Abstract: A gas sensor with improved sensitivity. The gas sensor comprises an active sensor unit, a reference sensor unit and a temperature control circuit. The active sensor unit has an active detector. The reference sensor unit has a reference detector. The temperature control circuit is provided and configured to keep a detector at a predetermined temperature.

Abstract: A tire wear measuring device that detects wear of a tire based on a magnetic field from a magnetic object embedded in the tire includes magnetic sensors and a battery. The battery is capable of transmitting the magnetic field from the magnetic object, and has an outer edge from which the magnetic field from the magnetic object is emitted as an emission magnetic field. Each of the magnetic sensors is disposed in a position where the emission magnetic field is detectable by the sensor.

Abstract: In accordance with an embodiment, a device includes an interface configured for obtaining at least one measurement signal from a temperature sensor. In a first time interval the at least one measurement signal comprises information about a temperature-dependent voltage difference between a first temperature-dependent voltage at a first diode of the temperature sensor and a second temperature-dependent voltage at a second diode of the temperature sensor. In a second time interval the at least one measurement signal comprises information about a measurement value of a temperature-dependent voltage at a temperature-dependent electrical component of the temperature sensor.

Abstract: The invention relates to a low temperature indicator mixture for indicating/monitoring a temperature transition within a temperature range of between ?20° C. and ?160° C., which comprises at least one dye, e.g. oil red, methyl rot, brilliant green, rhodamine B, and at least one alcohol selected from the group that comprises octane-1-ol, nonan-1-ol, propane-1,2-diol, propane-1,3-diol, butane-1,2-diol, butane-1,3-diol, butane-2-ol, pentane-1,5-diol, pentane-1-ol, cyclopentanol, benzyl alcohol, wherein the melt temperature of the mixture is within the aforementioned temperature range. Further aspects of the invention relate to devices and methods for indicating/monitoring a temperature transition within the aforementioned temperature range, in which devices and methods the aforementioned low temperature indicator mixture is used.

Abstract: A sensor, an assembly of the sensor with a pair of cylindrical pipes, and a method have dispose the sensor in-line with the pipes. The sensor has an annular electrode extending in a 360 degree range of detection of a first characteristic around a common longitudinal axis of the pair of pipes, which maximizes the range of detection of the first characteristic of the pipes. The annular electrode includes a conductor connecting the annular electrode to a measurement transmitter. The annular electrode detects the first characteristic and generates a first measurement signal corresponding to the first characteristic. The conductor conveys the first measurement signal to the measurement transmitter. The method implements the operation of the sensor.

Abstract: A handle for a cookware device contains a power supply that is operative to energize one or more of a processor, transceiver and accelerometer, as well as a memory device. The processor is also connected to a one or more external leads that extend into the handle at least to the connection to a sidewall of cooking device for further connection to a sensing circuit or power harvesting circuit. The end of the handle holds at least the processor but is in removable engagement from the portion with the power supply with a resilient sealing member to form a water proof seal.

Abstract: There is provided a mounting table on which a substrate to be inspected is mounted. The mounting table comprises: a plurality of temperature sensors, each configured to measure a temperature of a corresponding one of a plurality of spots on the mounting table; and electrode pads, each connected to a corresponding one of the temperature sensors and installed on a mounting surface.

Abstract: A gas detection system includes a gas sensor, and a filter unit. The gas sensor is configured to detect detection target molecules. The filter unit is disposed at a reference gas supply passage. The reference gas supply passage connects a reference gas inlet port from which a reference gas is introduced, and a sensor chamber in which the gas sensor is housed. The filter unit includes at least a first filter configured to reduce the detection target molecules in the reference gas, and a second filter configured to reduce moisture in the reference gas. Each of the first filter and the second filter has a separation membrane including hollow fibers.

Abstract: A portable system for testing or demonstrating an agricultural implement includes a case (104) carrying a power supply (206), a plurality of electrical couplers (120) configured to receive wiring harnesses associated with test devices, a simulator module (214) configured to simulate at least one operating parameter of the agricultural implement on which test devices are carried, and a control system. The control system includes a graphical user interface (110) and processing circuitry operably electrically coupled to the graphical user interface (110) and to the wiring harnesses. The processing circuitry is configured to monitor and display information pertaining to operation of the test devices. A method for testing or demonstrating an agricultural implement includes connecting a test device an electrical coupler of the portable system, sending a control signal to the test device, and monitoring performance of the test device with the control system.

Abstract: A temperature measurement device provided in the present application, wherein the temperature measurement device comprises a temperature probe, wherein the temperature probe comprises: a cylinder and a handle, wherein the handle has a distal opening away from the cylinder and a proximal opening detachably connected to the cylinder, a cross-sectional area of the handle gradually decreases from the distal opening to the proximal opening, the bottom of the proximal opening is provided with a first step that extends radially inward, and the inner diameter Rd of the distal opening is greater than the inner diameter Rp of the first step, the cylinder comprises a tip for inserting into food, a cylindrical portion, and an upper end opposite to the tip, the upper end has a second step that is connected to the cylindrical portion and extends radially outward.

