Abstract: The invention relates to a device and a method for taking liquid or gaseous samples from containers and/or tubes that are filled with a medium, in particular from fermenters, by means of negative pressure, wherein an element which acts as a non-return valve is arranged within a sample probe as an inlet for the sample that is to be taken, and a supply line which is able to convey gas and a discharge line which is able to discharge sample are arranged on a common side of the element.

Abstract: Aspects of the invention are directed to a sample vial comprising a container configured to receive a sample, the container having a top portion and a cap configured to mate with the top portion of the container, the cap having a magnetic component. In some embodiments the sample vial is configured for storage of a biological sample in an ultralow temperature environment. In other embodiments, a sample vial is provided comprising a cylindrical body, having a first and second end, the first and second ends having a narrow aperture extending through the cylindrical body, wherein the cylindrical body has a long length relative to a diameter of the narrow aperture and a magnetic component. Further aspects are directed to retrieval of sample vials using the magnetic component, and fabrication of magnetic components for use with various sample vials. A magnetic retrieval rod can be used to couple the magnetic component.

Abstract: A headspace sample introduction device which collects a sample gas from a sample container and introduces the gas into a predetermined analyzer is provided. The device includes a sample tray 10 capable of holding at least one sample container 100 storing a liquid sample or a solid sample, a heating means 30 for heating at least one sample container 100 taken from the sample tray 10, a sample-gas collecting means 40 for collecting a sample gas from the upper space in the sample container 100 held in the heating means 30, and a cooling transfer means 20 for keeping and cooling at least one sample container 100 taken from the heating means 30 and returning the cooled sample container 100 to the sample tray 20. Since the headspace sample introduction device can return the heated sample containers 100 to the sample tray 10 after they are cooled with the cooling transfer means 20, the hot sample containers can be assuredly prevented from contacting the user.

Abstract: A method of analyzing a composition and a method of processing the composition are provided. The composition contains impurities and has a boiling point less than ambient temperature and/or a vapor pressure greater than water at 14.5 ° C. The method of analyzing the composition comprises a step of providing the composition in a liquid state within a vessel. The composition is chilled in the liquid state within the vessel at a temperature below the boiling point of the composition, thereby maintaining the composition in the liquid state. The chilled composition in the vessel is converted to produce at least one of a vaporized composition and a nebulized composition, which converted composition is introduced into an analytical device. A measurement of content of the impurities of the composition is obtained from the analytical device.

Abstract: An apparatus for use in a sample monitoring system is provided and includes a first enclosure configured to enclose a probe body into which the sample is drawn, a sensor coupled to the probe body and configured to sense a chemical composition of the sample and at least one first heater configured to heat an interior of the first enclosure, a second enclosure configured to enclose a pump coupled to the probe body and configured to draw the sample therein and a second heater configured to heat the pump, and a third enclosure configured to enclose a pump motor configured to control an operation of the pump and to support heating controlling units configured to control the at least one first heater and the second heater.

Abstract: In certain aspects, the present disclosure provides a monitoring device that includes a condensation unit and a detector, such as a proportional detector. The condensation unit includes a condensation surface, a cooler abutting the condensation surface, and a collection vessel in fluid communication with the condensation surface. The monitoring device may include a decomposition reactor, such as an electrolytic reactor or a reactor that includes an active metal, such as an alloy of sodium and potassium. Particular implementations include a housing that at least partially encloses the condensation unit. The housing may include an aperture, which may be covered by a screen, mesh, or filter. The housing may also include a fan. The fan is used, in some examples, to draw air through the aperture. The monitoring device is, in some implementations, configured for remote operation, such as including a power supply or transmitter.

Abstract: A fluid transferring apparatus includes a frame, a sample inlet chamber, a filling channel, a plurality of filling passageways, a plurality of test wells, and a plurality of venting passageways. The sample inlet chamber is disposed within the frame. The filling channel is disposed on the frame and connected to the sample inlet chamber, wherein the filling channel has a top part above the outlet of the sample inlet chamber. The filling passageways are disposed on the frame and connected to the filling channel. The test wells are disposed within the frame and connected to the filling passageways respectively, wherein the test wells are below the top part of the filling channel. The venting passageways are connected to the test wells respectively.

