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Ixthus Instrumentation offers patented torque and force transducer technology called Pulsed Current Modulated Encoding (PCME) that offers high performance in extreme temperatures and harsh conditions.

Developed by German sensor company NTC Engineering, with UK and Ireland distribution through Ixthus, the technology is available in a range of standard products or can be integrated directly in performance-critical torque transmission components without the need to make functional design changes.

Such components can be submerged in oil or other mediums at high temperatures.

The technology has been applied across a wide range of application areas including motorsports, automotive, aircraft and railways, engine and plant construction, and industrial test and measurement.

Specific applications include load pins for shear force measurement on cranes; regulation and speed sensing for electric cycles; torque measurement on high-speed wind turbine couplings; torque regulation on heavy-duty materials processing; and KERS torque measurement for Formula 1 motorsports.

Employing an effect known as inverse magnetostriction, the sensor determines torque and force at high bandwidths with high accuracy and fine resolution, where the magnetic properties of specially processed ferromagnetic object change in proportion to the mechanical forces acting upon it.

PCME technology comprises three key elements: a primary sensor, such as a torque-transmitting shaft, which is processed to generate a directional magnetic field pattern when the force to be measured is applied; a secondary sensor unit, which houses the measurement coils; and a third signal processing and conditioning module, which can be located at a distance from the sensing elements.

These elements are available as competitively priced integrated torque sensors in standard pillow block and torque meter designs with optional accuracy grades covering torques up to 3,000Nm, shaft speeds to 20,000rpm and bandwidth to 30kHz.

Alternatively, Ixthus can provide a complete design service in conjunction with NTC applications engineers to integrate PCME technology directly into customer’s components.

Ixthus claims that, due to PCME’s low complexity and space-saving features, the price-performance ratio for the complete component can be exceptionally high.

Other notable design characteristics of the PCME technology include insensitivity to bending and radial forces; operational temperature range from -40C to +250C; efficient power consumption of only 5mA; and long life/maintenance free operation with no corrosion and no contacting parts.

Ixthus Instrumentation

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