Abstract: The disclosure provides a touch sensor unit. A conductive component is arranged between a pair of electrodes which are arranged inside an insulating tube, and the conductive component includes: a body section, which extends in a longitudinal direction of the insulating tube; and a convex section, which is arranged on an outer circumference of the body section, extends along the longitudinal direction of the body section, and sinks into the pair of electrodes. Short circuit or non-short circuit and so on of the electrodes can be detected by detecting the resistance value of the conductive component. Merely by inserting the conductive component into one end in the longitudinal direction of the electrodes, the pair of electrodes are electrically connected, and only the convex section sinks into the pair of electrodes, therefore the insertion load of the conductive component can be reduced, and the terminal treatment can be simplified.

Abstract: A sensor element for recording at least one property of a fluid medium. The sensor element includes at least one housing that forms at least one wall of at least one flow channel that can be traversed by the flow of the fluid medium. In the wall, at least one pressure tap branches off from the flow channel. At least one pressure sensor for recording a pressure of the fluid medium is configured in the pressure tap. Provided in the wall is at least one outflow contour that at least partially surrounds an orifice of the pressure tap and is adapted for diverting impurities flowing along the wall away from the orifice of the pressure tap.

Abstract: An industrial process assembly for carrying a process fluid conveyed through process piping includes a wafer having a sealing surface of a first type and a fitting having a sealing surface of a second type, different from the first type. The wafer includes a bore for carrying the process fluid and the fitting is attached to process piping. An adapter has a first sealing surface for mating with the sealing surface of the wafer and a second sealing surface for mating with the sealing surface of the fitting. The adapter is positioned between the wafer and the fitting. The adapter further includes an inner bore having a same diameter as the bore of the wafer in some embodiments. An additional adapter is provided on a second side of the wafer in some embodiments.

Abstract: Disclosed is an apparatus for in-situ filtering and monitoring of a lubricating fluid which includes, among other elements, a housing, a filter assembly and a lubrication monitoring module. The housing is adapted for being secured directly to a source of lubricating fluid and defines an internal filter chamber. The filter assembly is positioned at least partially within the internal filter chamber of the housing and the lubrication monitoring module is in fluid communication with the internal filter chamber of the housing. The filter assembly and the lubrication monitoring module are arranged so as to create first and second flow paths for lubricating fluid within the housing. The first flow path directs a portion of the lubricating fluid from the source, through the filter assembly where it is conditioned and returned to the source. The second flow path directs a second portion of the lubricating fluid from the source to the lubrication monitoring module and subsequently it is returned to the source.

Abstract: In an electronic component with a component housing and an integrated circuit with sensor function which is accommodated in a plastic electronic housing, wherein the component housing has a cutaway in the region of the circuit with sensor function so that the integrated circuit can perform its function as a sensor through the cutaways, the component housing lies flush with the edge of the cutaway on the electronic housing and is joined in sealing manner with an adhesive bond to the electronic housing. The component housing has an approximately vertical section on the edge of the cutaways, which section extends along the side of the electronic housing. A horizontal section is also present and projects horizontally over the electronic housing.

Abstract: Provided are a pressure sensor device and method for making the same. A base member and a pressure sensor chip are joined so that a pressure receiving portion is aligned with a through hole. A pressure introduction unit and the base member are positioned and joined so that through holes thereof are continuous. The pressure introduction unit has a stepped portion in an end portion on an opened end side, and has a protruding portion protruding from the stepped portion to the base member side in an end portion.

Abstract: A flow of air induces vibration of a tip of an airflow sensor. A cantilever coupled to the tip vibrates as the tip is displaced, and a piezoelectric element associated with the cantilever generates an electrical signal in response to mechanical stress or strain induced by vibration of the cantilever. A control element that is in communication with the piezoelectric element of the cantilever receives the electrical signal and derives at least one parameter indicative of the flow of air sensed by the sensor. The control element communicates or otherwise transmits an output signal that is indicative of the parameter to an output device to display sensor data to a user as desired.

Abstract: An electrical process control sensor assembly 10 for sensing a process or machine parameter, the assembly 10 including a sensor body 12 and a head 14, the body 12 defining a body interior 20. The assembly includes a sensing device 22 at least partially located in the body interior 20. The head 14 defines a head interior 24 which communicates with the body interior 20. The assembly 10 includes a connector arrangement 26 located in the head interior 24. The assembly 10 includes internal communicating members 28 extending between the sensing device 22 and the connector arrangement 26, the connector arrangement 26 connecting, in an installed condition, the internal communicating members 28 to external communicating members 30 to permit electrical communication therebetween. The head 14 defines a port 34 through which the external connecting members 30 are located in the installed condition.