Abstract: A transportable Sample Apparatus includes a vacuum flask (Dewar flask) and integral sample container. The Sample Apparatus may be used to capture a liquid phase LNG sample at a custody transfer point and to transport the sample to a laboratory for analysis. Vaporization of the liquid phase sample may take place at a variety of different locations. For example, vaporization may begin and/or be completed during transport from the collection point to the laboratory. In another example, vaporization may begin and be completed in the laboratory. In yet another example vaporization may begin during transport and be completed at the laboratory. The gas phase sample is typically analyzed by a gas chromatograph for Btu content, among other things. Prior to capture of the sample, the Sample Apparatus goes through a pre-cool cycle to chill a sample end cap and other components to a temperature compatible with capture of a cryogenic liquid sample which is about ?250° F.

Abstract: An air sampler device has a top plate and a bottom plate, and receives a Petri dish between the top plate and the bottom plate. The top plate includes 283 substantially small holes. The bottom plate has a deepened center well formed in the top surface. Elongated slots are formed in the top surface which extend out from the well. The slots have distal ends which extend beyond the Petri dish. Air is drawn into the sampler by a vacuum tube through an air port which communicates with the center well. Air is pulled into the 283 holes in the top plate and strikes the capture material in the Petri dish. The air then travels up over the sides of the dish, into the distal ends, through the slots, and into the center well, where it exits out of the vacuum air port.

Abstract: A method for operating a cryostorage device (100), especially for biological samples, is described which comprises a sample carrier (10) to receive at least one sample (11) and a data storage (20), wherein data are inductively transmitted from the data storage device (20) into a wireless transmission channel (40) and/or conversely using a resonant circuit (30) connected to the data storage device (20).

Abstract: Disclosed is a sampling method which comprises the steps of: blowing airflow towards a center portion of a sampling surface through a blowing port; and sucking the blown airflow from periphery of the sampling surface through a sucking port, or a sampling method which comprises the steps of: providing a sampling device on a sampling surface, the sampling device being shaped to form a sampling space together with the sampling surface, and the sampling device including a blowing port arranged at the center portion of the sampling device and a sucking port arranged at periphery of the sampling device; blowing airflow towards the sampling surface through the blowing port; and sucking the airflow blown towards the sampling surface through the sucking port so as to collect samples.

Abstract: A low power preconcentrator for use in micro gas analysis, such as gas chromatography, and a system that employs the preconcentrator is disclosed. The preconcentrator includes a reservoir that comprises a heater membrane and elements coated at least partially with an adsorbent, and ports for receiving and discharging an analyte in communication with the reservoir. At least a portion of the reservoir (e.g., a cap) is made of a material having a thermal conductivity less than about 100 W/(m·K) and/or the heater membrane is made of a material that has a temperature difference less than about 75° C. when heated. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims.

Abstract: An apparatus for processing a liquid sample in a sample tube. The apparatus includes a base, a receptacle for receiving a sample tube, and a heating portion coupled to the base to selectively apply heat to the receptacle. A shaking portion is coupled to the base and supports the receptacle. The shaking portion selectively agitates the receptacle with respect to the base. A magnetizing portion is coupled to the base and movable to selectively change a magnetic field with respect to the receptacle.

Abstract: A portable multi-tube air sampler device for capturing samples of trace elements in a suspected contaminated environment which includes a plurality of sample tubes for collecting sample trace elements, parallel inlet and outlet manifolds which minimize the length of the sample inlet path while utilizing short straight sample tubes, a hinged retainer bar mechanism which allows for easy removal and replacement of the various sample tubes, and a removably attachable controller unit which can be installed on the exterior portion of the carrying case for controlling the operation of the sampling protocol. Other embodiments include heated inlet manifold and sample intake paths to prevent contamination accumulation and carryover, a clean cycle option with a filter valved into the inlet flow path to enhance the purging cycle, and a mechanism for converting the present device to a desorbing auto sampler configuration. The present system likewise incorporates a purging cycle prior to each sampling cycle.

Abstract: A sampler for an elemental analyzer comprises a sample housing suitable to accommodate one or more samples, sealed in tin or silver capsules, to be analyzed, a closure mechanism suitable to reversibly seal the sample housing, a sample passage having a connection opening for the passage by gravity of the one or more samples from the sampler into the analyzer through the connection opening. The sampler further comprises a heater for heating the sample housing and a vacuum system or other means for pumping out environmental gases and vapors from the sample housing.

