Abstract: A shaft may be rotated, where the shaft includes an encoder with a first, second, and third logical track, where the first and second logical tracks include bit patterns that are readable to be 90 degrees out of phase with one another, and where the third logical track includes a sequence of n numbers, each number being represented by m bits, where n is greater than 1. While moving the shaft, a number of the sequence from the third logical track and an extent of bits from the first or second logical track may be read. An orientation of the shaft may then be determined based on the number and the extent of bits. The orientation may be a linear position of a linear encoder or an angular position of a rotary encoder.

Abstract: An optical detecting device includes a multi-axis instruction outputting mechanism and an optical detecting module, and shift of the multi-axis instruction outputting mechanism is determined accordingly. An actuating component of the multi-axis instruction outputting mechanism is moved in reciprocation at a first operating direction to output an instruction. The optical detecting module is disposed by the actuating component. An interval between the optical detecting module and the actuating component is varied according to a relative movement between the optical detecting module and the actuating component at a second operating direction, and the actuating component can be shifted between different gears.

Abstract: There is provided an absolute position detection type photoelectric encoder which improves robustness to dirt while maintaining high resolution. A two-level code pattern according to a pseudo random code sequence is provided on a scale along a length measurement direction. Each code of the two-level code pattern indicates a code “1” or a code “0”, and includes two bits. Each of the two bits is L or H. The code “1” is represented by an A pattern which is a combination of L and H, and the code “0” is represented by a B pattern which is a combination of L and L or a C pattern which is a combination of H and H. When the codes “0” are continued, the B pattern and the C pattern are alternately used.

Abstract: An optical fiber sensor system and a method for determining a location of a disturbance having a signal processor with a plurality of activation cells adapted to react to components of a back-scattered signal and label the disturbance.

Abstract: In a method for transmitting a data element from a sensor module that produces sensor data to an application unit, the data element is stored in a ring buffer in the sensor module, and a corresponding item of event information is produced in an evaluation circuit from the sensor data, the data element including the sensor data and the item of event information, the data element being transmitted from the ring buffer to the application unit upon request by the application unit.

Abstract: An interior sensor assembly is provided that comprises a first sensor housing that is mounted to a first interior surface, and a second battery housing that is mounted to a second interior surface. The battery housing and the sensor housings are electrically connected by way of a wired connection therebetween, and the battery housing is independently mountable relative to the sensor housing. In use, the sensor housing is mounted in an ideal location for detecting smoke, heat, carbon monoxide, or the like, while the battery housing is mounted in a convenient location such that a user has ready access to check and replace the battery when necessary. The battery housing comprises a lid, and optionally comprises a local circuit that supports an additional sensor or test circuit. The battery housing and the sensor housing may be secured to studs within an interior wall, or optionally using drywall tabs.

Abstract: A jig includes three columnar members, a stylus head receiving member, and a jig fixation portion. The second columnar member extends in a Z direction. The first columnar member extends in an X direction and is configured as a cantilever beam protruding in the X direction by having a first end of the first columnar member joined to a first end of the second columnar member. The third columnar member extends in the X direction and is configured as a cantilever beam protruding in the same direction as the first columnar member by having a first end of the third columnar member joined to a second end of the second columnar member. The stylus head receiving member is joined to the third columnar member such that a surface where a stylus head at a forefront end of a spindle of a gauge makes contact faces the first columnar member. The jig fixation portion is provided to the first columnar member so as to be attachable to a measurement spindle of the gauge inspection machine.

Abstract: A method and a system for reproducing a calibration certificate of an electronic instrument having at least one electronic storage means, the method involving separating the calibration certificate data into a first subset of data, which is calibration specific, and a second subset of data, which is document descriptive; defining a set of meta data about the second subset of data; storing the first subset of data and the set of meta data in the instrument's electronic storage means; storing the second subset of data in a computing device separated from the electronic instrument; and reproducing the calibration certificate by uploading the first subset of data and the set of meta data to the computing device and reconstructing the calibration certificate from the uploaded first subset of data set of meta data and the second subset of data.