Abstract: A pressure port assembly and related components and methods are disclosed. In some instances, the pressure port assembly may comprise a pressure port body, including pressure port bodies composed of a continuous material. Pressure port bodies within the scope of this disclosure may be coupled to pressure sensing elements, including pressure transducers. Apertures or other flow paths may be provided across a pressure port body. Methods of integrally forming a pressure port body comprising a continuous material are also disclosed.

Abstract: An attachment structure for a pressure detector that is such that the pressure detector is attached in an airtight manner within an insertion hole of an attachment tool main body attached to a mechanical device or pipelines, with a pipe, a gasket presser, a gasket, a split ring, and a bonnet. The configuration is such that the gasket presser and the split ring are inserted into the insertion hole of the attachment tool main body, the bonnet is inserted into the insertion hole, the bonnet is fastened to the attachment tool main body side, the gasket presser and the gasket are pressed by the split ring, and sealing portions are formed between the bottom surface of the insertion hole and one end surface of the gasket and between the tip end surface of the gasket restraint and the other end surface of the gasket.

Abstract: A sensor unit including a measuring cell with a section-wise heat-conducting surface, a housing in which the measuring cell for the most part is contained, and an access channel to the measuring cell. The sensor unit includes a cavity that is confined for the most part by an outer surface of the measuring cell and by a wall of the housing facing towards the surface of the measuring cell. The cavity is closed in itself.

Abstract: Embodiments relate to sensor and sensing devices, systems and methods. In an embodiment, a micro-electromechanical system (MEMS) device comprises at least one sensor element; a framing element disposed around the at least one sensor element; at least one port defined by the framing element, the at least one port configured to expose at least a portion of the at least one sensor element to an ambient environment; and a thin layer disposed in the at least one port.

Abstract: A semiconductor device includes: a semiconductor element; a case; a terminal made of a conductive material and embedded in the case, a part of the terminal being exposed to the outside, having an outermost surface that includes a first film, and having a base portion; a bonding wire that is connected to the first film and electrically connects the semiconductor element and the terminal; and a protection member that is more flexible than the case and covers a contact portion of the terminal contacting with the bonding wire. The first film is removed from an area around the contact portion with the bonding wire in the part of the terminal being exposed to the outside, causing the base portion to be exposed. An exposed portion of the base portion and the protection member adhere to each other.

Abstract: A sensor element comprises a sensor section comprising a sensor unit configured to measure a physiological variable or any other signal in a living body and to generate a sensor signal in response to the variable or other signal, and a bond section comprising contact members configured to electrically connect at least one signal transmitting microcable. The bond section is coated with an electrically insulating material and the sensor unit is left uncoated. The sensor element may further comprise an intermediate section between the sensor section and the bond section. The intermediate section includes electric connection lines configured to connect the contact members to the sensor unit. The intermediate section is also coated with the electrically insulating material.

Abstract: A pressure sensor includes a sensor chip that detects a pressure and generates an electric signal; a package that has an opening and an internal space in which the sensor chip is accommodated; and flying leads that protrude from the package into the internal space. The sensor chip is connected to the flying leads. Then, the sensor chip is disposed away from an inner wall of the package.

Abstract: A method of operating a testing system is provided, wherein the testing system has a test machine and a probe module, which has a first probe set and a second probe set. One of the first probe set and the second probe set can be connected to the test machine. The method includes the following steps: connect the test machine and the first probe set; calibrate the testing system; abut the first probe set against a DUT to do electrical tests; disconnect the first probe set and the DUT; disconnect the test machine and the first probe set; connect the test machine and the second probe set; calibrate the testing system again; abut the second probe set against the DUT to do electrical tests.

Abstract: Methods for fabricating a hermetic seal to seal a portion of an apparatus, for example and without limitation, a portion having a MEMS sensor. One such method uses crimping devices to compress a seal in a cavity formed in a housing that includes a MEMS sensor attached to a stress isolator. Under such compression, the seal deforms to hermetically seal surfaces around the inside, outside and bottom of the stress isolator.