Abstract: A device for the dilution of a gas to be analyzed with a dilution gas has a sample gas tube (1) and a feed (3) for the dilution gas, which open into a common line (6) for the diluted gas to be analyzed. In order that even with large pulsatile pressures in the gas to be analyzed at the sample point no return flow of dilution air into the line of the gas to be analyzed and no uncontrolled temperature change of this gas can occur, the feed (3) for the dilution gas in the form similar to a Venturi jet (7) merges into the common line (6), the sample gas tube (1) is embodied so as to be thermally insulated with respect to the ambient air and dilution air and opens into the Venturi jet (7) just before the location with the smallest cross section.

Abstract: The present invention is to present a dispenser which is capable of heating a liquid to an approximately constant temperature in the same time regardless of an aspiration amount of the liquid.

Abstract: A method is provided for sampling hot gas. The method includes inserting a probe into a flow of hot gas, and collecting a sample of the hot gas with the probe. The sample of the hot gas is quenched prior to an analysis of the sample.

Abstract: A method for reducing corrosion product transport in a power producing facility. The method includes the steps of selecting a chemical dispersant adapted to reduce the deposition of corrosion products in the recirculation path, and using at least one chemical injector to inject the chemical dispersant into a fluid contained in the recirculation path during recirculation path cleanup to increase corrosion product removal.

Abstract: A system for controlling the temperature of fluidic samples includes a device having a first outer surface and a second outer surface which are parallel to one another. The interior of the device contains two or more channels suitable for accommodating samples. The channels lay on a common plane that is also parallel to the first and second outer surfaces. A temperature sensor is positioned between the channels along the common plane. A heater is thermally coupled to one of the two outer surfaces while a heat sink is coupled to the other of the two outer surfaces, thereby establishing a temperature gradient between the first and second outer surfaces. A temperature controller receives sensed temperature input from the temperature sensor and adjusts the heater in response thereto.

Abstract: Provided herein are systems and methods for storage, retrieval and sampling of materials.

Abstract: A method, apparatus and system for obtaining a sample of a fluid solids, such as a coke and hydrocarbon mixture, from a fluid solids process is provided. A sample vessel is provided that contains a first end, a second end, an aperture in the first end and an interior cavity. A cooling device can be provided for cooling material in the interior cavity of the sampling vessel. In operation, fluid solids can be routed through the aperture and collected in the interior cavity. The collected sample material can then be cooled by the cooling device and used for testing.

Abstract: The present invention provides microfluidic sample processing systems and devices comprising a plurality chambers and channels in fluidic communication with a sample loading port, and methods of making and employing such systems and devices. Preferably, the systems and devices of the present invention are configured such that temperature changes in the chambers allows liquid sample in the sample loading port to be drawn into the channels.

Abstract: A test sample heating apparatus and method includes a heating jacket that applies heat to a sample vessel containing a test sample. The heating jacket has a vessel-receiving recess that is sized and shaped to allow the sample vessel to be placed within the recess with limited annular spacing between at least part of the sample vessel exterior surface and at least part of the heating jacket recess interior surface. Proximate surfaces of at least one of the heating jacket and the sample vessel may be coated with a dark coating to enhance heat transfer.

Abstract: A device for the automatic extraction of chemical samples is provided. One or more chemical samples are extracted under automatic control for the controlled mixing, heating, cooling, shaking and dispensing thereof. The device includes a housing defining an open interior region. A rotating carousel is disposed within the housing, and a plurality of sample holders are mounted thereon. A plurality of sample storage tanks each contain a unique chemical sample, and a desired volume of at least one chemical sample is drawn from a respective one of the sample storage tanks to a respective at least one of the plurality of sample holders. The carousel is rotated so that the desired volume of the at least one chemical sample may be dispensed into a receptacle positioned adjacent the carousel. The at least one chemical sample may then be mixed, heated, cooled, shaken and/or vibrated within the receptacle prior to dispensing.

Abstract: Arrangements for withdrawing carefully controlled samples from an active flue gas source are disclosed. A testing assembly is provided for connection to downstream processing equipment to obtain a sample from a gas stream. Included is a probe, a flexible sample line and a coupler joining the probe and the flexible sample line. At least one externally controlled or self-regulating heating cable is put in heating communication with the flexible line. A receptacle engaging the coupler is also provided for positioning the probe with respect to the flue gas source.

