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LVDTs suit applications requiring high-frequency response

21st February 2013


Linear variable displacement transformers (LVDTs) from RDP Electronics are said to be well suited for measurement applications requiring a high-frequency response. This ability to respond very quickly to rapidly changing mechanical movements is required for various applications - such as gun recoil tests, rapid component manufacture and suspension measurement.
 
The ability to achieve a high-frequency response combined with a long mechanical cycle life cannot be provided by other types of displacement sensors, according to RDP; those operating on digital principles may not be able to meet the response rate, while potentiometer types have a limited life. LVDTs, especially unguided types, are said to have an effectively infinite life, as well as the ability to respond to mechanical oscillations at up to 1 kHz. In order to provide digital sampling of an LVDT that is performing at its highest frequency, digital sampling rates of 100,000 per second would be considered appropriate.
 
For more information, visit www.rdpe.com








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