Abstract: An apparatus for identifying and measuring volume fraction constituents of a fluid using time domain analysis and frequency domain analysis to identify individual volume fraction constituents within a pipe on a real time basis and to measure the volume of the individual volume fraction constituents flowing through the pipe on a real time basis.

Abstract: A Coriolis flow meter for measuring one or more properties of a fluid is described herein which involves a modular configuration, and includes a fluid flow sub-system and a mechanical oscillator sub-system, both functionally separate, and are coupled in a closed loop arrangement, such that the flow conduit is not directly vibrated, and instead receives induced oscillations from the mechanical oscillator sub-system. The Coriolis flow meter is useful for high purity applications, as well as for the bioprocessing applications. Bioprocessing systems incorporating the Coriolis flow meter are also described herein. Method for measuring one or more properties of a fluid using the disclosed Coriolis flow meter are also described herein.

Abstract: A measuring instrument for detecting a fill level or a limit level of a medium, for example fill levels in containers or chambers, is provided. The measuring instrument includes a sensor unit, which takes at least two measurements at two different penetration depths in the medium. For this purpose, an arithmetic-logic unit makes calculations so as to distinguish complete covering of the sensor unit by a medium from adhesion of parts of the medium to the sensor unit, using the results of the measurements.

Abstract: An apparatus or method for weighing and/or measuring the flow rate of quantity of a particulate flowing out of a hopper wherein the hopper is isolated from the other components of the apparatus. The apparatus and method are adapted to generate a decoupling point boundary that demarcates the total amount of particulate in the hopper into portions that are not fully supported and portions that are fully supported by the hopper. The particulate is in continuous contact with itself from the inlet to the outlet, with the particulate contained between the isolated hopper and the rest of the components of the system by a flexible coupling or some other method of containment. The invention has the advantages of higher accuracy, decreased cost and complexity, and greater reliability than other solid particulate weighing systems of the prior art, particularly when dealing with low density particulates.

Abstract: A weighing chamber base (34) for a precision balance (10) has a weighing base section (98) and two side cheeks (100), which extend perpendicularly from the weighing base section, and which are arranged on opposite edges (102) of the weighing base section outside the draft shield (12). Also, a draft shield (12) that has such a weighing chamber base (34), and has at least one side panel (26), which can be moved between an open position and a closed position. The side cheeks of the weighing chamber base form a section of the side walls (22) of the draft shield (12).

Abstract: A capacitance type transducer includes a plurality of cells each having a structure in which a vibrating film is supposed so as to be vibrated. The vibrating film includes: a second electrode formed so that a gap is interposed between the second electrode and a first electrode; and an insulating film formed on the second electrode. The capacitance transducer manufacturing method includes: forming a sacrificial layer on the first electrode; forming a layer including a vibrating film on the sacrificial layer; forming an etching hole to remove the sacrificial layer; and forming a sealing film for sealing the etching hole. Before forming the etching hole to remove the sacrificial layer, a through hole is formed in an insulating film on the second electrode, and a conductor film is formed on the insulating film having the through hole to electrically connect a conductor in the through hole and the second electrode.

Abstract: A method is provided for detecting a perturbation with respect to an initial state, of a device including at least one resonant mechanical element exhibiting a physical parameter sensitive to a perturbation such that the said perturbation modifies the resonance frequency of the said resonant mechanical element. A device is provided for detecting a perturbation by hysteretic cycle having at least one electromechanical resonator with nonlinear behavior and means for actuation and detection of the reception signal via a transducer so as to analyze the response signal implementing the method. A mass sensor and a mass spectrometer using the device are also provided.