Abstract: The invention relates to methods for positioning at least one preferably biological specimen in the specimen space of a microscope arrangement, and to devices for carrying out these methods. Methods and devices are proposed, wherein the specimen's orientation relative to a detection objective's optical axis can be repeatedly changed and, in doing so, the specimen is held so that a substantially unobstructed view of the specimen is ensured from every detection direction. In different constructional variants, the specimen is held at a supporting device by adhesive forces or by a flowing medium, the specimen is held at a capillary opening by capillary action, or at least one specimen is embedded in a body of transparent gel, and the gel body is fixed in the specimen space by means of a rotatable holding device, and the detection direction is changed by rotating the holding device by a given angle of rotation.

Abstract: An analyte collection system device includes an active area that includes a plurality of perforations extending therethrough. The plurality of perforations are arranged to permit passage of an analyte fluid flow through the microscale plate. A heating element is provided for heating the active area, and a thermal distribution layer is disposed over at least a portion of the active area. For cooling the active area at or below an ambient temperature, an active cooler is provided.

Abstract: The invention relates to different designs of a microelectronic sensor device comprising an array of heating elements (HE) and an array of sensor elements (SE) that are aligned with respect to each other adjacent to a sample chamber (SC). By applying appropriate currents to the heating elements (HE), the sample chamber can be heated according to a desired temperature profile.

Abstract: A screening device and a method are described herein which can automatically handle and measure (interrogate) a plurality of sensor carriers (i.e., multiwell plates, microplates) with multi-dimensionally arranged, temperature-compensated or temperature-compensatable optical sensors, while maintaining a substantially constant temperature gradient for a relatively long period of time around the optical sensors where temperature compensation has been performed on the sensor carriers.

Abstract: A sample handling device (100) for handling a sample, the sample handling device (100) comprising a drive shaft (101) being drivable by a drive unit (102), a base plate (103) mounted to follow a motion of the drive shaft (101) when being driven by the drive unit (102), wherein the base plate (103) is configured to receive a sample carrier block (104) mountable to follow a motion of the base plate (103), and a compensation weight (105, 106) mounted asymmetrically on the drive shaft (101) in a manner to at least partially compensate an unbalanced mass of the sample handling device (100) during the motion.

Abstract: A method of processing a sample may include introducing a sample into a vessel, the vessel having proximal and distal ends, the sample being introduced into the proximal end of the vessel; incubating the sample in the vessel with a substance capable of specific binding to a preselected component of the sample; propelling components of the incubated sample, other than the preselected component, toward the proximal end of the vessel by clamping the vessel distal to the incubated sample and compressing the vessel where the incubated sample is contained; propelling the preselected component toward a distal segment of the vessel by clamping the vessel proximal to the preselected component and compressing the vessel where the preselected component is contained; and mixing the preselected component with a reagent in the distal segment of the vessel.

Abstract: Arrangements for withdrawing carefully controlled samples from an active flue gas source are disclosed. A testing assembly is provided for connection to downstream processing equipment to obtain a sample from a gas stream. Included is a probe, a flexible sample line and a coupler joining the probe and the flexible sample line. At least one externally controlled or self-regulating heating cable is put in heating communication with the flexible line. A receptacle engaging the coupler is also provided for positioning the probe with respect to the flue gas source.

Abstract: In the method, for collecting and diluting a gaseous sample disposed at a temperature substantially higher than the normal temperature from a sample space (2), a flow of sample is collected into a sampling tube (3); the flow of sample is introduced from the sampling tube into a sample channel (8) formed by a gas permeable first jacket (7); dilution gas is introduced into a dilution gas space (10) formed by a second jacket (9) enclosing the first jacket and connected by its end to the sampling tube, and further from it, through the first jacket into the sample channel; and heat is conducted from the sample space (2) into the dilution gas space (10) for warming up the dilution gas that comes into contact with the sampling tube (3). According to the invention, in the method, a substantially laminar protection flow, which encloses the flow of sample being released from the sampling tube (3) into the sample channel (8) and is disposed longitudinally to the sample channel, is formed from the warmed up dilution gas.

Abstract: A portable chemical analytical apparatus to analyze a test swipe includes a heater to warm the test swipe to a predetermined temperature; a clamp to secure the test swipe to the heater; one or more pumps to dispense one or more chemicals onto the test swipe from a disposable cartridge; a fan to remove chemical vapors rising a predetermined distance from the test swipe; and a camera to capture an image of the test swipe for automated analysis.

