Alliance Sensors announces SS-7 LVIT Inductive Linear Sensors | Automation.com

Alliance Sensors announces SS-7 LVIT Inductive Linear Sensors

February 262015
Alliance Sensors announces SS-7 LVIT Inductive Linear Sensors

February 26, 2015 -  Alliance Sensors announces SS-7 series LVIT (Linear Variable Inductive Transducer) designed for subsea environments and the demands of oil and gas exploration.

The SS-7 is designed to be embedded into a hydraulic cylinder and utilizes the gun-drilled piston rod as a target, sensing its position without the need for a magnet. The SS-7 series can be submerged to a depth of 12,000 ft or installed in a PBOF (pressure balanced oil filled) chamber to provide position feedback on Blow Out preventers, ROVs and relief valves.

Features:

  • Uses Piston Rod as target
  • 316 Stainless Steel 25mm diameter housing
  • Measurement ranges from 1 to 24 inches (25 to 600 mm)
  • Operates to 5200 psi or 12,000 feet (3000 m) depth
  • Contactless; no wear-out
  • DC voltage or current analog output
  • SenSet Field Adjustable Scaling

SS-7 sensors use a simple coil design rather than “time-of-flight” technology or resistive film. They are based on contactless LVIT inductive sensing technology that employs a solid probe construction style which requires only a simple conductive tubular target or a small diameter gun drilled hole in the cylinder rod for operation rather than needing a permanent magnet ring or some other type of special target.

The SS-7 can withstand intense shock and vibration, and operating temperatures up to 105 C with the extended range option. The 1-inch (25.4 mm) diameter sensor head is compact making efficient use of space, mounting with a common male o-ring SAE-8 port threads, and has an excellent stroke-to-length ratio.

The SS-7 and all ASG LVITs are offered with ASG's SenSet calibration feature that permits the user to match the analog output of the sensor to the motion of the actuator or cylinder on a stand-alone basis rather than the user having to scale the sensor's basic output in an associated control system.

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