Pressure measurement system (e.g., for an extracorporeal treatment system), method and pressure pod apparatus including a position sensor for use in repositioning a diaphragm that separates a liquid side cavity from a transducer side cavity (e.g., operatively connected to a pressure transducer); the liquid side cavity being in fluid communication with an inlet and an outlet.

A diaphragm seal system, which is filled with a pressure transmission medium, wherein the pressure measurement instrument is welded by its connecting thread into a connecting adapter.

Disclosed is a pressure gauge comprising a pressure sensor, a pressure transmitter connected upstream of the pressure sensor and having an isolation diaphragm, the outer side of which can be supplied with pressure and under which a pressure receiving chamber is enclosed, and comprising a hydraulic pressure transmission path connected to the pressure receiving chamber and filled with a pressure transmitting fluid. The diaphragm seal comprises a deflection device actuated by a controller connected to the pressure sensor and/or to a temperature sensor, and which is designed to exert a force on the isolation diaphragm, or on an element connected to the isolation diaphragm, said force deflecting the isolation diaphragm in the direction of its diaphragm bed, at times that are determined by the controller and that are based on a pressure measured continuously by the pressure sensor and/or a temperature measured continuously by the temperature sensor.

Methods, apparatuses and systems for providing pressure sensing components for apparatuses are disclosed herein. An example pressure sensing component may comprise: a pressure sensing element defining a microfluidic channel containing a pressure transfer fluid configured to absorb a pressure of a media applied to the pressure sensing element, wherein at least one dimension of the microfluidic channel is in a micrometer range; and a pressure measuring element in electronic communication with the pressure sensing element, wherein the pressure measuring element is configured to convert a pressure of a media absorbed by the pressure sensing element into a measurable electrical signal.

There is provided a device and a method of operating the device for determining whether the device is immersed in a fluid. An acceleration signal for the device is acquired (302) and a pressure within the device is detected (304). It is determined whether the device is immersed in a fluid based on a comparison of the acquired acceleration signal with the detected pressure (306).

Provided is an air sensor, coupled to an air inlet of an air-filled product that is filled with air to maintain a shape thereof, the air sensor including: a connector coupled to the air inlet and communicated with an interior of the air-filled product, thereby allowing air in the air-filled product to be introduced into an interior of the connector; a silicon sensor provided inside the connector, thereby being operated by air pressure of the air-filled product; an impact sensor configured to detect an impact caused by an operation of the silicon sensor; and a PCB connected to the impact sensor, thereby displaying the number of times according to a detection signal of the impact sensor.

The present disclosure is provided with a measuring element (M) and a measuring device. The measuring element includes a base body, a diaphragm and a permeation resistant layer, the diaphragm is fixedly connected to the base body, with a sealed cavity being defined between the diaphragm and the base body. The permeation resistant layer is arranged on an inner side surface, facing the sealed cavity, of the diaphragm, and extended continuously on the inner side surface of the diaphragm at least beyond a connection region of the diaphragm with the base body. The measuring device includes the measuring element (M).

A pressure transmitter includes a housing and a pressure sensor having an electrical characteristic that varies with applied pressure. The pressure sensor is configured to generate a sensor signal indicative of process fluid pressure. A transmitter isolation diaphragm is configured to couple to a process barrier seal to convey pressure to the pressure sensor. A flange is coupled to the transmitter isolation diaphragm. The flange includes at least one gas pathway extending inwardly from an outer diameter of the transmitter isolation diaphragm. Electronics are coupled to the pressure sensor to receive the sensor signal and to generate an output indicative of the pressure.

A pressure sensor with calibration function includes a casing, a diaphragm, a sensing element, a medium, and at least one calibration element. The diaphragm is disposed on the casing, wherein the casing and the diaphragm define an accommodating space. The sensing element is disposed in the casing. The medium is filled in the accommodating space and in contact with the sensing element. The at least one calibration element is adjustably disposed at the casing and extended into the accommodating space to be in contact with the medium, wherein when the at least one calibration element is moved relative to the casing, the at least one calibration element changes the pressure applied to the medium.

A sensor element includes a sensor chip and a diaphragm base joined to a surface of the sensor chip. The sensor chip includes a first diaphragm for measuring differential pressure between a first pressure and a second pressure and a second diaphragm for measuring absolute pressure or gage pressure of the second pressure. The diaphragm base includes a third diaphragm to directly receive a fluid that is a measurement target and has the first pressure, and a fourth diaphragm to directly receive a fluid that is a measurement target and having the second pressure. The sensor element has a liquid amount adjustment chamber to make an amount of a first pressure transmission medium filled in a first pressure introduction path and an amount of a second pressure transmission medium filled in a second pressure introduction path to be equal to each other.