Abstract: A polymeric remote seal system is provided for coupling a single-use container to a pressure measurement instrument. The polymeric remote seal system includes a process-side coupling, an instrument-side coupling and a fluidic coupling therebetween. The process-side coupling is configured to couple to the single-use container and is formed of a radiation sterilizable polymer. The process-side coupling has a process-side deflectable diaphragm that is configured to deflect in response to pressure within the single-use container. The instrument-side coupling is configured to couple to the pressure measurement instrument and is formed of a radiation sterilizable polymer. The instrument-side coupling is configured to fluidically convey fluid pressure to an isolation diaphragm of the pressure measurement instrument. Tubing fluidically couples the process-side coupling to the instrument-side coupling.

Abstract: A valve insertion device for traversing a wire guide through a valve within an intraluminal passage. A wire guide is positioned near the outflow of a valve within an intraluminal passage. Alongside the wire guide, a pressure sensor is positioned to detect the pressure of the fluid in the intraluminal passage. As the valve opens, the fluid pressure at the outflow of the valve increases. This information is sent from the pressure sensor to a control system. From this information, the control system can determine when the valve will open and can actuate an advancement system to move the wire guide to traverse the open valve. After traversing the valve, various catheters and sheaths may be advanced over the wire guide through the valve.

Abstract: This disclosure provides example methods, devices, and systems for a sensor having thermal gradients. In one embodiment, a system may comprise a sensor assembly including a housing; a first header and a second header coupled to the housing; a first transducer coupled to the first header, wherein the first transducer is configured to measure a first pressure to generate a first pressure signal; a second transducer coupled to the second header, wherein the second transducer is configured to measure a second pressure to generate a second pressure signal; and wherein the first transducer and the second transducer are positioned in the housing such that a first temperature of the first transducer is about equivalent to a second temperature of the second transducer during operation of the sensor assembly.

Abstract: A sensor device and method for monitoring interaction between a fluid and a wall includes includes a mechanical oscillator, a housing, and mechanical response sensing system. The mechanical oscillator includes a floating member formed from a first material configured to be susceptible to the fluid and a support member formed from a second material resistant to the fluid. The mechanical oscillator is affixed within the housing that is adaptably fastened to the structural component such that the floating member contacts the fluid. The mechanical response sensing system is configured to measure a mechanical characteristic of the combined floating member and the support member. The mechanical characteristic is configured to be indicative of the interaction between the fluid and the wall.

Abstract: A crash pressure sensor assembly includes a housing and an inlet arm extending from the housing, the inlet arm having a through bore. The housing is secured to a dividing panel so that a main portion of the housing is located on a first side of the dividing panel and the inlet arm extends through to a second side of the dividing panel. A pressure sensor is located in the housing so as to be on the first side of the dividing panel. The pressure sensor senses air pressure on the second side of the dividing panel via the through bore of the inlet arm and provides an electrical signal indicative of the sensed pressure. An electrical connector provides an electrical connection to the pressure sensor within the housing.

Abstract: There is provided a pressure measuring instrument including: a detecting unit including the reference pressure chamber therein and formed in a cylindrical shape, the diaphragm being disposed inside the detecting unit; a communicating unit for providing communication between the diaphragm and the measurement pressure chamber, and formed in a circular tube shape having an inner diameter smaller than an inner diameter of the detecting unit; and an annular flow-path forming unit disposed between the detecting unit and the communicating unit, and configured to form a substantially annular path. The communicating unit introduces a gas of the measurement pressure chamber into the substantially annular path. The annular flow-path forming unit allows the gas introduced from the communicating unit to pass through the substantially annular path and to supply the passing gas to a side surface of the diaphragm.

Abstract: The invention relates to a sensor device (10), in particular for use in a motor vehicle, having a housing (11) for accommodating a sensor element (1), wherein the sensor element (1) has electrical contact areas (2, 3) which are connected to electrical plug connections (18, 19) arranged in the housing (11) in an electrically conductive manner in the region of contacts (23, 24) of the plug connections (18, 19), wherein a force is applied to the sensor element (1) for the purpose of making electrical contact with a housing element in the direction of the plug connections (18, 19). The invention provides for the electrical plug connections (18, 19) to be arranged in a stationary manner in the housing (11) in the region of the contacts (23, 24) with the electrical contact areas (2, 3) of the sensor element (1), and for a support to be formed between the sensor element (1) and the housing (11) in such a manner that the sensor element (1) has three-point contact in the housing (11).