Abstract: A sweat collector for application to a body part of a subject in order to collect sweat therefrom for purposes of analysis, includes a receptacle having an open side for application to the skin of the subject's body part from which the sweat is to be collected; and a port for the introduction of a fluid into the receptacle and into contact with the skin of the subject's body part for enhancing the removal and/or production of sweat thereat. The sweat collector further includes a syringe having an open end insertable into the port for introducing the fluid into the receptacle, and for removing the introduced fluid and the sweat collected therein for analysis. Several embodiments are described, illustrating various ways of attaching the sweat collector to various body parts. Also described is a method of collecting and analyzing sweat from a body part in order to provide information useful in determining the medical condition of a subject.

Abstract: A gas sensor system including a gas sensor; a current control unit; a constant control unit; and a temperature acquisition unit. The gas sensor includes a measurement chamber, a pump cell and an electromotive force cell. The current control unit performs feedback control on current flowing through the pump cell in response to the voltage of the electromotive force cell and in accordance with a control constant which characterizes the feedback control. Further, the constant control unit changes the control constant of the feedback control in accordance with a value (for example, a resistance value of the electromotive force cell) corresponding to the temperature of the gas sensor.

Abstract: The invention relates to a device for the carrying out of chemical or biological reactions with a reaction vessel receiving element for receiving a microtiter plate with several reaction vessels, wherein the reaction vessel receiving element has several recesses arranged in a regular pattern to receive the respective reaction vessels, a heating device for heating the reaction vessel receiving element, and a cooling device for cooling the reaction vessel receiving element. The invention is characterised by the fact that the reaction vessel receiving element is divided into several segments. The individual segments are thermally decoupled from one another, and each segment is assigned a heating device which may be actuated independently of the others. By means of the segmentation of the reaction vessel receiving element, it is possible for zones to be set and held at different temperatures.

Abstract: A method of performing chemical analysis is disclosed. The method includes the steps of forming carbide-derived carbon (CDC) material having a plurality of pore size, surface chemistry, and surface electrical properties. An array of the surface functionalized CDCs are used for atmospheric sampling, in which chemicals in the atmosphere are adsorbed on the CDCs. The adsorbed samples are desorbed later for analysis by a plurality of individual mass spectrometers.

Abstract: A separation analyzer for transferring solutions, while changing mixing ratios of the solutions, wherein a flow passage from a first pump, a flow passage from a second pump, and a passage for sample introduction section, the flow passages being connected, which further comprises a flow switching means for temporarily storing the solutions, whereby the flow switching means alternatively makes a first state for pushing out the solutions in a second sampling loop to the sample introduction section by the second pump, while transferring the solutions to the first sampling loop; and a second state for pushing out the solutions in the first sampling loop by the second pump, while transferring the solutions from the first pump to the second sampling loop.

Abstract: A system and method for extracting headspace vapor is generally disclosed comprising pressurizing a vessel containing headspace vapor with a carrier gas and subsequently venting the sample mixture through an adsorbent trap and out a vent. A flow controller is employed to gradually increase the flow therethrough as the pressure drops as a result of the gradual depletion of headspace vapor in the vessel and, in certain embodiments, the flow controller maintains a constant flow rate. Due to the time saved, in some embodiments, multiple pressurization-venting cycles are implemented to maximize the amount of vapor extracted from the vial. Due to the constant flow rate, in certain embodiments, the pressure decay is monitored and compared to reference values in order to determine whether the sample vessel has a leak or other defect.

Abstract: A testing apparatus which is suitable for applying a stress load to a test specimen is provided. The testing apparatus may be used to simulate lithostatic stress on a test specimen, which may be, for example, a portion of a geologic formation. The testing apparatus may also be used in a method of evaluating the expected production of fluids obtainable from in situ pyrolysis of oil shale.

Abstract: Various embodiments of the present disclosure provide a sampling device, system, and method. The sampling device includes a sample inlet nozzle fluidly coupled to a dilution body. A carrier fluid delivery conduit is also fluidly coupled to the dilution body. In one implementation, the carrier fluid delivery conduit is coupled to a source of heated carrier fluid. Carrier fluid is delivered around a perforated portion of the sample inlet nozzle, in one configuration. In some cases, the sampling device includes a mixing device configured to produce laminar flow of carrier fluid about a fluid sample. In other cases, the mixing device produces turbulent flow of carrier fluid and fluid sample. Systems including the sampling device include, in some implementations, a sample separator, such as an inertial droplet separator. In further implementations, systems including the sampling device further include an atmospheric dispersion simulator.

