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Linear Position Sensors

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Presentation on theme: "Linear Position Sensors"— Presentation transcript:

1 Linear Position Sensors
Hydraulic Cylinder and Piston Accumulator Solutions Linear Position Sensors Control Products, Inc Ridgedale Avenue, East Hanover, NJ

2 Principle of Operation
The Linear-to-rotary-to-Linear sensor core extends the sensing range of relatively short-range sensors to the long strokes of large hydraulic cylinders. We have chosen two primary sensor technologies, Linear Variable Differential Transformer (LVDT, as shown on left) and Magnetostrictive sensors. Both are mature, highly developed, and extremely accurate. Each brings unique capabilities to address long stroke hydraulic cylinder position sensing in any environment.

3 Internal mount units are easily integrated into cylinder end caps, and benefit from the complete protection of the hydraulic cylinder. Sensors operate in virtually any fluid, highly resistant to shock and vibration. With the addition of magnetostrictive-based units, sensors can be easily deployed in subsea applications. Eliminates need for gun drilling One sensor works for any stroke length within sensor range Standard units: 1M, 3M, 7M, 10M (larger units available) Outputs include various analog, SSI, CANbus IS ratings available Easily installs into virtually any cylinder, including telescoping

4 Magnetostrictive sensors bring a fully integrated solution, with on-board signal conditioning, high pressure connection, and available subsea rated connectors. Installation of the draw wire is via 4 mounting bolts through the pressure vessel wall. The magnetostrictive sensor mounting is through a standard fluid port and passes through the draw wire core, which houses the magnet.

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6 Example of Telescoping Cylinder Installation

7 External mount sensors represent the easiest hydraulic cylinder sensor installation in the world. What we’ve done is simply mount our SL Series sensor core into a pressure vessel, which can be remote mounted. The cable passes through a conduit made from standard hydraulic hose, which attaches to a #8 SAE O-ring port. The cable connector (pictured below) screws into a 5/16 blind hole in your piston rod or accumulator piston. The standard cable attachment shown incorporates an internal shock absorber to prevent cable breakage due to rapid piston acceleration

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