Abstract: An integrated optical device includes a photo-detector (such as germanium) optically coupled to an optical waveguide. This photo-detector is deposited on the optical waveguide, and an optical signal propagating in the optical waveguide may be evanescently coupled to the photo-detector. In order to increase the absorption length of the photo-detector, a mirror (such as a distributed Bragg reflection grating) is included in the optical waveguide near the end of the photo-detector. This mirror reflects the optical signal back toward the photo-detector, thereby increasing the absorption of the optical signal by the photo-detector. In addition, absorption may be reduced by using electrical contacts that are electrically coupled to the photo-detector at locations where the optical mode of the optical signal is largely in the underlying optical waveguide, and by using a fingered metal layer to couple to the electrical contacts.

Abstract: A passive infrared motion detection sensor that includes a Fresnel focusing arrangement that creates at least a first infrared sensing region, a second infrared sensing region, and a third infrared sensing region, in which target detection in one or more infrared sensing regions is weighted to be distinguishable from target detection in remaining infrared sensing regions. The Fresnel focusing arrangement creates the weighted infrared sensing regions using a lenslet region, an optically opaque region and a plurality of extruded cylindrical lenslets that extend across a portion of both the lenslet region and the optically opaque region. The signal detection in at least the second weighted infrared sensing region, for example, an infrared sensing range between 6 and 10 feet, is weighted to easily distinguish between a pet within the second infrared sensing range and a person at any infrared sensing range.

Abstract: A radiation imaging apparatus includes a radiation detection panel, a housing configured to accommodate the radiation detection panel, and a buffer member. The housing has an opening in a corner. The buffer member includes a first portion fixed inside the housing and a second portion protruding from the opening of the housing to an outside of the housing. An elastic modulus of the second portion of the buffer member is lower than an elastic modulus of a portion of the housing which forms the opening.

Abstract: A calibration method for an absolute responsivity of a terahertz quantum well detector and a calibration device thereof, in which the device at least comprises: a driving power supply, a single frequency laser source, an optic, a terahertz array detector, a terahertz dynamometer, a current amplifier and an oscilloscope. The calibration method adopts a power detectable single frequency laser source as a calibration photosource, to obtain the absolute responsivity parameters of the detector at the laser frequency; a normalized photocurrent spectrum of the detector is used to further calculate the absolute responsivity parameters of the detector at any detectable frequency. the single frequency laser source with periodically output is adopted as a calibration photosource, the terahertz array detector and the dynamometer are adopted to directly measure and obtain the incident power of the calibrated detector.

Abstract: The present invention relates to a lamella grating interferometer capable of being employed in a Fourier transform infrared (FTIR) spectrometer, the interferometer including a reflective surface in a circular shape and provided with a fixed portion including fixed mirrors and a movable portion including movable mirrors that are arranged with the fixed mirrors in a crossing manner to form a lamella structure with the fixed mirrors, a plurality of driving units disposed at outside the reflective surface and configured to apply driving forces for moving the movable portion, and a plurality of driving arms connecting the driving units to the movable portion of the reflective surface, respectively, and configured to move the movable portion in response to the driving forces applied by the driving units, wherein each of the plurality of driving arms is formed in a structure of repeating a preset bent shape plural times.

Abstract: A spectrum measuring device including a ribbon element, a light detection element, and circuitry. The ribbon element includes a first light reflector including a plurality of first light reflection surfaces configured to be translated in an out-of-plane direction, and a second light reflector including a plurality of second light reflection surfaces that are fixed. The circuitry supplies a drive signal to the ribbon element in such a manner that a change of a displacement amount difference between the first light reflection surfaces and the second light reflection surfaces corresponds to a predetermined frequency; and acquires the light quantity data detected by the light detection element at a predetermined sampling frequency.

Abstract: A system for automated condition assessment of a turbine component is provided. The system includes a partially enclosed photobox and a controller. The partially enclosed photobox includes a configurable rotational table adapted to carry the turbine component, at least one wall perpendicular to and abutting a horizontal platform upon which the rotational table is carried. The photobox also includes a plurality of cameras configured to be automatically positioned at locations surrounding the turbine component and capture images of the turbine component. The controller communicates with each of the cameras to respectively control the positioning of each camera in order to capture a desired view of the turbine component. At least one of the cameras is an infrared camera configured to perform flash thermography capturing a thermographic image of a portion of the turbine component. The thermographic image is used to assess the condition of the turbine component.