Abstract: Methods and systems for characterizing ultrasonic environments using piezo-electric sensor devices. In general, a piezo-electric sensor assembly is disposed and selectively repositioned in the fluid in an ultrasonic cleaning vessel, before, while, or after a component to be cleaned is present, providing quantitative and directional data regarding the high and low energy areas within the tank, where cleaning will be more or less intense, as well as areas in which standing waves without cavitation are present, representing cleaning dead spots. Further, the presence of harmonic vibrations can be detected where a fixed frequency causes a part itself to resonate. Thus, wave cancellation, reinforcement, and relative uniformity can be mapped and assessed in an ultrasonic environment, such as an ultrasonic cleaning environment or ultrasonic environment used for another purpose.

Abstract: A monolithically integrated chromatography device includes a first chromatography column and a second chromatography column formed in a common substrate. The first chromatography column and the second chromatography column are each in fluidic communication with a port formed on the same common substrate. When the port is open, the first chromatography column and the second chromatography column are in fluidic communication with one another. When the port is closed, the first chromatography column and the second chromatography column are not in fluidic communication with one another. The monolithically integrated chromatography device can include a heating element formed on the same substrate as the chromatography columns.

Abstract: A ducted smoke detector includes a housing defining an interior cavity, an air inlet in fluid communication with the interior cavity, an air outlet in fluid communication with the interior cavity, a smoke sensing chamber disposed in the interior cavity, and a particulate separator disposed between and in fluid communication with the air inlet and the smoke sensing chamber in the interior cavity. The particulate separator includes a shaft, a perforated wall disposed around the shaft, and a plurality of deflection vanes disposed on the shaft. The perforated wall extends from a first open end to a second open end, is connected to the shaft, and is configured to rotate with the shaft. The plurality of deflection vanes is disposed on the shaft and extend radially outward toward the perforated wall, the plurality of deflection vanes configured to rotate with the shaft and the perforated wall.

Abstract: The technologies described enable tracking statuses of and performance metrics for alcohol sensing devices, with respect to performing device integrity checks in order to ensure that testing of provided samples is performed properly. Systems described include alcohol testing devices including flow tubes, alcohol sensors, pumps, supplementary sensors, processors, and user interfaces. Methods described include steps for performing a set of integrity checks in coordination with receiving samples (e.g., breath samples, transdermal samples, etc.) from users.

Abstract: A particle content extraction device, comprising: a first extracting unit, configured to extract, from a whole sample containing a target particle, an extraction sample containing the target particle without performing an abort processing; a second extracting unit, configured to subject the extraction sample to the abort processing and to extract the target particles; and a stirring unit, arranged in a flow path between the first extracting unit and the second extracting unit and configured to vary particle interval in the extraction sample extracted from the first extracting unit, and the stirring unit comprises a tubular member connected to a pump to provide the extraction sample to the second extracting unit. The particle content extraction device can quickly analyze and extract the particle components through the extraction process provided by the present application, which is convenient for users to carry out analysis work.

Abstract: A pressure sensor includes a substrate, a pressure sensing element, a first signal line, a second signal line, an elastomer, and an opposite substrate. The pressure sensing element includes first and second resistors connected in series, a third and fourth resistors connected in series, a first switch component, and a second switch component. The first and second resistors are connected in parallel to the third and fourth resistors. The first switch component is electrically connected between the first and second resistors. The second switch component is electrically connected between the third and fourth resistors. The first to fourth resistors at least partially overlap with a cavity of the elastomer, which can increase the stress on the first to fourth resistors when the pressure sensor is under pressure, thereby improving the sensitivity of the pressure sensor.

Abstract: A gas component detection device includes a column, a sensor, a flow path, and a flow path switch. The column separates a component of gas to be detected. The sensor is, for example, a semiconductor sensor, is connected to the downstream side of the column, and detects a component of gas to be detected. The flow path connects the column and the sensor. The flow path switch is arranged between a flow path and a flow path. The flow path switch switches between and executes a measurement mode in which gas to be detected discharged from the column flows into the sensor, and a discharge mode in which gas to be detected discharged from the column is discharged to the outside.

Abstract: A gas detection device is provided, including: a first inlet channel, a second inlet channel, a detection module, a switch valve and a control module. The first inlet channel is configured to input a sample gas. The detection module is configured to obtain a detected concentration value of a detection target from the sample gas. The switch valve is switchable to communicate the detection module with the first inlet channel or the second inlet channel. The control module is communicative with the detection module and the switch valve and includes a processing unit and a setting unit. The setting unit is configured to set a setting concentration value, and the processing unit controls the switch valve according to the detected concentration value and the setting concentration value so as to protect the detection module. Therefore, the gas detection device has self-protection functionality.

Abstract: A method for determining flow information of a well producing fluid from a subsurface formation comprising. The method comprises obtaining at least one first production measurement from the well. The method comprises obtaining, with a sensor, a first measurement generated by the fluid flowing through a device. The method comprises inputting the first measurement and the at least one first production measurement into a virtual flow meter. The method comprises determining, via the virtual flow meter, a multi-phase flow rate of the fluid based on the first measurement and the at least one first production measurement.

Abstract: The present disclosure relates to systems and methods for determining the water level and health of a wellbore. The system may be configured to perform a wellbore water level determination method and a wellbore health determination method to determine the water level in a wellbore (and/or the health of the wellbore) using a set of real-time parameters and pump-characteristics data.