Magnetostrictive linear displacement sensor for construction machinery, special vehicles, and railway vehicle construction management.
Temposonics MH Series/RF Series
This is a robust magnetostrictive linear displacement sensor designed to withstand harsh environments such as shock, vibration, and temperature using magnetostrictive technology.
This sensor is a compact, non-contact, high-reliability sensor specially developed through rigorous testing to fit within hydraulic and pneumatic cylinders. To accommodate various applications, it offers selectable interfaces such as analog, PWM, CANopen, and J1939. It also supports SIL2 and performance level d, which will become essential in the future. This robust sensor provides optimal solutions for automation and safety in construction machinery, railways, and agricultural machinery. Additionally, the RF sensor, with a maximum range of 20m, can monitor displacements of tunnel walls and slopes in real-time at up to 30 locations with a resolution of 1μm, ensuring safe and reliable construction.
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basic information
■ A compact stainless steel displacement sensor designed for use built into hydraulic cylinders ■ Suitable for vehicle clevis-type cylinders and cylinders with limited mounting space ■ The sensor head is housed in a robust stainless steel case containing the circuit board ■ The sensor rod incorporates a detection element and magnetostrictive wire within a pressure-resistant stainless rod, fitting inside a ground piston rod ■ The magnet is the only movable part, mounted at the bottom of the piston, moving non-contact along the sensor rod without wear; the magnetic field generated by this magnet acts on the internal magnetostrictive wire as it passes through the sensor rod to detect the magnet's position 【Features】 ● Non-contact ● High precision ● Maximum length of 20m (RF type) ● Simultaneous detection of up to 30 positions (RF type) ● Redundancy (Redundant: two sensors in one housing) ● Ultra-compact, can be built into hydraulic and pneumatic cylinders ● Built-in for vehicles, railways, and marine cylinders ● Measures absolute position and movement speed ● Interfaces available: analog (voltage, current), PWM, CANopen, J1939, etc. ● Operating temperature range: -40℃ to +105℃
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Applications/Examples of results
Construction machinery, resource extraction machinery, road vehicles, railway vehicles, agricultural machinery, ships, aircraft, hydraulic cylinders for various applications, pantographs for railway vehicles, dampers, rail cutting positions, rail spacing positions, transmission positions, steering, suspension, height control, position control, tilt control, level control, wind power generation, slopes, bridge monitoring, tunnel construction management.
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Company information
Temposonics introduced a non-contact, high-precision, and cost-effective non-contact absolute sensor method using the magnetostrictive effect (Weidmann effect) for position measurement in the early 1970s, which had previously been dominated by incremental methods. As a leading company in magnetostrictive sensors, we are committed to improving accuracy as position sensors, engaging in research and development, and enhancing quality to meet the needs of the industry. Our sensors are increasingly being adopted not only as linear sensors to replace rotary encoders, linear encoders, and potentiometers but also in various industries such as hydraulics, pneumatics, water pressure, injection molding, welding, printing, textiles, construction machinery, wind power generation, metal processing, as well as disaster prevention sensors like landslide sensors and bridge sensors. Temposonics will continue to develop and strive day and night to serve as a leading company in industrial sensors.