Abstract: A method for testing whether a sealing method is effective may include the steps of testing a flow characteristic of the substrate, sealing the substrate, re testing the flow characteristic of the substrate, then comparing the before and after flow characteristics of the substrate to determine whether the sealing step was effective or to quantify a sealing effectiveness to the sealing step.

Abstract: A method of detecting at least a blockage status in a porous member separating a measurement chamber of a device including a gas sensor positioned within the measurement chamber which is responsive to an analyte in an ambient environment to be sampled, includes emitting pressure waves from a pressure wave source which travel within the measurement chamber, measuring a first response via a first sensor responsive to pressure waves positioned at a first position within the measurement chamber, measuring a second response via a second sensor at a second position, different from the first position, and in fluid connection with the pressure wave source, determining the blockage status of the porous member based upon a functional relation of the first response and the second response.

Abstract: Methods and apparatus for monitoring fluid-dynamic drag on an object, such as a bicycle, ground vehicle, watercraft, aircraft, or portion of a wind turbine are provided. An array of sensors obtain sensor readings for example indicating: power input for propelling the object; air speed and direction relative to motion of the object; and ground speed of the object. Sensor readings may also indicate: temperature; elevation and humidity for providing a measurement of air density. Sensor readings may also indicate inclination angle and forward acceleration. Processing circuitry determines a coefficient of drag area based on the sensor readings and optionally one or more stored parameters, according to a predetermined relationship. A pitot tube based apparatus for measuring fluid speed and direction is also provided. Methods for dynamic in situ calibration of the pitot tube apparatus, and of adjusting correction factors applied to correct measurement errors of this apparatus are also provided.

Abstract: A breath analyte device includes a breath volume in fluid communication with a sampling volume. The device also includes a sampling sensor configured to generate a breath signal that varies in response to changes in gas pressure (e.g., sound waves) in the breath volume and an analyte sensor configured to generate an analyte signal that varies in response to a concentration of a target analyte present in the sampling volume. A control unit is configured to determine a time at which to measure the concentration of the target analyte in the sampling volume based on the breath signal and measure the concentration of the target analyte in the sampling volume based on the analyte signal at the determined time. The device may also include a pump configured to motivate gas from the breath volume into the sampling volume prior to measuring the concentration of the target analyte.

Abstract: An apparatus adapted to examine a paper web includes a rotatable first bobbin, a rotatable second bobbin, and a first testing device. The first bobbin has a paper we wound thereabout that has transverse bands spaced apart along a length thereof. The second bobbin is arranged to receive the paper web from the first bobbin with a paper web path defined between the first and second bobbins. The first testing device is disposed along the paper web path and is arranged to nondestructively measure a diffusivity of one of the transverse bands of the paper web.

Abstract: This application relates to an aircraft static port testing device in which a static leech may fixed to the static port of an aircraft. The static leech may be held in place by a suction cup surrounding the static port and the static port may be connected to an aircraft air data testing unit through a static port fitting. Vacuum may be created in the suction cup through a vacuum syringe or a vacuum pump.

Abstract: A self-timing, passive, chemical dosimeter. The dosimeter includes a sampling media and electronics supported by a cassette. The sampling media is configured to absorb volatile organic compounds, semivolatile organic compounds, or both, while the electronics are configured to record a time of exposure. The dosimeter further includes an actuator having a closed position and an open position. In the closed position, the actuator resists exposure of the sampling media to volatile organic compounds, semivolatile organic compounds, or both, and in the open position, the actuator permits exposure of the sampling media to volatile organic compounds, semivolatile organic compounds, or both. The actuator is configured to operate the electronics for recording time of exposure.

Abstract: A breath analyte device includes a breath volume in fluid communication with a sampling volume. The device also includes a sampling sensor configured to generate a breath signal that varies in response to changes in gas pressure (e.g., sound waves) in the breath volume and one or more analyte sensors configured to generate one or more analyte signals that vary in response to a concentration of one or more target analytes present in the sampling volume. A control unit is configured to determine a time at which to measure the concentration of target analytes in the sampling volume based on the breath signal and measure the concentration of the target analytes based on the analyte signals at the determined time. The device may also include a pump configured to motivate gas from the breath volume into the sampling volume prior to measuring the concentration of the target analytes.

Abstract: A sample management device which comprises a source flow path in which a fluidic sample can flow, a volume flow adjustment unit configured for adjusting a volume flow of the fluidic sample to be branched off from the source flow path at a fluidic coupling point, and a fluidic valve fluidically coupled with the source flow path and with the volume flow adjustment unit, wherein the fluidic valve is switchable into a branch off state in which the fluidic coupling point is established within the source flow path to branch off an adjustable volume of the fluidic sample from the source flow path via the fluidic coupling point while a flow of the fluidic sample in the source flow path continues.

Abstract: In an embodiment, a semiconductor device includes a substrate body, an environmental sensor, a cap body and a volume of gas, wherein the environmental sensor and the volume of gas are arranged between the substrate body and the cap body in a vertical direction which is perpendicular to a main plane of extension of the substrate body, wherein at least one channel between the substrate body and the cap body connects the volume of gas with an environment of the semiconductor device such that the channel is permeable for gases, and wherein a thickness of the substrate body amounts to at least 80% of a thickness of the cap body and at most 120% of the thickness of the cap body.

