A device for measuring a pressure and a temperature of a fluid medium flowing in a duct, the device including a pressure sensor element; a temperature sensor having a temperature sensor element; a housing that has a connecting piece, the connecting piece being insertable into the duct in an insertion direction, the connecting piece having an interior chamber, the interior chamber having an opening through which the interior chamber may be exposed to the fluid medium; and a carrier substrate, the pressure sensor element being connected electrically and mechanically to the carrier substrate. In order to increase the service life of the temperature sensor, and in order to allow temperature measurement that is as accurate as possible, it is provided, in this context, that the carrier substrate be positioned substantially parallel to the insertion direction in the interior chamber of the connecting piece, the interior chamber extending along the insertion direction, and it is provided that the temperature sensor be connected electrically and mechanically to the carrier substrate.

A blower, including a scroll casing, a fan impeller, a motor, and a pressure measuring connector. The scroll casing includes a chamber, an air inlet, and an air outlet. The air inlet and the air outlet communicate with the chamber. The motor is disposed on the scroll casing. A drive end of the motor is inserted into the chamber and is connected to the fan impeller. The pressure measuring connector is disposed on the scroll casing. A channel is disposed in the pressure measuring connection, and the channel communicates with the chamber. The channel includes a first subchannel and a second subchannel. The first subchannel communicates with the second subchannel, and an inner diameter of the first subchannel is larger than an inner diameter of the second subchannel.

Semiconductor devices can include a reservoir of ions and one or more channel regions. Additionally, the semiconductor devices can include one or more diffusion control devices that control the flow of ions from the reservoir to the one or more channel regions. The presence of ions in the one or more channel regions can be detected and used to determine that the semiconductor devices have been subjected to one or more events.

Provided are a metal vapour pressure detection apparatus and detection method. The metal vapour pressure detection apparatus comprises a metal evaporation cavity (1) and a pressure detection mechanism (3) disposed on the outer side the metal evaporation cavity (1). The metal evaporation cavity (1) is used for melting and evaporating metal to form metal vapour. The pressure detection mechanism (3) comprises a displacement generation system and a displacement detection system disposed on the displacement generation system. The displacement generation system comprises a displacement slider sleeve (5), a displacement slider (4) disposed in the displacement slider sleeve (5), and a pressure balance spring (6) connected to the displacement slider (4). In the metal vapour pressure detection apparatus, metal vapour pressure can be directly obtained, providing a basis for online control and adjustment of metal vapour.

A pressure testing device for calculating a pressure in a flexible line comprises a housing unit, a force sensor mounted on the housing unit and a clamp assembly having a clamp mounted on the housing unit. The clamp is operable to compress the flexible line against the force sensor by a predetermined degree of deformation of the flexible line. The device includes a displacement sensor adapted to measure a displacement of the clamp. The device also includes a controller having a processor in communication with the force sensor and the displacement sensor, and a memory unit containing stored data. At the predetermined degree of deformation of the flexible line, the processor compares a first signal from the force sensor and a second signal from the displacement senor with the stored data to estimate the pressure within the flexible line.

A pressure sensor includes a sensor body which has a first surface and a cavity with an opening in the first surface, a cantilever which has a base end portion supported on the first surface and a distal end portion provided to form a gap from a peripheral edge of the opening inside the opening, is flexurally deformed according to a pressure difference between an inside and an outside of the cavity, and is formed of a semiconductor material, and a displacement measurement unit which measures a displacement of the cantilever vibrating according to the pressure difference at a frequency larger than a lower limit frequency f.sub.LOW (Hz) defined by Expression (1), where a width (m) of the gap is represented by G, a volume (ml) of the cavity is represented by V, and a proportional constant is represented by k.
f.sub.LOW=k.Math.(G.sup.2/V)(1)

A method determines the saturation duration of an adsorbent, including providing a filter coated with the adsorbent, where a medium to be filtered with a DOC content is present on the outside of the filter and the adsorbent forms a layer with an adsorbent mass on the outside of the filter and is suitable for adsorbing dissolved organic carbon from the medium to be filtered. A pump is provided and a pressure measuring device is arranged between the pump and the filter. The medium is pumped through the filter and the temporal course of filtration pressure is recorded. The filtration pressure increase rate is derived as a quotient of the filtration pressure increase per time unit. The saturation time is identified as the time of a significant change in the pressure increase rate, and an associated saturation duration is determined as the time from the start of pumping to saturation.

A method determines the saturation duration of an adsorbent, including providing a filter coated with the adsorbent, where a medium to be filtered with a DOC content is present on the outside of the filter and the adsorbent forms a layer with an adsorbent mass on the outside of the filter and is suitable for adsorbing dissolved organic carbon from the medium to be filtered. A pump is provided and a pressure measuring device is arranged between the pump and the filter. The medium is pumped through the filter and the temporal course of filtration pressure is recorded. The filtration pressure increase rate is derived as a quotient of the filtration pressure increase per time unit. The saturation time is identified as the time of a significant change in the pressure increase rate, and an associated saturation duration is determined as the time from the start of pumping to saturation.

A sensor arrangement having: a first sensor cell which can be excited thermally by means of a heater; a second sensor cell which can be excited thermally by means of a heater; and an evaluation; wherein the first and second sensor cells are sensor cells of the same kind and are dimensioned and/or configured differently, and are configured to form a respective oscillation behavior in dependence on a gas property of a gas surrounding the sensor cells, in particular heat conductivity, volume heat capacity, temperature and/or pressure, and the evaluation is configured to evaluate the oscillation behavior of the first and second sensor cells together in order to determine the heat conductivity and volume heat capacity, heat conductivity being determined based on the oscillation behavior of the first sensor cell and volume heat capacity being determined based on the oscillation behavior of the second sensor cell.

A pressure sensor device for internal pressure monitoring in a hose, preferably an infusion hose, that is used for fluid transmission and that rests directly or indirectly on a pressure sensor housing. The hose is elastically deformable and connected via a contact side to a pressure transmission element located in the pressure sensor housing. The pressure transmission element transmits internal pressure changes absorbed via the contact side to a compressive force sensor for measurement. The contact side can have an elliptical shape, and the pressure transmission element can have a funnel-shaped extension, to make the pressure sensor device as robust as possible in terms of measurement accuracy, and independent of fluctuations in temperature and associated changes in material states.