Abstract: In embodiments of display viewing detection, a presence module, implemented on an electronic device, enables a first sensor to detect an object responsive to detecting audio via one or more microphones of the electronic device. The first sensor generates data that is used by the presence module to determine that the object is within a viewing range of the electronic device and that movement of the object is below a predetermined threshold. The presence module then enables at least a second sensor to confirm the object is viewing a display of the electronic device. When the object is detected by the second sensor, the presence module enables the display for viewing by the object.

Abstract: An infrared sensor, which achieves a low manufacturing cost, or has high sensitivity, or in which an increase in heat capacity is reduced, is provided. The infrared sensor includes a first infrared absorbing portion, an infrared sensing portion for sensing infrared rays based on infrared rays absorbed by the first infrared absorbing portion, and a plurality of protrusions including metal and disposed apart from each other on a surface of the first infrared absorbing portion. Since an absorption rate of infrared rays is improved, sensitivity can be improved, or an increase in heat capacity can be reduced.

Abstract: Method and apparatus for detecting defects in a composite is provided. After a ply of material for a workpiece is positioned, thermal energy is applied to a top surface of the ply of material, and a digital thermographic camera captures images of the top surface. A computer processor determines heat characteristics of the top surface to identify regions of the top surface with different heat characteristics. Such different areas are identified as regions that include a defect. The defect regions can be repaired prior to disposing additional plies of material over previously-applied plies.

Abstract: A method of using a thermocouple is provided. The method includes, but is not limited to, disposing at least one temperature sensor at each of two or more respective portions of an electrical connector adapted to receive thermocouple signals, measuring temperatures at the two or more portions, and calculating the temperatures at each terminal of the electrical connector based on measured temperature values of the two or more respective portions having the disposed temperature sensors. The method also includes, but is not limited to, calculating a cold junction temperature of a terminal for at least one thermocouple channel carrying the thermocouple signals based on measured or calculated temperature values of the terminals, or a combination thereof.

Abstract: A system and method for a higher speed auto-correcting temperature measurement in a system using a fiber optic distributed sensor.

Abstract: A method for manufacturing a strain gauge device and a strain gauge device are presented. The method includes obtaining a first substrate, preferably a first formable substrate film for accommodating electronic components, printing by a printed electronics method, such as by screen printing or inkjet printing, a strain gauge on the first substrate, and molding, preferably by utilizing injection molding, a molded material layer embedding the strain gauge. The strain gauge device may comprise two, preferably formable, substrate films between which the strain gauge and the molded material layer may be arranged.

Abstract: The present disclosure provides an electromechanical actuator comprising an actuator drive unit housing, a relief formed in the actuator drive unit housing, a column defined by the relief positioned adjacent to a second relief, and a load cell comprising the column and a strain gauge coupled to the column.

Abstract: A pressure sensing system includes a circuit board, a case, a cover layer, a plurality of light emitters, and a photo detector. The circuit board has a top surface and a bottom surface. The case is located near the bottom surface of the circuit board. The distance between circuit board and the case decreases when the circuit board is subjected to a pressure. The cover layer covers a part of the top surface and a part of the bottom surface, wherein a part of the top surface which is not covered by the cover layer includes a plurality of first passing zone and a second passing zone, and a part of the bottom surface which is not covered by the cover layer includes a plurality of bottom passing zone. The light emitters are located on the first passing zone, respectively, and the photo detector is located on the second passing zone.

