Abstract: A level sensing controller includes a signal generator circuit to generate an excitation signal. The controller also includes a connection to route an inverse of the excitation signal to a first polar electrode of a first capacitor. The first polar electrode is coupled to a container to hold liquid. The controller also includes a connection to route the excitation signal to a second polar electrode of a second capacitor. The second positive polar electrode is coupled to the container. The controller also includes a connection to a sense electrode to form the first capacitor with the first polar electrode and to form the second capacitor with the second polar electrode. The controller also includes a measurement circuit configured to measure charge at sensing electrode and determine, based on the measured charge, whether a liquid in the container has reached a level of the second polar electrode.

Abstract: The invention relates to devices for detecting the fill level of media in containers. The devices are distinguished, in particular, by a simple and reliable detection of the fill level. For this purpose, multiple measuring points, each consisting of a series circuit of a resistor and a p-n junction, are spaced apart from one another. Each measuring point is connected, on the one hand, to an input of a multiplexer. On the other hand, the measuring points are connected to a reference potential. The output of the multiplexer is connected to a control device, wherein the control device is a control device periodically supplying a voltage to the measuring point connected to the control device via the multiplexer and measuring the voltage drop, a control device determining the medium from the temperature-dependent forward voltages resulting from the different thermal properties of the medium and a control device ascertaining the fill level from the consecutive measuring points.

Abstract: The present invention relates to a method of configuring an electromagnetic flowmeter and an electromagnetic flowmeter thereof. The method comprises: obtaining a first correlation factor between flow rate of fluid and potential for a calibrated condition of the electromagnetic flowmeter using a model; obtaining a second correlation factor between flow rate of fluid and potential for conditions of a site in which the electromagnetic flowmeter is installed using the model; comparing the first correlation factor and the second correlation factor to determine a difference in value and adopting the value of the second correlation factor for configuring the electromagnetic flowmeter if the difference in value exceeds a pre-set threshold.

Abstract: A method to monitor rotor blade vibration using unsteady casing pressure. The method applies a non-intrusive blade vibration monitoring technique by using an array of unsteady pressure sensors which may be flush-mounted in the casing of a compressor. The method comprises using spinning mode theory and temporal-spatial analysis to obtain frequency and nodal diameter information of spinning pressure waves associated with the rotor blade vibration. An example of the compressor can be a multistage axial compressor.

Abstract: Systems and methods for monitoring an environmental parameter. A system includes a sensing cable configured to produce a triboelectric signal along at least one conductor of the cable and an electrostatic voltmeter coupled to the sensing cable and configured to provide an output signal responsive to the triboelectric signal. A conversion module is configured to convert the output signal to one or more parameter values indicative of the environmental parameter, and an interface provides a usable representation of the parameter value. The environmental parameter monitored may exemplarily be temperature monitored by the sensing cable as a thermally expandable/contractible semi-rigid coaxial cable, or the monitored environmental parameter may exemplary be vibration, movement, or force monitored by the sensing cable as a deformable coaxial cable.

Abstract: A photodetector device and an optical encoder device that can suppress level variation of a detection signal are provided. A photodetector device of one embodiment includes: a light receiving unit including a plurality of photoelectric conversion elements; a selector circuit that selects a first photoelectric conversion element group and a second photoelectric conversion element group, in the light receiving unit; a differential amplifier that outputs a detection signal in accordance with a difference between a first output signal of the first photoelectric conversion element group and a second output signal of the second photoelectric conversion element group; and a correction unit that corrects the detection signal based on the first output signal and the second output signal.

Abstract: A lens plate (10) for a rain and/or light sensor is proposed. The lens plate (10) has a base body (18), at least one light limitation structure (21), and at least one lens structure (28), the light limitation structure (21) extending into the base body (18) from a lower side (14) of the lens plate (10), a contour (27) of the light limitation structure (21) facing away from the lower side (14) of the lens plate (10) limiting the lens structure (28) circumferentially, and the contour (27) being substantially triangular. Furthermore, a rain and/or light sensor (8) is proposed.

Abstract: An optical detector device includes a housing with a projecting neck that is closed off towards the outside by a light-transmissive pane, under which at least one optical waveguide that tapers in the direction of an optical sensor is disposed. An optical waveguide arrangement has a plurality of optical waveguides which are retained in the neck by a holding mechanism.