Abstract: A sampling cylinder for LNG (liquefied natural gas) is provided. The sampling cylinder includes a piston cylinder arrangement having opposite end members closing the chamber inside the cylinder. Various porting arrangements are provided for allowing fluid to be fed into a chamber inside the cylinder on opposite sides of a piston. A sample chamber is provided at one end member of the cylinder. The end member containing the sample chamber is also provided with a heat exchanger that may be connected to a source of coolant and preferably the LNG to be sampled to effect cooling of the end member at least partially prior to the sample chamber having a sample of LNG injected thereinto.

Abstract: Volatile suspended particles are eliminated from an aerosol by heating the aerosol to a temperature at which the volatile suspended particles evaporate and diluting the aerosol with a dilution gas. The sequence heating and diluting may be performed in any order. According to another aspect of the invention, dilution of the raw gas takes place such that raw gas is led to a measurement gas channel through which measurement gas flows, wherein the quantity of raw gas transferred per unit of time is dependent on the volume flow in the raw gas channel. According to a further aspect of the invention, in a condensation nucleus counter the number and intensity of scattered light pulses evaluated in order to be able to draw conclusions on the reliability of the measurement.

Abstract: A vapor detection system adapted to detect vapor from an object at a remote distance therefrom, said vapor detection system comprising a heat source adapted to heat an upper surface of the object so as to increase evaporation and vapor concentrations of substances from the object.

Abstract: Systems, methods and multi-well plates comprising an array of wells for thermal treatment of chemical or biological samples are disclosed. Each of the wells comprises a bottom opening, an upper opening, inner side walls extending from the bottom opening to the upper opening, a protrusion extending from the inner side walls into the well with a first cross-sectional area and located at a height from the bottom opening which is smaller than the height from the upper opening. A sample chamber with a second cross-sectional area is formed between the bottom opening and the protrusion. An upper chamber with a third cross-sectional area is formed between the protrusion and the upper opening, and in which the first cross-sectional area is smaller than the third cross-sectional area and smaller than or equal to the second cross-sectional area.

Abstract: Material withdrawal apparatus and methods and systems of regulating material inventory in one or more units are provided. A material withdrawal apparatus includes a heat exchanger and a sensor. The heat exchanger includes a material inlet, material outlet, cooling fluid inlet, and cooling fluid outlet. The material inlet is coupled to the unit and the sensor is coupled to the heat exchanger to provide a metric indicative of the temperature at the material inlet; material outlet; cooling fluid inlet and cooling fluid outlet. Another embodiment of a material withdrawal apparatus includes a vessel having an outer wall, liner, fill port, and a discharge port. The liner at least partially covers the inner surface of the outer wall. The fill port and discharge port are defined in the vessel and the fill port is configured to receive withdrawn material from at least a unit. Other embodiments provide methods of withdrawing or regulating material in a unit.

Abstract: A sample frame (30; 81) for preparing a plurality of sample vessels (41, 42), in particular sample tubes, having a plurality of retainers, in each of which a sample vessel (41, 42) is situated, is characterized in that the sample vessels (41, 42) each have a cap (43, 44), which is put over the open end of the sample vessel (41, 42), the cap (41, 42) having a drilled hole (53, 54), through which the interior of the sample vessel (41, 42) is accessible, the sample frame (30; 81) has a removable cover plate (8), whose bottom side faces toward the caps (43, 44) of the sample vessels (41, 42) in the put-on state of the cover plate (8), and the cover plate (8) has an approximately funnel-shaped depression (11, 71) on the top side for each retainer, in whose center a through opening (57) through the cover plate (8) is provided, the through opening (57) aligning with the drilled hole (53, 54) of a cap (43, 44) of a sample vessel (41, 42) retained underneath when the cover plate (8) is put on.

Abstract: An apparatus automatically removes soil samples at intervals over a field of interest. The apparatus comprises a sampling assembly that rotates on a track. The probe of the sampler assembly is extended through the track and into the ground, then retracted on each revolution of the track. The sampler assembly is hinged and guided along a track in order to minimize soil compaction as the probe rotates around the rear wheel of the apparatus. Soil is ejected by means of a “rumble path” along the top of the track. The soil samples are pneumatically transferred to a bagging assembly located in the tractor pulling the apparatus.