Abstract: A temperature interference-free sensing fiber monitoring apparatus and application method therefor including a vacuum cavity module, a composite material flat groove module and a port fiber-fixing module, wherein the vacuum cavity module is connected with the composite material flat groove module via an glue-injection square groove, and the port fiber-fixing module is connected with the vacuum cavity module via a foursquare plug body; a sensing fiber orderly passes through the composite material flat groove module, the vacuum cavity module and the port fiber-fixing module; the vacuum cavity module, the composite material flat groove module and the port fiber-fixing module are all fixed on a temperature interference-free base platform.

Abstract: A brake force sensor arrangement for a brake unit includes a brake unit including a brake force application member; and a strain gage positioned on the brake force application member. The strain gage may be configured to measure the stress, strain, or stress and strain of the brake force application member. The stress, strain, or stress and strain of the brake force application member may be proportional to the brake force applied by the brake unit.

Abstract: A pressure transducer comprising a flexible member made of amorphous quartz and a crystalline quartz sensor are coupled together without an adhesive material. Instead, the amorphous quartz and the crystalline quartz sensor are coupled together at the molecular level. In some embodiments, the crystalline quartz sensor remains in compression or tension during the entire operating range of the pressure transducer. In one embodiment, the crystalline quartz sensor is pre-stressed in either compression or tension when the pressure transducer is exposed to atmospheric pressure. In one embodiment, pressure transducer is located in pressure stabilizing system.

Abstract: A pressure sensor device with a MEMS piezoresistive pressure sensing element attached to an in-circuit ceramic board comprises a monolithic ceramic circuit board formed by firing multiple layers of ceramic together. The bottom side of the circuit board has a cavity, which extends through layers of material from the ceramic circuit board is formed. A ceramic diaphragm, which is one of the layers, has a peripheral edge. The diaphragm's thickness enables the diaphragm bounded by the edge to deflect responsive to applied pressure. A MEMS piezoresistive pressure sensing element attached to the top side of the ceramic circuit board generates an output signal responsive to deflection of the ceramic diaphragm. A conduit carrying a pressurized fluid (liquid or gas) can be attached directly to the ceramic circuit board using a seal on the bottom of the ceramic circuit board, which surrounds the opening of the cavity through the bottom.

Abstract: A rubber patch, which is useable for mounting an active electronic component to a tire, is described. The rubber patch includes a base having a connecting face and support face. The connecting face is substantially planar and is intended to be fixed to an internal surface of the tire. The support face is opposite the connecting face and is arranged to support the active electronic component. The rubber patch further includes a passive label arranged between the connecting face and the support face. The passive label is for identifying the tire and is provided with a memory for storing a unique identification data item pertaining to the tire. A corresponding tire monitoring system, which is configured to read at least the identification data item pertaining to the tire, also is described.

Abstract: Certain implementations of the disclosed technology include systems and methods for providing header assemblies for use with pressure sensors in high-temperature environments. Certain example implementations include a header assembly. The header assembly can include a header portion having a first side and a second side, the header portion including one or more bores extending through the header portion from the first side to the second side. In certain example implementations, one or more platinum header pins are disposed within and extending through the one or more bores of the header portion. In certain example implementations, the header assembly can include one or more brazing portions corresponding to the one or more platinum header pins. In certain example implementations, the platinum header pins are configured for electrical communication with corresponding electrodes of a leadless transducer element.

Abstract: In an oil-pressure-sensor attachment structure according to an aspect of the invention, an oil channel body includes a lower body and an upper body arranged at an upper side of the lower body in a superposed manner. The attachment structure includes the upper body, a sensor case, and a connection member including an electrical connection portion that electrically connects an external power supply with a sensor main body. The connection member contacts the upper body from the upper side. The upper body has a through hole in an up-down direction. The sensor case includes a columnar portion that extends in the up-down direction and is inserted into the through hole, a flange portion that protrudes outward in the radial direction from the columnar portion and is arranged to face the lower side of the upper body, and a first hook portion that is hooked to the connection member.

