A wearable universal blast sensor includes an underwater pressure sensing transducer and at least one blast parameter sensing transducer to measure a blast parameter from the blast other than pressure, an analog-to-digital converter having an analog input and a digital output, the analog input coupled to the pressure sensing transducer and a digital output, a rolling memory buffer coupled to the digital output of the analog-to-digital converter, at least one controller coupled to the rolling memory buffer and configured to store a time sequence of digital pressure signals from the digital output of the analog-to-digital converter, write into a blast event memory data from the rolling memory buffer including data corresponding to the blast event if one of the digital pressure signals exceeds a set first threshold, generate a first blast magnitude indicator signal if any of the digital pressure signals exceeds a second set threshold.

A wearable universal blast sensor includes an underwater pressure sensing transducer and at least one blast parameter sensing transducer to measure a blast parameter from the blast other than pressure, an analog-to-digital converter having an analog input and a digital output, the analog input coupled to the pressure sensing transducer and a digital output, a rolling memory buffer coupled to the digital output of the analog-to-digital converter, at least one controller coupled to the rolling memory buffer and configured to store a time sequence of digital pressure signals from the digital output of the analog-to-digital converter, write into a blast event memory data from the rolling memory buffer including data corresponding to the blast event if one of the digital pressure signals exceeds a set first threshold, generate a first blast magnitude indicator signal if any of the digital pressure signals exceeds a second set threshold.

A brake pressure sensor may include: a housing part; an induction part mounted in a first end portion of the housing part, and configured to guide oil; an adjusting part embedded in the housing part, and configured to guide oil, and adjust an amount of oil passing therethrough, as a spacing between the adjusting part and the induction part is varied while the adjusting part is moved according to hydraulic pressure; a support part mounted in a second end portion of the housing part, and configured to support the adjusting part and guide the oil having passed through the adjusting part; and a measurement part connected to the support part, and configured to measure the pressure of the oil having passed through the support part.

A brake pressure sensor may include: a housing part; an induction part mounted in a first end portion of the housing part, and configured to guide oil; an adjusting part embedded in the housing part, and configured to guide oil, and adjust an amount of oil passing therethrough, as a spacing between the adjusting part and the induction part is varied while the adjusting part is moved according to hydraulic pressure; a support part mounted in a second end portion of the housing part, and configured to support the adjusting part and guide the oil having passed through the adjusting part; and a measurement part connected to the support part, and configured to measure the pressure of the oil having passed through the support part.

An electronic pressure and temperature sensor includes a chamber disposed within a housing. The pressure and temperature sensor are disposed at a chamber first end. An opening is disposed at a chamber second end, wherein the opening is configured to be in fluidic communication with the fluid media. A viscous gel is disposed within a portion of the chamber and encloses the pressure and temperature sensor apart from the fluid media. A second temperature sensor is at least partially disposed within the housing and is not disposed within the chamber. The first temperature sensor is configured to measure a temperature of the viscous gel, where the temperature of the viscous gel configured for use in temperature compensation calculations used to determine the pressure of the fluid media. The second temperature sensor is configured to measure a temperature of the flow of the fluid media.

A method for manufacturing a pressure detecting unit for a measuring device for measuring a pressure status value of a plant specimen. The method includes mounting a sensor unit for detecting the pressure status value at a carrier substrate, fastening a frame to the carrier substrate, the frame including a fastening surface, a contact surface oriented opposite the fastening surface and an inner surface defining an opening and extending between the fastening surface and the contact surface, the frame being situated at the carrier substrate in such a way that the fastening surface faces the carrier substrate and the inner surface surrounds the sensor unit, and filling the opening of the frame with a filling material for forming an elastic pressure coupling layer. A pressure detecting unit for a measuring device for measuring a pressure status value of a plant specimen is also described.

In the following, a sensor assembly is described. According to an exemplary embodiment, the sensor assembly has a housing enclosing a pressure chamber filled with a medium, the housing having a first housing part and a second housing part, the first housing part being connected to the second housing part to seal the pressure chamber in a pressure-tight manner A sensor chip is arranged in the pressure chamber, substantially surrounded by the medium, and configured to measure a pressure of the medium. The sensor assembly also includes a plurality of connection pins which are fed through the first housing part (carrier) by pressure-tight bushings and which are electrically connected to the sensor chip. The sensor assembly also has stress relieving structures which are configured to mechanically decouple the first housing part and a pressure-sensitive element of the sensor chip.

A method for manufacturing a pressure-sensitive sensor includes providing an extruder that includes a cylindrical die, a mandrel arranged inside the die and having plural helical grooves on an outer circumferential surface, and an annular outlet sandwiched between the die and the mandrel, and by using the extruder, performing simultaneous extrusion-molding of an elastic insulating material and an elastic conductive material by supplying the elastic conductive material into not less than two of the grooves from the inside of the mandrel while extruding the elastic insulating material, so as to form a pressure-sensitive sensor. The sensor includes a tubular body including an elastic insulation and having a hollow portion along a longitudinal direction, and not less than two conductive ribs including an elastic conductor and helically provided along an inner circumferential surface of the hollow portion of the tubular body so as to protrude inward from the inner circumferential surface.

A pressure sensing metal diaphragm configured for deforming according to a pressure is provided, including: a main body, extending flat, including a through hole and a go-through structure configured for insertion of a movable. A pressure sensing diaphragm assembly including the pressure sensing metal diaphragm and a pressure sensing non-metal diaphragm is further provided, wherein the pressure sensing non-metal diaphragm covers the go-through structure. A pressure gauge including the pressure sensing diaphragm assembly is further provided.

A pressure sensor to measure low pressures, including: a body extending in a plane, the body including a measurement zone situated at an end of the body, a connection zone situated at another end of the body, the measurement zone including a cavity delimited by a wall, that is deformable under effect of a difference in pressure between inside of the cavity and an external environment, the deformable wall situated at rest in a plane parallel to the plane of the sensor; a mechanism measuring deformation of the deformable wall, the measurement mechanism situated in the cavity; an electrical connection connecting the measurement mechanism to the connection zone, the electrical connection arranged in the body.