Abstract: A flow-through measuring station includes at least one flow cell having a fluid channel. The fluid channel has a fluid inlet and a fluid outlet and is configured to conduct a liquid medium. One or more flow cells each include at least one sensor configured to be contacted with the medium and to determine at least one respective media property. At least one illumination unit is configured to indicate a respective state of at least one sensor. The measuring station also includes a transmitter/measuring transducer which is configured to operate the at least one sensor and the at least one illumination unit, and to determine in each case a state of at least one sensor.

Abstract: An automatic fabric folding device has a rotating mechanism, an automatic folding mechanism and a crease generating mechanism. The automatic folding mechanism is located below the finger cylinder on one side of the rotating mechanism, and the finger cylinder on the other side of the automatic folding mechanism is fixed with a crease generating mechanism. The two rotating cylinders are central symmetrical with the rotating arm. This accurately controls the bending and folding of the fabric sample through the automatic control technology, and realizes the automatic detection of the fabric crease recovery process. By mechanical and numerical control technology, the parts to be measured are effectively prevented from interference by human factors, and the detection accuracy is improved.

Abstract: The invention is an impedance sensor with: a probe which can be influenced in a capacity by a medium surrounding the probe, a measuring oscillation circuit in which the probe is arranged as a capacity-determining element, an electronics unit with a signal generator for excitation of the measuring oscillation circuit and a signal detector for determining a response signal of the measurement oscillation circuit and a signal processing unit connected with the electronics unit, wherein the signal generator is designed as a digital controllable circuit.

Abstract: A centrifugation approach used to accelerate current empirical methods used to investigate silicone drainage in syringes is disclosed. A siliconized syringe is placed into a holder of a centrifuge in a predefined orientation. Centrifugation of the syringe is activated at a predetermined G rate and for a period of intended simulation time and is ended as that time elapses. The time can be a function of intended simulation time, acceleration due to gravity, square of centrifuge revolution rate, and distance from center of rotor hub to matching point on the syringe barrel. One or more injection functionality parameters of the syringe is assessed after the elapsed period of time. A bucket fixture for retaining one or more syringes in the predefined orientation is also disclosed.

Abstract: A sample management device which comprises a source flow path in which a fluidic sample can flow, a volume flow adjustment unit configured for adjusting a volume flow of the fluidic sample to be branched off from the source flow path at a fluidic coupling point, and a fluidic valve fluidically coupled with the source flow path and with the volume flow adjustment unit, wherein the fluidic valve is switchable into a branch off state in which the fluidic coupling point is established within the source flow path to branch off an adjustable volume of the fluidic sample from the source flow path via the fluidic coupling point while a flow of the fluidic sample in the source flow path continues.

Abstract: Disclosed is a fraction collector for dispensing liquids into plural receptacles (P1,P2) arranged in a two dimensional array. The fraction collector comprises a table (22) for supporting said receptacles, and an arm supported above the table, in turn supporting a liquid dispenser (35), the fraction collector arm is rotatable about an arm axis (C) and the liquid dispenser is movable along the arm on a carriage 34 (FIG. 2). Thereby, the dispenser is low cost and is repositionable simply above the receptacles as a result of said rotation and as a result of said movement along the arm, without occupying too much laboratory bench space.

Abstract: A process fluid temperature estimation system includes a mounting assembly, a sensor capsule, measurement circuitry, and a controller. The mounting assembly is configured to mount the process fluid temperature estimation system to an external surface of a process fluid conduit. The sensor capsule has an end that is configured to contact the external surface of the process fluid conduit to form an interface having a contact region and an air gap. The sensor capsule also has at least one temperature sensitive element disposed therein. The measurement circuitry is coupled to the sensor capsule and configured to detect an electrical characteristic of the at least one temperature sensitive element that varies with temperature and provide at least process fluid conduit skin temperature information. The controller is coupled to the measurement circuitry and is configured to obtain the process fluid conduit skin temperature information from the measurement circuitry and to obtain reference temperature information.

Abstract: The invention relates to a sample device that allows for simultaneous analysis of multiple liquid samples (e.g., drinking water samples). More specifically, the sample device is adapted for use with a mobile water analyzer, the sample device including an upwardly open receptacle divided into a plurality of separate upwardly open compartments separated by dividing walls. Each of the compartments is configured to contain a separate water sample, and the sample device is adapted to receive the inlet opening of a removable test element of a mobile water analyzer.

Abstract: To appropriately determine whether or not a motion of a user is good in an electronic device that detects the motion of the user by a sensor installed on a lower back portion. An analysis system S includes a sensor unit 1 and a processing device 2. The sensor unit 1 is installed on a lower back portion of a user. The processing device 2 includes a swing evaluating section 254. The swing evaluating section 254 extracts a first peak waveform and a second peak waveform in an output result of an angular speed measured by a sensor installed on the lower back portion of the user. The swing evaluating section 254 evaluates the motion of the user on the basis of an extraction result.

Abstract: A chemical indicator device comprising a housing that comprises a viewing port, a means to provide illumination, and test tube wells so configured such that the observer views the test tubes from the side.