Rugged magnetostrictive transducers give absolute position measurement

The rugged construction of RDP Electronics Ltd’s MTS R Series analogue transducers make them well suited to a wide range of industrial applications which require a direct analogue output for continuous measurement of displacement and speed.

The magnetostrictive principle permits absolute, contact free position measurement combining various magneto-mechanical effects with precise speed measurement of an ultrasonic wave. Integral signal processing electronics accommodated in the sensor head can be selected for a range of standard analogue outputs; 0 to 10V, ±10V, 4 to 20mA and 0 to 20mA. In addition there is the option for user configurable variations, for example to set to 1 to 9V over a portion of the nominal measuring range. Unlike many types of encoder, thanks to absolute output, information is not lost on power down. With linearity of ±0.01% FS (±50µm best) and 16 bit resolution of 0.0015% (or 1µm best), the R Series provides great accuracy and repeatability of measurement. An inexpensive hand-held programming device allows simple reconfiguration to be achieved.

Further information and guidance on specifying magnetostrictive transducers can be obtained from the RDP engineering support team on 01902 457512 or viewed online at http://www.rdpe.com/pdfs/mts/mts19.pdf.

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