A force transducer is disclosed, which is arranged in such a way that, when a force is applied to the force transducer, two output signals from the force transducer are generated, which output signals are representative of the force components in a first plane and in a second plane perpendicular to the first plane, respectively, whereas force components in a third plane perpendicular to the first plane and the second plane do not affect the output signals from the force transducer. Furthermore, a measuring device is disclosed, comprising a handle comprising such a force transducer and a base unit, to which the handle is attached. Even further, a system for measuring muscle stiffness is disclosed, comprising a measuring unit and a processing unit, the measuring unit comprising such a measuring device.

An elongate force sensor assembly for measuring a force applied in a force application direction and a method of manufacturing the assembly, the force sensor assembly including an elongate force responsive beam element extending along a longitudinal axis which is generally perpendicular to the force application direction, the elongate force responsive beam element being formed with a throughgoing longitudinal bore along the longitudinal axis, at least one strain gauge affixed to the elongate force responsive beam element, each of the at least one strain gauge generating a strain gauge output in response to the force, and a plurality of circuit elements operative to convert the strain gauge output into a force indication, indicating a magnitude of the force.

A strain gauge nozzle adapter that may be placed between a barrel end cap and a nozzle body of an injection molding system, the strain gauge nozzle adapter having a strain gauge pin that measures strain within the strain gauge nozzle adapter for use in approximating conditions within an injection molding system, such as pressure or the location of a melt flow front. The strain gauge nozzle adapter may include a plurality of strain gauge pins. An alternative material insert in the strain gauge nozzle adapter may surround a strain gauge pin to amplify meaningful measurements obtained by the strain gauge pin so that noise measurements do not compromise the accuracy of approximation of conditions within a mold.

A kingpin assembly includes a housing having a recess located therein, a kingpin having at least a portion located within the recess of the housing, wherein the kingpin is secured within the recess of the housing, and wherein the kingpin includes an axis extending along a length of the kingpin, and a sensor arrangement configured to sense a force exerted on the kingpin in a first direction that is substantially perpendicular to the longitudinal axis, and a second direction that is substantially perpendicular to the first direction.

A system for measuring a load lifted by a lifting machine includes a winch with a rope wound onto a drum, the drum being rotatable to wind and unwind the rope affixed to the load to lift and lower the load, end supports affixing the drum to the lifting machine, and at least one strain gauge affixed to the end supports and measuring a strain applied to the end supports by the load on the rope.

A strain gauge includes: a substrate; a transverse sensitive grid arranged on the substrate; and at least two non-transverse sensitive grids arranged on the substrate so as to be located on opposite sides of the transverse sensitive grid both electrically connected to the transverse sensitive grid. The two non-transverse sensitive grids are connected to each other by a connection and share a common ground lead and a common ground interface. One end of the ground lead is connected to the connection at the middle thereof. The other end of the ground lead is connected to the ground interface. The two non-transverse sensitive grids have equal resistances and are connected to ends of two respective non-ground leads having equal resistances. The other ends of the two non-ground leads are connected to two respective non-ground interfaces.

A sensor assembly, a force detection device and method, and construction machinery, the sensor assembly comprising a connecting part used for connecting a base to be tested and a bearing part used for bearing, the bearing part being connected to the connecting part, the bearing part comprising at least two sensing units with different measuring ranges, and the at least two sensing units being arranged to have a different initial gap (b1, b2) from the connecting part, so that corresponding initial gap (b1, b2) are eliminated when a load applied to the bearing part reaches different extents. The different initial gaps (b1, b2) are eliminated by means of the load reaching a different extent, so that the sensing units with different measuring ranges can provide detection feedback in the respective working conditions in which the units have the highest measurement precision and thereby ensure the accuracy of detection results.

A sensor system comprises flexible piezoelectric polyvinylidene fluoride wire/strip and/or a short/extended strain gauge wire/printed strain gauge transducers to measure both static and dynamic pressure, conditioning electronics, installation/adherence tool, calibration tool, electronic devices for measuring pressure outputs, and wireless transmission of sensor signal through a data acquisition system to a smart device. A software application for reading the output of the strain gauges remotely is included. Individual system components include distributed strain sensors, custom printed strain gauges, strain gauge wires, calibration rig, slotted ring clamp, strain measuring devices, and software application for visualization of pressure readings.

A sensor device is provided for attachment to a surface of a fluid fitting, including a sensor portion comprising a sensor configured for detecting a physical parameter, a flexible circuit portion comprising a flexible circuit board and one or more circuit components supported by the flexible circuit board, and a rigid circuit portion comprising a rigid circuit board and one or more other circuit components by the circuit board. The sensor portion, flexible circuit portion, and rigid circuit portion are operatively coupled together and adapted to be affixed to said surface of said fluid fitting. In one example, a strain sensor is used. In another example, the fluid fitting comprises a coupling body defining a bore for receiving said fluid element therein. A ring is configured to fit over at least one end of the coupling body for mechanically attaching the coupling body to said fluid element.

An electrode joining apparatus for joining a free electrode to a fixed electrode, the fixed electrode having a top end. The apparatus can include an electrode holder configured to selectively hold the fixed electrode. A torque device can be positioned above the electrode holder, the torque device configured to grip and spin the free electrode to join the free electrode to the fixed electrode. A blowout jet can be oriented to selectively force a stream of gas toward the top end of the fixed electrode when the fixed electrode is held by the electrode holder. As such, the blowout jet can help remove dust, debris, or graphite residue on the top end of the fixed electrode before joining of the free electrode to the fixed electrode. The fixed electrode can include a threaded socket, the blow jet oriented to force the stream of gas toward the threaded socket.