Abstract: A strain sensor is provided which includes a strain sensor, a first housing, a second housing joined to the first housing, and a pressure measuring mechanism firmly retained between the first housing and the second housing. The pressure measuring mechanism is gripped between a first face of the first housing and a second face of the second housing to measure compressive stress exerted by a cylinder head of an internal combustion engine on the first housing and the second housing. This structure improves the reliability of mechanical strength of the housings and the pressure measuring mechanism and provides flexibility in selecting the type of the pressure measuring mechanism.

Abstract: A first time difference calculation unit calculates a time difference ?t1 between the timing of detection of vibration that indicates the first vibration mode of a pipe P and the timing of detection of vibration that indicates a second vibration mode of the pipe P by processing a result of a measurement . A second time difference calculation unit calculates a time difference ?t2 between the timing of detection of vibration that indicates the first vibration mode of the pipe P and the timing of detection of vibration that indicates the second vibration mode of the pipe P by processing a result of another measurement. A leakage position calculation unit uses the time differences ?t1, ?t2, and a space interval I between the first vibration detection unit and the first time difference calculation unit to calculate a leakage position in the pipe P.

Abstract: A method for detecting gas leakage from a radioactive material sealed container includes measuring a temperature at a top portion of a metallic sealed container, a temperature at a bottom portion of a lid portion of a concrete-made storage container facing the top portion of the metallic sealed container, or a temperature of a member existing between the bottom portion of the lid portion and the top portion of the metallic sealed container. An inner temperature of the lid portion of the concrete-made storage container is also measured. Presence of leakage of inactive gas is estimated by comparing the temperatures.

Abstract: Systems, devices, and methods for leak testing surgical conduit grafts or valved conduits such as aortic-valved conduits with a pressurized gas such as air. Air is non-destructive and especially useful for leak testing conduits that have coatings or sealants that may be functionally impacted when exposed to fluids such as water or saline. Open ends of the conduit are clamped and sealed, and a pressurized gas introduced into an inner lumen thereof. A change in mass flow rate is measured to quantify the leakage. One end of a tubular conduit may be clamped to a fixed manifold, and the opposite end to a manifold slidably mounted to accommodate any conduit elongation when pressurized. The clamping and sealing structure may be pneumatic and/or mechanical, and complementary contoured clamp members may be used to seal a scalloped external sealing ring of an aortic conduit.

Abstract: An evacuable flexible test chamber (10) for a leakage test of a test piece, having a wall (12) surrounding a test chamber volume (36), is characterized in that at least a portion of said wall is made up of two layers (18, 20) of wall material of which at least the layer (20) facing said test chamber volume (36) is made from a flexible material, and that between said two layers (18, 20) an overpressure as compared to the atmosphere surrounding said test chamber (10) is adapted to be created.

Abstract: The present disclosure relates to a water detection device that includes a water-activated battery configured to switch from a dormant condition to an active condition upon contact with water, such that the water-activated battery supplies an electrical voltage upon contact with the water, an electronic circuit configured to receive the electrical voltage from the water-activated battery, where the electronic circuit is configured to communicate with an external, electronic device via one or more wireless communication techniques when the electronic circuit is powered by the electrical voltage, and where communication between the electronic circuit and the external, electronic device is an uninterrupted communication when the electronic circuit is receiving the electrical voltage from the water-activated battery, and a housing configured to receive the water-activated battery and the electronic circuit, where the housing has passageways configured to facilitate movement of the water into the housing and towar

Abstract: A rolling bearing apparatus includes a bearing main body having an outer ring that is a fixed ring and an inner ring that is a rotating ring, the outer ring and the inner ring being concentrically provided, and a plurality of rolling elements provided between the outer ring and the inner ring, and a control unit having a vibration detector attached to the outer ring and a calculation unit that calculates a value for vibration of the bearing main body and a rotation speed thereof based on a detection signal from the vibration detector. The calculation unit calculates the rotation speed based on frequency components of vibration obtained from the detection signal and the number of vibrations inherent in the bearing main body.