Abstract: An ambient light detector, a detector array and a method are disclosed. An ambient light sensor includes a first plurality of sensor elements, where each sensor element is configured to provide a signal in response to a level of illumination and a second plurality of reference elements, each reference element configured to provide a reference signal and each including a blocking element configured to shield the respective reference element from being illuminated, where the first plurality is larger than the second plurality and the first plurality of sensor elements and the second plurality of reference elements are arranged in an array, and where a sensor element and a reference element are laterally arranged on or in a common layer substrate sharing at least one common first contact.

Abstract: There is provided an optical system comprising a light conduit. The light conduit comprises a first light pipe, a second light pipe, and a first bridge to mechanically couple the first light pipe to the second light pipe. The first light pipe has a first inlet to receive a first input light signal and a first outlet to emit at least a portion of the first input light signal to form a first output light signal. Moreover, the second light pipe has a second inlet to receive a second input light signal and a second outlet to emit at least a portion of the second input light signal to form a second output light signal. Furthermore, the first bridge has a first end mechanically coupled to the first light pipe and a second end mechanically coupled to the second light pipe.

Abstract: A self-calibration time-to-digital converter (TDC) integrated circuit for single-photon avalanche diode (SPAD) based depth sensing is disclosed. The circuit includes a SPAD matrix with a plurality of SPAD pixels arranged in m rows and n columns, the SPAD pixels in each column of SPAD pixels are connected by a column bus; a global DLL unit with n buffers and n clock signals; and an image signal processing unit for receiving image signals from the column TDC array. The circuit can also include a row control unit configured to enable one SPAD pixel in each row for a transmitting signal; a circular n-way multiplexer for circularly multiplexing n clock signals in the global DLL unit; a column TDC array with n TDCs, each TDC further comprises a counter and a latch, the latch of each TDC is connected to the circular n-way multiplexer for circular multiplexing.

Abstract: A device for cancelling undesired fractions in a detected signal may include a first region having an output node and including a light sensitive sensor configured to detect a first signal and an analogue to digital converter coupled to the output node. A second region may be switchably coupled to the first region based on a first control signal to the first region. The second region may include a storage device configured to store a signal based on the detection of the first signal. The second region may include an output node coupled to the sensor. The second may be configured to provide a compensation signal based on the stored signal to the light sensitive sensor during detection of a second signal.

Abstract: A method of limiting cross-talk in an imaging sensor, the sensor being in the form of a matrix of macropixels defining an image, each macropixel being formed by a matrix of individual pixels, each of which is dedicated to a distinct spectral band, all of the individual pixels dedicated to the same spectral band forming a sub-image, the image being topologically subdivided into at least one parcel, and the method including the following steps: measuring the spectral response of each individual pixel ?1, ?2, ?3, . . . , ?9; calculating the mean spectral response of each sub-image in a parcel; targeting to define the ideal response of each sub-image in the parcel; estimating a series of coefficients for minimizing cross-talk in the parcel; and applying the coefficients to the macropixels in order to correct the sub-images in the parcel. The method is remarkable in that the ideal response is a Gaussian function.

Abstract: Acoustically mediated spintronic THz emitters based on a stacked, multilayered heterostructure that includes a light-to-acoustic transducer layer, a thermal insulation layer, and a magnetic layer are provided. In the emitters, fast acoustic pulses give rise to long-distance propagation of THz exchange spin waves in a magnetic film. Also provided are THz time-domain spectrometers (THz-TDSs) that incorporate the THz emitters.

Abstract: To implement a configuration for enabling independent adjustment of a spatial resolution and a wavelength resolution of a spectroscopic measurement device. A spatial resolution adjustment unit configured to adjust a spatial resolution of the spectroscopic measurement device, and a wavelength resolution adjustment unit configured to adjust a wavelength resolution of the spectroscopic measurement device are included, and the spatial resolution adjustment unit maintains output light from a condensing unit to a spectroscopic imaging unit of the spectroscopic measurement device as parallel light, adjusts a parameter of a constituent element of the condensing unit, and changes the spatial resolution without changing the wavelength resolution of the spectroscopic measurement device.

Abstract: According to exemplary practice of the present invention, a probe laser beam characterized by a Stokes luminescence wavelength is trained upon a thermally insulated medium; the Stokes luminescence is measured upon conclusion of the probe laser impingement of the medium. Following this first Stokes luminescence measurement, a pump laser beam characterized by an anti-Stokes luminescence wavelength is trained upon the medium; the Stokes luminescence is measured upon conclusion of the pump laser impingement of the medium. Each laser has a blocking device associated therewith. A computer is implemented to transmit control signals to open and close the two blocking devices in alternating fashion so that only one laser beam at a time is aimed at the medium. The computer is also implemented to process the measurement signals to determine heating versus cooling.

