A force detector capable of preventing short-circuit fault between electrodes and allowing for downsizing. A prescribed region encompasses a projection region defined by projecting a deformation region of a force sensor element, which is deformed when a force transmission member applies a force to the force sensor element, onto a base substrate. A plurality of terminals are provided by four soldering land electrodes formed, respectively, at four corners of the base substrate. The soldering land electrodes are shaped such that a portion of each soldering land electrode is located within the projection region to form a soldering portion.

A measuring device for determining a physical and/or chemical measured variable comprises a sensor element having an electrical transducer for providing measured variable dependent electrical, primary signals and a sensor body having at least one metallized surface section; an on- site electronics, wherein a first area of the on-site electronics includes a plurality of first contact areas that are mechanically and electrically connected with the at least one metallized surface section of the sensor element, wherein a second area of the on-site electronics includes a plurality of second contact areas; and a circuit board that includes a plurality of third contact areas in a first region, wherein the circuit board is mechanically and electrically connected with the on-site electronics by means of the second contact areas and the third contact areas.

In some embodiments, a pressure sensor comprises may comprise a housing, a flexible membrane which, together with the housing, forms a hermetically closed cavity, a sensor element arranged in the hermetically closed cavity, and a gaseous medium in the hermetically closed cavity. The sensor may measure an external pressure on the flexible membrane based on at least one of: a pressure of a gas in the hermetically closed cavity, and/or an amount of time of a time of flight of an optical pulse or a sound pulse emitted by the sensor element reflected from the flexible membrane.

The pressure sensor according to the present invention is featured by including: a pressure sensor unit provided with a pressure detecting element configured to receive a drive voltage from a control substrate and electrically send a pressure detection signal to the control substrate so as to detect a pressure of fluid, and a plurality of electric wires connected to the pressure detecting element so as to supply the drive voltage and drawn to the outside so as to send the pressure detection signal; and a relay substrate connected to the plurality of electric wires and having a converting circuit mounted thereon, the converting circuit converting either or both of the drive voltage supplied from the control substrate and the pressure detection signal sent to the control substrate.

Method for soldering a connection element to a connection point on an electrically conductive coating that is suitable for soft-soldering on an insulating surface of a base body using a soft-soldering method; as well as sensors manufactured using this method for which a spatial limitation of the wetting of the coating with soft-solder material, during the process of soft-soldering, is effected by providing a groove in the base body which at least partly surrounds the connection point on the outside. At least a part of the area of the external insulating surface of the base body including the connection point is coated with the coating, and soft-solder material is locally applied to the connection point and the connection element is soldered onto the connection point using the applied soft-solder material in a soft-soldering process.

The invention relates to a capacitive pressure measuring cell for detecting the pressure of a medium adjacent to the pressure measuring cell, comprising a ceramic elastic measuring membrane, the first side of which at least partially contacts the medium and the second side of which facing away from the medium comprises a measuring electrode, and a ceramic cylindrical basic body disposed opposite to the second side of the measuring membrane and comprising at least one counter electrode which forms a measuring capacitance with the measuring electrode.

A sensor that includes a housing and a wireless communication circuit.

A connector includes a resin-made connector body and a pressure sensor. The connector body includes a first main tubular part that is connected to a first pipe, a second main tubular part that is connected to a second pipe, and a sensor mounting part. The first main tubular part and the second main tubular part connect with each other to form an angle. The sensor mounting part includes: a tubular intake part that is formed in line with a line extending from one of the first main tubular part and the second main tubular part and has a bottom face; and a sensor mounting seat that is capable of being mounted with the pressure sensor and communicates with a peripheral-surface opening of the tubular intake part.

In at least two groups of independent sensors connected to an electronic control device(s), at least two output signal ports are included in a sensor of a first group, and one output signal port is included in a sensor of a second group; and two output signals in the first group have different characteristics while having a constant relationship to each other defined in advance, and the one output signal in the second group has an equivalent characteristic to either one of the two output signals in the first group. The electronic control device(s) includes an abnormality determination unit which is configured in such a manner that all of output signals of the output signal ports are compared, and, for the control by the electronic control device(s), only a normal output signal(s) is used among the output signals thereof having been determined by the abnormality determination unit.

A pressure sensor that can prevent application of excessive stress on a port and detect fluid differential pressure accurately. A base includes a sensor that detects a pressure difference between a first fluid and a second fluid. A first port is attached to the base and has a first flow path through which the first fluid is introduced. A second port is attached to the base and has a second flow path through which the second fluid is introduced. The outer diameter of the first port is equal to the outer diameter of the second port, and the diameter of the first flow path is smaller than the diameter of the second flow path.