Abstract: A filtration monitoring system is an electronic system control module installed on an internal combustion engine or within a vehicle powered by the internal combustion engine. The filtration monitoring system monitors the health and status of the filtration systems present on the engine. The filtration monitoring system tracks filter loading patterns and predicts remaining service life of the filters by running smart algorithms based on sensor feedback (e.g., pressure sensor feedback, fluid quality characteristic sensor feedback, etc.). In some arrangements, the described filtration monitoring systems provide feedback as to whether a genuine (i.e., authorized, OEM approved, etc.) or unauthorized filter cartridge is installed in a given filtration system. The filtration monitoring system may be retrofit into an existing internal combustion engine or vehicle that does not already have a filtration monitoring system.

Abstract: A thermostat malfunction detection device that detects a stuck open state of a thermostat includes: an estimated water temperature calculation module that calculates an estimated water temperature of a cooling water based on an operation state of an engine; an actual water temperature detection unit that detects an actual water temperature of the cooling water; a first determination module that establishes preliminary determination when an amount of change of a difference between the estimated water temperature and the actual water temperature within a determined period is equal to or larger than a first threshold value; a passing air amount control module that increases a passing air amount, when the preliminary determination is established; and a second determination module that establishes malfunction determination, when the difference is equal to or larger than a second threshold value, after the passing air amount has been increased.

Abstract: A temperature sensor integrated type semiconductor pressure sensor apparatus includes a temperature detection device, a lead wire covered with a lead wire protection material, and a terminal, which are integrated together by a thermoplastic resin. This can prevent the lead wire from being deformed in the assembly process, thereby simplifying the assembly process. Furthermore, the temperature detection device is exposed from the opening at the tip of the protrusion, which can secure enough temperature response. Furthermore, the temperature detection device, the lead wire and the lead wire protection material are covered with the thermoplastic resin, so they are protected from combustion gas component, oil contaminant and corrosion product included in intake air.

Abstract: A system and method for mounting a section onto a substrate, the system comprising: a fluid channel including: a fluid channel inlet that receives the section, processed from a bulk embedded sample by a sample sectioning module positioned proximal the fluid channel inlet, a section-mounting region downstream of the fluid channel inlet, and a fluid channel outlet downstream of the section-mounting region; a reservoir in fluid communication with the fluid channel outlet; and a manifold, fluidly coupled to the reservoir, that delivers fluid from the reservoir to the fluid channel inlet, thereby recirculating fluid flow between the fluid channel inlet and the fluid channel outlet to carry sections between the sample sectioning module and the section mounting region.

Abstract: Methods, apparatuses, and systems for air sampling and emissions monitoring based on wind direction, including determining concentrations of air toxics, are contemplated. Some embodiments comprise detecting wind flowing in a first direction and a second direction, exposing a sample collection device to air in response to detecting the first direction and preventing exposure of the sample collection device to air in response to the second direction. Some apparatuses comprise a direction detector, an enclosure, and a sample preventer. Some embodiments comprise a purger configured to purge the sample collection device when preventing exposure of the sample collection device to air. In some embodiments, the sample collection device comprises a diffusive sorbent tube. In some embodiments, the diffusive sorbent tube is configured to collect samples of benzene. Some embodiments comprise a wind vane and sensor configured to provide indication of wind direction. Some embodiments comprise a data collector.

Abstract: The present invention discloses a Traceable emission remote monitoring system and method. The system comprises a remote sensing unit, a transformation data processor, and a local control unit. The local control unit receives local resource information to generate control commands and transmits the same to the remote sensing unit; the remote sensing unit remotely senses emissions that an object emits based on the control commands, and transmits individual emission data to the transformation data processor for processing and analysis to obtain a first analytic result; the local control unit provides various derivative services to generate a second analytic result. In some embodiments, the system further comprises a cloud platform for generating a comprehensive analysis report. The present invention further discloses a traceable emission remote sensing method.