining the level of fluid in the container based on the calculated capacitance and resistance of the fluid within the container.

A sensor for use in a canister for fluid collection, the canister having a canister top and defining a fluid collection chamber. The sensor includes a first electrode and a second electrode. The first electrode includes a first portion and a second portion, wherein the first portion of the first electrode is supported by the canister top, and the second portion of the first electrode is configured to extend into the fluid collection chamber. The second electrode includes a first portion and a second portion, wherein the first portion of the second electrode is supported by the canister top, and the second portion of the second electrode is configured to extend into the fluid collection chamber. The sensor also includes an electric circuit configured to detect an electrical property associated with the first and second electrodes.

The present invention relates to a flood detector (100), more specifically to a domestic flood detector comprising an alarm for detecting a low moisture level, an alarm for detecting an intermediate moisture level and an alarm for detecting a high moisture level.

An electrode for a liquid level sensor adapted for a determination of a liquid level of an electrically conductive liquid in a container is disclosed. The electrode comprises a first end configured for an electrically conductive contact with a sensor component of the liquid level sensor and a second end opposite the first end. The electrode is formed of one or more non-metallic materials of which at least one is an electrically conductive non-metal that is in electrically conductive contact with the first end of the electrode, wherein the at least one electrically conductive non-metal is configured for an electrically conductive contact with the electrically conductive liquid.