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Measurement systems for pistons rods

The union between hydraulic cylinder and position sensor leads to a simple system with a capacity for rapid response and accurate position and speed control signals, thus avoiding the need for mechanical adjustments. The selection of a specific device, depends on the precision required, cost and required life span.

STERN uses different measurement systems of which the most used are:

Magnetostrictive type: all non-contact systems with extremely high safety and durability.

  • High precision with adjustable output signal
  • Measuring range up to 10 meters
  • Can be supplied with different electrical output: analog, digital.

SPM system: non-contact type. One of the possible options forvery long cylinders. It is used only in ceramic or HVOF treatment surfaces in the rods.

Other options:

  • Inductive type
  • Potentiometric type
  • Laser type
  • Ultrasonic type
  • Sensor cable
  • Mechanical system type
  • Others ...