Abstract: A method of making a multi-layer micro-wire structure includes providing a substrate with a plurality of micro-channels. First and second material compositions are provided. The first material composition is coated over the substrate and micro-channels and then removed from the substrate surface but not the micro-channels. The second material composition is coated over the substrate, in the micro-channels, and over the first materials, and then removed from the substrate surface but not the micro-channels. The first and second material compositions are cured in the micro-channels in a common step to form a cured first material layer and a cured second material layer in the micro-channels. The cured first material layer and the cured second material layer form an electrically conductive multi-layer micro-wire in each micro-channel.

Abstract: A pressure transducer assembly that includes a pressure-responsive diaphragm to which a sensing element is mounted and an electronic package that includes wire-bonding pads adapted be electrically connected to the sensing element by wire bonding equipment. The diaphragm and wire bonding pads are supported within the transducer so that they lie in proximity to each other and in non-intersecting planes.

Abstract: A housing cap comprises: a cap basic body having a cap floor having an opening as well as a surrounding cap lateral wall adjoining an edge of the cap floor. A window pane of a transparent material placed on a side of the cap floor facing toward the cap lateral wall in a manner sealing the opening of the cap floor; as well as a contact disk placed on a side of the window pane facing away from the cap floor. The cap lateral wall includes on an inner side facing the window pane a groove, while the contact disk has a contact region bearing against the window pane as well as an outer edge having formed therein a plurality of teeth, which are in engagement with the groove.

Abstract: A measuring sensor includes an elongated shell part, manufactured from a synthetic gemstone material or ceramic material, is provided with a first end and a second end, the first end being arranged in a process medium to be measured. A housing structure is manufactured from a material softer than the synthetic gemstone material or the ceramic material and arranged to surround the measuring electronics. The second end of the elongated shell part is arranged to be supported against the housing structure. The elongated shell part is fastened to the housing structure by a connecting piece manufactured from a material having a hardness property between hardness properties of the material of manufacture of the elongated shell part and the material of manufacture of the housing structure.

Abstract: A method for forming a MEMS device is provided. The method includes the following steps of providing a substrate having a first portion and a second portion; fabricating a membrane type sensor on the first portion of the substrate; and fabricating a bulk silicon sensor on the second portion of the substrate.

Abstract: An internal combustion engine fitted with a combustion pressure detection device includes: an internal combustion engine having a combustion chamber, a pressure detection device having a housing, a diaphragm, and a detection member, and having a shoulder part. The diaphragm is provided on the front end side of the housing and the detection member arranged inside the housing and behind the diaphragm, allowing it to detect the pressure working via the diaphragm. Also provided is a second seal member in a ring shape that seals the opening in the combustion chamber and the housing in the shoulder part of the housing in the pressure detection device.

Abstract: A quick release coupling for connecting at least two connecting elements of a fluid system for a liquid medium, and comprises a coupling body, defining a flow channel between a first connecting end for the connection of a first connecting element, and a second connecting end. The coupling body includes a sensor chamber separated from the flow channel by a separating wall. At least one sensor is disposed in the sensor chamber, wherein a sensor probe is connected to the sensor, which extends through the separating wall from the sensor such that an end of the sensor probe facing the flow channel is in communication with the flow channel. The coupling body rests against the sensor probe without a seal. The sensor probe is a capillary tube and could be made of glass.

Abstract: A flange for a corrosion resistant and nevertheless low cost flange for pressure measurement cells, or pressure transfer means, is composed essentially of a metal foundation of a standard material and is protected on the side facing a process medium by a there applied layer of a highly alloyed, special material.

Abstract: An internal combustion engine fitted with a combustion pressure detection device includes: an internal combustion engine having a combustion chamber, a pressure detection device having a housing, a diaphragm, and a detection member, and having a shoulder part. The diaphragm is provided on the front end side of the housing and the detection member arranged inside the housing and behind the diaphragm, allowing it to detect the pressure working via the diaphragm. Also provided is a second seal member in a ring shape that seals the opening in the combustion chamber and the housing in the shoulder part of the housing in the pressure detection device.

Abstract: A measurement device (1) for determining at least one process variable with a sensor element (2) for measuring the process variable and with an electronic component (3), the sensor element (2) being connected to the electronic component (3) via at least one electrical conductor (4) has a connection, made to be as reliable as possible, between a sensor element and the electronic component due to the provision of an adapter unit (5). The adapter unit (5) guides at least one electrical conductor (4). Furthermore, the adapter unit (5), the sensor element (2) and the electronic component (3) are configured and matched to one another such that the adapter unit (5) set a minimum distance between the sensor element (2) and electronic component (3).