Abstract: An optical sensor comprises at least four detection channels, where each detection channel comprises a photodetector and a filter with a respective transmission spectrum. The transmission spectra of the at least four filters are different from one another, and the transmission spectra are set such that each of the three CIE color matching functions is a linear combination of the transmission spectra of at least two of the filters. Furthermore, a method for detecting electromagnetic radiation is provided.

Abstract: A measurement apparatus includes: a light source configured to irradiate a measurement region of skin whose color is to be measured with light; a light receiving unit configured to receive reflected light from the measurement region or transmitted light that has passed through the measurement region; a calculation unit configured to repeatedly obtain determination information and color information relating to the color of the measurement region, based on a light-receiving result of the light receiving unit; and a selection unit configured to select a measurement result of a color of the skin from the repeatedly-obtained color information, based on a temporal change in the determination information.

Abstract: A process for determining a tooth color of a filling or another restoration is provided which in particular is produced using composite materials, wherein at least one tooth is scanned or is visually detected. The process is characterized in that natural teeth are spectrally measured in advance, that the color values measured within a color space are classified into several, in particular four, categories which each form a color cloud extending in a three-dimensional fashion within the color space, which is done with the help of a structuring algorithm, in particular a Nearest Neighbour Algorithm, or a symmetry recognition algorithm, and that the tooth color of the filling is determined by means of evaluating to which category the tooth scanned has the smallest color distance, or to which color cloud the tooth scanned belongs.

Abstract: A method includes directing a first plurality of probe laser pulses through a sample, dividing each of the first plurality of probe laser pulses to generate a first interferogram, and generating first image data reproducible as a first phase image of the sample. A plurality of pump laser bursts are directed onto the sample to heat the sample. A second plurality of probe laser pulses are directed through the sample at a predetermined time delay. Each of the second plurality of probe laser pulses are divided to generate a second interferogram. Second image data is generated that is reproducible as a second phase image of the sample. A transient phase shift is determined in the second phase image relative to the first phase image. A vibrational spectroscopy property is determined of the sample based on the transient phase shift, thereby allowing an identification of chemical bond information of within the sample.

Abstract: A temperature measurement footprint device, a mobile temperature measurement device, and a method for determining a temperature measurement footprint are described. In an implementation, a temperature measurement footprint device includes a thermopile configured to measure a temperature of an object; a camera configured to capture an image of the object, the camera disposed proximate to and in communication with the thermopile; and a light source configured to illuminate the object, the light source disposed proximate to and in communication with the thermopile and the camera.

Abstract: A wafer-level integrated thermal detector comprises a first wafer and a second wafer (W1, W2) bonded together. The first wafer (W1) includes a dielectric or semiconducting substrate (100), a dielectric sacrificial layer (102) deposited on the substrate, a support layer (104) deposited on the sacrificial layer or the substrate, a suspended active element (108) provided within an opening (106) in the support layer, a first vacuum-sealed cavity (110) and a second vacuum-sealed cavity (106) on opposite sides of the suspended active element. The first vacuum-sealed cavity (110) extends into the sacrificial layer (102) at the location of the suspended active element (108). The second vacuum-sealed cavity (106) comprises the opening of the support layer (104) closed by the bonded second wafer.

Abstract: A temperature sensor can include a resistor, a first electrical contact at a first end of the resistor, a second electrical contact at a second end of the resistor, and a resistance measuring device. The resistor can be formed of a matrix of sintered elemental transition metal particles interlocked with a matrix of fused thermoplastic polymer particles. The resistance measuring device can be connected to the first electrical contact and the second electrical contact to measure a resistance of the resistor.

Abstract: An measuring instrument for a physiological heat quantity emitted from a human body includes a heat flux sensor, and a calculator. The heat flux sensor includes a sensor main body portion and a moisture absorbing member. The sensor main body portion has multiple through holes penetrating through the sensor main body portion from a first surface to a second surface. The sensor main body portion is disposed on a human body such that the first surface is adjacent to the human body when in use, and outputs a sensor signal according to a heat flux passing through the sensor main body portion from the first surface toward the second surface. The moisture absorbing member is stacked on the second surface of the sensor main body portion. The calculator calculates the physiological heat quantity based on the sensor signal.

