Abstract: Methods, apparatus, systems and articles of manufacture are disclosed for leak detection from a thief hatch. An example thief hatch includes a vent control stem coupled to first and second sealing plates, the first and second sealing plates to control fluid flow through the thief hatch based on translation of the vent control stem, and an indicator extending from the vent control stem to provide a visual indication of a condition of the fluid flow.

Abstract: A system and method for substantially coincidental sample takeoff flow rate verification which detects unstable flow conditions in a pipeline, terminates fluid sample analysis during flow instability, and resumes sample takeoff when a steady flow state is re-established.

Abstract: A particle detecting device is provided. The particle detecting device includes an impactor, a resonator and a piezoelectric actuator. A gas containing a plurality of suspended particles is transported into the impactor and is impacted by the impactor for performing separation and screening based on different diameters of the suspended-particles. Moreover, screened and required-diameter particles from the impactor are collected by the resonator to detect a mass and a concentration of the screened and required-diameter particles. Thus, the air quality can be monitored anytime and anywhere.

Abstract: A breath analyte capture device includes a breath input port into which a user exhales a breath sample, and a cartridge insertion port for receiving a disposable cartridge containing an interactant. During exhalation of a breath sample, at least a portion of the breath sample is routed through the cartridge such that the analyte (such as breath acetone) is captured by the interactant. In some embodiments, the concentration of the analyte in the breath sample is measured by monitoring a chemical reaction that occurs in the disposable cartridge. The chemical reaction may be monitored by illuminating the cartridge at each of multiple light wavelengths while measuring reflected light.

Abstract: A particle detecting device is provided. The particle detecting device includes a resonator and a piezoelectric actuator. The piezoelectric actuator is used to transport a gas into the resonator, and a mass and a concentration of the screened and required-diameter particles are detected through the resonator. Thus, the air quality can be monitored immediately anytime and anywhere.

Abstract: The present disclosure relates to devices, systems, and methods for quantitative measurements of colloid properties with a depletion force sensor. An example system of the present disclosure may include a well, a mass, a sensor, and a processor. The well may be contain a test fluid. The mass has a surface which may be immersed in the test fluid during operation. The sensor may include a sensing element which may be immersed in the test fluid during operation. The sensing element may include a sensor face separated from the surface of the mass by a gap. The sensor may measure a force on the sensing element relative to the mass. The processor may be coupled to the sensor and may determine properties of the test fluid based on the force.

Abstract: The present invention relates to provide, among other things, the methods, devices, and systems that can simply and quickly collecting and analyzing a tiny amount of vapor condensates (e.g. exhaled breath condensate (EBC)).

Abstract: A gas detection-use image processing device is provided with a first input unit on which an operation of inputting a flow rate of gas used as an index of a gas concentration level which is wanted to be detected is performed to input the flow rate, a second input unit to which an image of an imaging target taken by the imaging device is input, and a first calculation unit which calculates, when the image is taken in a state in which the gas of the flow rate appears in an imaging range of the imaging device, a region in which the gas may be visualized in the imaging range.

Abstract: A sensor board includes an insulating substrate having an upper surface and a lower surface, first detection electrodes located on the upper surface of the insulating substrate, second detection electrodes located on the lower surface of the insulating substrate, and a heat generator located between the first detection electrodes and the second detection electrodes inside the insulating substrate and including at least one conductor layer. A portion of the insulating substrate between the heat generator and the first detection electrodes has the same thickness as a portion of the insulating substrate between the heat generator and the second detection electrodes.

Abstract: In one embodiment, a method includes determining, by a controller, a first wind pressure associated with a first port of a first probe, determining, by the controller, a second wind pressure associated with a second port of the first probe, and determining, by the controller, a reference wind pressure associated with an end portion of the first probe. The method also includes calculating, by the controller, a first reference differential using the first wind pressure and the reference wind pressure, calculating, by the controller, a first rotational differential using the first wind pressure and the second wind pressure, and calculating, by the controller, an angular coefficient using the first reference differential and the first rotational differential. The method further includes calculating, by the controller, a wind velocity using the first reference differential and the angular coefficient. The wind velocity represents a wind velocity relative to a vehicle.