Abstract: An arrangement for the direct contacting of contact mechanism has a first contact mechanism arranged on a contact carrier and a second contact mechanism. The second contact mechanism acts with a predetermined contact force on the first contact mechanism. The contact carrier includes a plastic injection premolding of galvanizable plastic and a nongalvanizable plastic. The galvanizable plastic has a predetermined resilient behavior and the first contact mechanism is formed by a metal layer having predetermined dimensions. The first contact mechanism can be applied onto the galvanizable plastic in a galvanic process. The resilient behavior of the galvanizable plastic and the dimensions of the metal layer form, under the predetermined contact force, a microdepression configured to guide the second contact mechanism in the first contact mechanism. A corresponding connection device for a pressure measurement cell includes such a direct contacting arrangement.

Abstract: Provided is a measuring arrangement system operative for measuring a physical and/or chemical process variable of a process medium, which is held in a container, having a measuring device with a process connection and a sensor housing attached to it, such that the process connection comprises a measuring cell housing with a measuring cell, wherein a circumferential web, which divides the circumferential surface into a first and second circumferential section, is provided on the circumferential surface of the measuring cell housing; the process connection comprising a union nut with an inside thread and interior ring stop; and a tubular flange having first and second ends, having on its first end an outside thread, designed to correspond to the inside thread of the union nut, such that the circumferential web is designed so the measuring cell housing can be clamped between the flange and the union nut in two different directions.

Abstract: A transducer assembly configured to accommodate a plurality of individually tunable sensing elements of various geometries and configurations by using a cap and an accompanying capillary tube. The configuration of the various embodiments described herein eliminate the header to flat plate welds of the prior art, and therefore better accommodates a plurality of sensing elements and corresponding header assemblies within one transducer assembly.

Abstract: An apparatus (10) for fuelling an aircraft, in particular during performing a tank leakage test on the aircraft, comprises a fuel supply line (14) for supplying fuel to an aircraft tank system (12), at least one pressure sensor (26) for sensing a pressure within the aircraft tank system (12) and for providing a signal indicative of the pressure within the aircraft tank system (12), an electronic control unit (ECU) for processing the signal of the pressure sensor (26) and for generating an emergency shut-off signal, if the pressure within the aircraft tank system (12) exceeds a first predetermined level, and an emergency shut-off device (24) which is controlled by the electronic control unit (ECU) and which is adapted to interrupt the supply of fuel to the aircraft tank system (12) in response to the emergency shut-off signal from the electronic control unit (ECU).

Abstract: Embodiments involve smart device fabrication for semiconductor processing tools via precision patterning. In one embodiment, a method of manufacturing a semiconductor processing tool component includes providing a substrate of the semiconductor processing tool component, patterning the substrate to form a sensor directly on the substrate, and depositing a top layer over the sensor. The sensor may include, for example, a temperature or strain sensor. The method can also include patterning the substrate to form one or more of: heaters, thermistors, and electrodes on the substrate. In one embodiment, the method involves patterning a surface of the component oriented towards a plasma region inside of the semiconductor processing tool.

Abstract: Techniques disclosed herein include systems and methods for pressure measurement of fluids including vehicular fluids. The pressure sensor includes a microelectromechanical system (MEMS) sensor for pressure measurement. The MEMS sensor is attached to a glass tube which is compressively sealed to a mounting frame that is attachable to a pressure port of a fluid-containing enclosure. Techniques disclosed herein provide an hermetic seal between the tube and the mounting frame and a rigid seal between the MEMS sensor to a pressure sensor while decoupling thermal expansion stress from the MEMS sensor. With such decoupling techniques, pressure sensing reliability and accuracy can be improved because thermal expansion stress is decoupled from the MEMS sensor. Such techniques provide an accurate, durable, and cost-effective pressure sensor.

Abstract: A method of forming a dual port pressure sensor includes forming a first opening and a second opening in a flag of a lead frame. An encapsulant is molded to hold the lead frame in which the encapsulant is over a top of the flag and a bottom of the flag is uncovered by the encapsulant. A first opening in the encapsulant is aligned with and larger than the first opening in the flag and a second opening in the encapsulant aligned with the second opening in the flag. A pressure sensor transducer is attached to the bottom of the flag to cover the first opening in the flag, wherein the pressure sensor transducer provides an electrically detectable correlation to a pressure differential based on a first pressure received on its top side and a second pressure received on its bottom side. An integrated circuit is attached to the bottom of the flag. The integrated circuit is electrically coupled to the pressure sensor. A lid is attached to the encapsulant to form an enclosure around the bottom of the flag.