Abstract: A force sensing device includes a first force sensor and a second force sensor. The first force sensor is configured to output a first force resulting signal and includes a first strain gauge coupled to a first voltage source and a first trace. The first force sensor further includes a second strain gauge coupled to a second voltage source and the first trace. The second force sensor is configured to output a second force resulting signal having a polarity opposite that of the first force resulting signal. The second force sensor includes a first strain gauge coupled to the second voltage source and a second trace, and a second strain gauge coupled to the first voltage source and the second trace.

Abstract: A detection device includes a variable resistor portion formed between first and second electrodes, and an elastically deformable contact member having a contact area for making contact with the variable resistor portion. The contact area increases according to a load that is applied to the contact member in a direction toward the variable resistor portion. The variable resistor portion includes an output varying region that varies an output voltage from the second electrode according to the contact area. The output varying region is formed so that a contact distance between the variable resistor portion and an outer peripheral portion of the contact member becomes longer as the contact area becomes larger, so that the contact area varies correspondingly to the load for improved linearity of the output voltage.

Abstract: An example sensor device is provided. The sensor device includes (a) a substrate having a first end and a second end, wherein the substrate includes a contact portion, a first sensor portion positioned between the first end of the substrate and the contact portion, and a second sensor portion positioned between the second end of the substrate and the contact portion, (b) a first strain gauge sensor positioned at the first sensor portion, and (c) a second strain gauge sensor positioned at the second sensor portion, wherein the first end of the substrate and the second end of the substrate are configured to be coupled to a rigid curved surface, and wherein the sensor device is configured such that a force applied to the contact portion of the substrate will be sensed by each of the first strain gauge sensor and the second strain gauge sensor.

Abstract: A pressure sensor system having at least one pressure sensor device. The pressure sensor device has a stack having a ceramic substrate, at least one signal processing element, and at least one sensor element. The pressure sensor device is placed in a sensor housing provided with a membrane, and a residual volume of the sensor housing provided with the membrane is filled with an incompressible fluid. A method for producing such a pressure sensor system, and to a measuring device, are also described.

Abstract: A temperature correcting pressure gauge which has a diaphragm having at least one surface coupled to a source of pressure to be measured, the diaphragm first surface having a first FBG from a first optical fiber attached in an appropriately sensitive region of the diaphragm, a FBG from a second optical fiber attached to the opposite surface from the first FBG, the first and second FBGs reflecting or transmitting optical energy of decreasing or increasing wavelength, respectively, in response to an applied pressure. The first and second FBGs have nominal operating wavelength ranges that are adjacent to each other but are exclusive ranges and the FBGs also have closely matched pressure coefficients and temperature coefficients.

Abstract: A pressure sensor system including at least one pressure sensor unit configured as a system-in-package, the pressure sensor unit encompassing a supporting structure including a cavity and a sensor element situated in the cavity; the supporting structure being formed by a land grid array/mold premold structure (LGA/MPM) and signal-processing elements being integrated into and/or on the supporting structure; the pressure sensor unit being introduced into a pressure sensor housing provided with a diaphragm and being supported therein, and a residual volume of the pressure sensor housing provided with at least one diaphragm being filled with an incompressible fluid; and the pressure sensor housing including a groove extending around the pressure sensor unit, in which a sealing ring is situatable.

Abstract: An apparatus, having: a pressure differential sensor apparatus (100) configured to detect a pressure difference between two locations; a faceplate (102) having a base (104) and a protrusion (106) from the base, the protrusion comprising a light-transmissive perimeter (116) configured to transmit light forward and laterally; and a circuit board (400) having an indicator light (402) mounted thereon and configured to emit light into the light-transmissive perimeter, the indicator light further configured to emit a first color under first pressure difference conditions and a second color under second pressure difference conditions.

Abstract: A method of distributed fibre optic sensing is described. In an example, a series of interrogations are launched into an optical fibre, each interrogation comprising interrogating radiation in at least one pulse pair, wherein the pulses of a pulse pair are introduced to the optical fibre with a time interval therebetween. Radiation backscattered therefrom is sampled, so as to obtain at least one sample from each interrogation. Phase modulation in the samples is determined and components of the phase modulation which are below a threshold frequency are isolated. Such a method of sensing could be used, for example, to monitor changes in temperature of the optical fibre.