Abstract: The present disclosure relates to a package structure, a display panel, a display device, and a method for detecting a package structure. The package structure includes a first package layer and a second package layer disposed opposite to each other, and a sealing element between the first package layer and the second package layer for forming a sealed space between the first package layer and the second package layer. The package structure further includes a detecting element located in the sealed space, the detecting element including an oxygen sensitive material, the oxygen sensitive material including a material whose light emission characteristics are changed after exposure to oxygen.

Abstract: The invention concerns the field of container closure integrity (CCI) and the testing of CCI and relates to a device and a method for providing a displacement of a rubber stopper for leakage testing of a connection between the rubber stopper and a corresponding drug container which can be used for storing drugs under sterile conditions and which is closed by said rubber stopper.

Abstract: A liquid level detection device that is provided in a vessel and configured to detect a liquid level of fluid stored in the vessel includes a first plate formed in a plate shape, and a second plate formed in a plate shape and disposed to face the first plate. The first plate is disposed in such a manner that a surface opposite to a surface facing the second plate is orthogonal to a flow direction of fluid around the first plate in the vessel.

Abstract: An assembly (10) to engage seemingly closed bags (11) that contain a product. The assembly (10) includes a conveyor (14) that has a length (16) that is moved in a conveying direction (17). A compression device (24) is adjustable in respective distance from the length (17) by a “parallelogram” arrangement. The compression device (24) engages the bags (11) and compresses the bag (11) against the length (12), with sensors (33 and 34) providing a signal indicative of the depth of the bags (11), and therefore a signal indicative of bags (11).

Abstract: Apparatuses, systems and methods associated with a metrology system for high-speed, non-contact coordinate measurements of parts are disclosed herein. In embodiments, the metrology system includes a metrology bridge to be coupled to a measurement assembly. The measurement assembly may include a stage moveable across multiple independent axes. The bridge may include a housing, mounting members coupled to the housing, and a plurality of sensors mounted within the housing. The mounting members may rotatably couple the housing to the measurement assembly. Further, sensor elements of the plurality of sensor devices may be aligned along a length of the housing and may be directed out of the housing.

Abstract: A fluid level indicator (50) for indicating the fluid level in an ophthalmic irrigation and/or aspiration system comprises a chamber (10) configured for holding a surgical fluid (F). The chamber (10) comprises at least one fluid port (72; 74) and a pressure port (71) for connection to a pressure source (20). A channel (140) extends from the chamber (10). The fluid level indicator (50) comprises a float (160) having a float body (162) disposed within the chamber (10) and a stem (164) extending from the float body (160) into the channel (10). The float body (160) is configured to move with the level of fluid within the chamber (10), thereby moving the stem (164) along the channel (140) extending from the chamber (10). The position of the stem (164) within the channel (40) indicates the fluid level within the chamber (10).

Abstract: A MEMS gas sensor is disclosed. In an embodiment a MEMS gas sensor includes a carrier having a recess, a gas sensitive element arranged in the recess and a shielding layer at least partially covering the recess.

Abstract: Provided are a method and device for dynamically monitoring suspended matter based on an annular interleaving array. An annular multi-band interleaving array used thereby can be combined with the Doppler effect to on-line measure the concentration and linearity distribution of the suspended matter and a three-dimensional flow velocity of suspended water, thus realizing real-time monitoring of water quality. A frequency range needing to be measured is divided into different frequency bands, and different transceiving transducer arrays are used to transmit and receive measurement signals, so that the concentration and linearity distribution of various suspended matter with an extremely large linearity range can be obtained through one measurement.

Abstract: An exhaust gas dilution device according to an exemplary embodiment of the present invention includes a head part, ejector unit, a nozzle part, and a dilution part. The head part has a space part into which an exhaust gas flows and a through-hole formed through the center axis direction to be connected to the space part. The ejector unit is coupled to the head part and has a first discharge hole formed passing through the center axis direction to be connected to the through-hole and connected to a first inlet to which primary dilution air is supplied. The nozzle part is inserted into a first discharge hole through the through-hole and has a second discharge hole that penetrates in the center axis direction so that the exhaust gas flowed into the space part is sucked and ejected into the first discharge hole as the primary dilution air moves through the first discharge hole.

Abstract: A sensing element includes a substrate including an electrically non-conductive surface, at least one high surface energy region, and an electrode pair structure disposed on the electrically non-conductive surface. The electrode pair structure includes at least one pair of electrodes having a gap therebetween. At least one of the electrodes is at least partially within the at least one high surface energy region. The sensing element is configured to sense fluid-soluble particulate matter.