Abstract: A header assembly for a pressure sensor and methods for manufacturing and using the same are provided. In one example embodiment, a header insert may include a base; a hollow protrusion coupled to the base and having a metalized inner surface and a metalized outer surface, wherein the metalized outer surface of the hollow protrusion is used to couple to a header and the metalized inner surface of the hollow protrusion is used to couple to a header pin; and wherein a seal is formed between the header, the header insert and the header pin.

Abstract: A fastening device includes a support element placed on a vehicle wall, a retaining element having a retaining wing for fastening the device in an opening of the wall, and a sealing element between the support and retaining elements. The retaining element is rotatable relative to the support element along a rotation path, e.g. by a bayonet-type movement. The support element, the retaining element and/or the sealing element are designed such that a play remains between the support element, the retaining element and/or the sealing element in a first section of the rotation path, and such that the support element and/or the retaining element move(s) relative to the sealing element so as to eliminate the play at the end of the rotation path, whereby the sealing element is sealingly compressed between the support element and the retaining element, thus sealing the fastening device.

Abstract: A retractable flow conditioner that includes a body adapted for insertion into a fluid in a confined conduit upstream of a differential pressure measuring probe. The body has at least one flow conditioning element. The retractable flow conditioner also includes a mounting assembly attached to the body. The mounting assembly is configured to retractably mount the body into the confined conduit.

Abstract: A circuit carrier for a sensor unit comprises a first interface via which at least one electrical output signal is tapped at least at one connection point of a measuring cell, a second interface via which the at least one electrical output signal of the measuring cell is applied via at least one first contact element to a circuit board with an electronic circuit, and a hollow, cylindrical main body. The main body includes an inner joining geometry defined on an inner contour which defines at least in part the first interface, an outer joining geometry which defines at least in part the second interface, and configured to electrically connect to a connection point of the measuring cell in a force-free manner. The outer joining geometry is configured as a receiving pocket with a protruding collar, and includes the at least one first contact element.

Abstract: A test fixture is provided for mounting a sample to a gas gun. The fixture includes a gun barrel mount including an annular enclosure with first and second axial ends, and a sample platform. The mount connects to the gas gun at the first end. The sample platform includes a tubular component having third and fourth axial ends, a pusher disk, an end plate, and a flange. The disk supports the sample and mounts to the end plate. The flange removably attaches to the component at the third end. The end plate removably attaches to the component at the fourth end and to the enclosure at the second end.

Abstract: The present disclosure relates to sensors including pressure sensors, humidity sensors, flow sensors, etc. In some cases, a cover for use with a sensor assembly may include an electrically insulating body having perimeter features extending a majority of the way around perimeters of upper and lower printed circuit boards that the cover may vertically separate. In one example, the body of the cover may include support features that extend from a lower side of the cover and those support features may contact the lower printed circuit board in at least two locations. The support features of the cover may be separated by a gap and a sensor connected to the lower printed circuit board may be situated within the gap.

Abstract: A pressure measuring transducer includes a pressure measuring cell; a measuring cell housing having an annular axial abutment surface, which surrounds an opening; a sealing ring; and a ring of angular cross section for positioning the pressure measuring cell and the sealing ring in the measuring cell chamber. The ring of angular cross section includes at least a first component of a form-retaining material and at least a second component of an elastic material, wherein the at least one form-retaining component forms the radial shoulder and extends in the axial direction into the annular gap, and the second component is connected with the first component and extends in the annular gap at least sectionally radially between the lateral surface of the pressure measuring cell and the wall of the measuring cell chamber.

Abstract: Retrievable sensor devices and methods are provided that can be easily installed and removed from a sub-sea system without the need to stop the flow of working/process fluid. In particular, a retrievable sensor is provided that can be configured to be located remote from the process fluid to allow for easy access. In other embodiments, an actuator is provided that allows for pressure adjustments to be made during installation and/or removal of the sensor so as to avoid damage to the sensor and/or other system components and to avoid any process fluid/material leakage. Methods are also provided for installing/removing a retrievable sensor, as well as for adjusting a pressure of a retrievable sensor.

Abstract: Pressure sensor unit for sealed attachment to a fluidic system comprising a mounting member, a membrane cavity extending through the mounting member with an opening in contact with the fluidic system when the sensor unit is attached thereto, a membrane formed at the distal end of the membrane cavity, and a membrane deflection sensor, wherein the membrane is separated from the mounting member by a stress insulating member arranged to isolate the membrane from stress and strain in the mounting member.