The sensor are designed to be embedded into a hydraulic cylinder and utilize the gun-drilled piston rod as a target, sensing position without the need for a magnet. Ruggedness, ease of installation and the ability to simply set the end points in the field lower the cost of ownership without sacrificing accuracy . The units 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 blowout preventers, ROVs and relief valves. Featuring a 25 mm diameter 316 stainless steel housing, the sensors operate to 5200 psi or 12,000 feet (3000 m) depth. The 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. DC voltage or current analog outputs are available, and the company’s SenSet calibration feature 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 having to scale the sensor's basic output in an associated control system.
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Alliance Sensors Group
http://alliancesensors.com/
856.727.0250