LVDTs offer reliable piston position measurement
RDP Electronics has announced a range of LVDTs that can be used to measure the piston position of hydraulic cylinders.
For situations where it is not possible to fit RDP Temposonics magnetostrictive-type transducers within the cylinder, an alternative approach is to attach an LVDT externally, in parallel with the piston.
Fitted in this way the LVDT can follow and measure the displacement of the piston.
RDP said that these LVDTs are durable, reliable and accurate in a wide range of operating environments.
Appropriately specified LVDTs can be used submerged and even tolerate exposure to corrosive liquids.

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