Abstract: A system for detecting leakage of a liquid supply pipe includes a pipe casing for enclosing an end portion of the liquid supply pipe adjoined to a nozzle and a sensor system configured to detect presence of a liquid leaked from the liquid supply pipe at the end portion. The sensor system is in alignment with the end portion of the liquid supply pipe.

Abstract: A method for distinguishing a test gas escaping from a leak in a test object (21) from an interfering gas in the environment of the test object (21) during sniffing leak detection, having the steps: suctioning gas from the environment of the test object (21) in the region of the outer surface of the test object by means of a sniffing tip, which has a suction opening (14), which is connected, for gas conduction, to a sensor (18), which is designed to determine the test gas partial pressure of the test gas in the suctioned gas flow; varying, with periodic repetition, the flow intensity of the suctioned gas flow; setting a total pressure of the suctioned gas at the sensor (18) of at least 80 percent of the total pressure of the gas in the atmosphere (23) surrounding the test object (21); avoiding fluctuations of the total pressure of the suctioned gas at the sensor (18) of more than 10 percent; measuring the test gas partial pressure of test gas contained in the suctioned gas flow by means of the sensor (18); in

Abstract: A method for performing a leak-tightness test on a test object (16) in a foil chamber (10) which has at least one flexible wall region (12, 14), having the steps: using a gas or gas constituent contained in the test object as test gas for the leak-tightness test, introducing the test object into the foil chamber, evacuating the foil chamber to a pressure lower than the test gas pressure within the test object and than atmospheric pressure, introducing a carrier gas into the foil chamber into the region outside the test object, and measuring the test gas concentration of the gas mixture that forms in the foil chamber in the region outside the test object.

Abstract: A monitoring system includes an axle weight measurer and a state estimator. The axle weight measurer detects a surface displacement of a road from a first captured image obtained by imaging the road when a vehicle passes at a predetermined spot of a structure having the road that the vehicle passes, and calculates an axle weight of the vehicle from the surface displacement and a displacement coefficient of the road. The state estimator generates an axle weight distribution from the axle weight calculated by the axle weight measurer, and estimates a deterioration degree of the structure, using the axle weight distribution.

Abstract: A first radio frequency scan of a plurality of electronic circuit devices fixed to a structural component of a physical structure can be initiated. Data can be received from each electronic circuit device that is scanned, the data received from each electronic circuit device indicating a first measured electrical impedance of a respective conductor connected to the electronic circuit device and an identifier assigned to the electronic circuit device. For each of the plurality of electronic circuit devices that are scanned, the received data can be stored to a first memory. The data for the electronic circuit devices forms a baseline measurement of the electronic circuit devices to which impedance data gathered from subsequent radio frequency scans of the electronic circuit devices is compared to determine whether any of the conductors of the electronic circuit devices have deformed or broken.

Abstract: A system for testing aerodynamic characteristics of a high-speed moving vehicle-bridge system and subsidiary facilities thereof under a crosswind includes a vehicle model, a starting mechanism, a buffer mechanism, a wind tunnel test section and guide rails. The guide rails pass through the wind tunnel test section; the starting mechanism and the buffer mechanism are separately located at both ends of the guide rails. The guide rails include an acceleration section and a deceleration section. The starting mechanism is located in the acceleration section, and the buffer mechanism is located in the deceleration section; the vehicle model starts to run at the starting mechanism and stops at the buffer mechanism; an instantaneous speed of the vehicle model in the acceleration section is not less than 100 km/h. The present invention carries out simulation tests on various infrastructures, their subsidiary facilities and trains through scale models.

Abstract: A lensmeter system may include a mobile device having a camera. The camera may capture a first image of a pattern through a lens that is separate from the camera, while the lens is in contact with a pattern. The mobile device may determine the size of the lens based on the first image and known features of the pattern. The camera may capture a second image of the pattern, while the lens is at an intermediate location between the camera and the pattern. The second image may be transformed to an ideal coordinate system, and processed determine a distortion of the pattern attributable to the lens. The mobile device may measure characteristics of the lens based on the distortion. Characteristics of the lens may include a spherical power, a cylinder power, and/or an astigmatism angle.

Abstract: An object of the present invention is to provide an optical pulse test apparatus that can test an optical fiber cable at once in a short period of time.

Abstract: Disclosed is a sensor, including: a sensor body having a cylindrical case and a sensor element accommodated in the case; a seal member disposed in a rear end part of the case; lead wires electrically connected to the sensor element and extending from inside to outside of the casing through the seal member; and a cylindrical heat shield tube retained to an outer surface of the case and extending rearward from the case so as to circumferentially surround the seal member and parts of the lead wires, characterized in that: the sensor further includes a cylindrical tube cap made of an elastic material and arranged to restrict a rearward movement of the heat shield tube; the tube cap has formed therein at least one lead wire insertion hole through which the lead wires are inserted; and the tube cap is reduced in diameter and held to the lead wires.

Abstract: A collision simulation test apparatus including a table to which a test piece is to be attached, the table being movable in a predetermined direction, a toothed belt for transmitting power to drive the table, a drive module capable of driving the toothed belt, and a control part capable of controlling the drive module. The control part is capable of controlling the drive module to generate an impact to be applied to the test piece, and the impact generated by the drive module is transmitted to the table by the toothed belt.

Abstract: Biological specimen recovery materials include cellulose acetate nanofibers that are capable of dissolution upon contact with a liquid comprising a dissolution effective amount (e.g., between about 1 to about 10M) guanidinium isothiocyanate (GITC). Kits containing the materials (e.g., in the form of a swab, filtration media or surface wipe) and a dissolution liquid containing the dissolution effective amount of guanidinium isothiocyanate (GITC) are also provided.

Abstract: A sampling device for plants having a lower section with a plurality of sample containers, an upper section with a plurality of cultivation containers, a cutter and a cutting tip, wherein a base opening is formed in each cultivation container and corresponds to a sample container opening of one of the sample containers, and wherein the cutter and cutting tip are arranged, when the sampling device is in a usage position, between the upper section and the lower section such that a part of a plant protruding out through the base opening of the cultivation container and in through the sample container opening into the sample container can be severed by the cutter and cutting tip.

Abstract: The disclosure describes a sample confinement tool that includes a first end and a second end. The first end of the sample confinement tool is coupled to a driving tool. The driving tool is coupled to a heavy-duty vehicle. The sample confinement tool is operable to insert a predetermined depth below a ballast surface and collect a ballast sample within the second end of the sample confinement tool. The sample confinement tool is also operable to confine the ballast sample within the second end of the sample confinement tool by mechanically compressing the ballast sample. The sample confinement tool is further operable to release the ballast sample into a sample receptacle by mechanically decompressing the ballast sample.

Abstract: An object of the present invention is to provide a dispensing device that can inhibit a dead volume from occurring and can dispense a liquid of a small quantity with a high degree of accuracy while reducing the variation of dispensing quantities. A dispensing device according to the present invention has a detachable dispensing tip and the dispensing tip has a configuration of arranging a plunger in a hollow part of a metal pipe (refer to FIG. 2).

Abstract: A thin-sample-piece fabricating device is provided with a focused-ion-beam irradiation optical system, a stage, a stage driving mechanism, and a computer. The focused-ion-beam irradiation optical system performs irradiation with a focused ion beam (FIB). The stage holds a sample piece (Q). The stage driving mechanism drives the stage. The computer sets a thin-piece forming region serving as a treatment region, as well as a peripheral section surrounding the entire periphery of the thin-piece forming region, on the sample piece (Q). The computer causes irradiation with the focused ion beam (FIB) from a direction crossing the irradiated face of the sample piece (Q) so as to perform etching treatment such that the thickness of the thin-piece forming region becomes less than the thickness of the peripheral section.

Abstract: A sample analysis appliance for the analysis of a sample solution, in particular of contaminated water or of waste water, with a reaction vessel for the thermal digestion of a portioned sample of the sample solution to be analyzed. The reaction vessel has an injection port for the introduction of the sample into the reaction vessel, at least one sample solution storage vessel for the device-internal storage of sample solution, and an injection syringe device which is movable between the sample solution storage vessel and the reaction vessel and which can be controlled to collect the sample from the sample solution storage vessel and introduce the sample into the injection port of the reaction vessel.

Abstract: The invention relates to a probe for sampling a drilling fluid comprising a handle extending along an axis, and a sampling head located at a first end of the handle, the head defining an inner space opening outward through an opening. The head comprises a filtration device comprising a filtering wall disposed through the opening; and an extraction duct extending into the handle and opening into the inner space of the head. The filtration device comprises a cleaning blade designed to sweep an outer face of the filtering wall, the blade being mounted to move in translation in a direction parallel to the axis.

Abstract: The present invention discloses a method for experimentally determining the influence of acid liquor on the Young modulus of compact carbonate rock.