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Rotary position sensors offer output range up to 120°

Posted: 11 Aug 2010     Print Version  Bookmark and Share

Keywords:rotary sensor  shaft movement  position sensing 

RSE 1500

Macro Sensors debuts the RSE 1500 series of rotary position sensors that provide absolute output proportional to shaft rotation over a total range of up 120°. These offer measurement of the position of quarter-turn valves, flue dampers, weir gates, dancer arm tensioners, and a myriad of other applications involving fractional-turn shaft movements. These DC-operated rotary position sensors also target high reliability applications such as pedal, throttle-lever, or actuator position sensing in aircraft, marine, construction, and agricultural vehicles.

Although their shafts can rotate a full 360°, the RSE 1500 Series Rotary RVDT Position Sensors measure shaft angle position over a nominal range of 120°. Sensors can operate in 0° to 30°, 60°, 90°, or 120° rotation ranges. Contactless inductive technology enables these rotary position sensors to offer high accuracy and repeatability with exceptional reliability. Units exhibit a linearity error of less than 0.10 per cent of full range output while operating over temperatures from -20°C to 85°C.

The RSE 1500 series rotary RVDT position sensors utilise built-in electronics to offer a DC input/output configuration. Operating from a nominal 24V DC power supply, units supply a true 0-to-10V DC output. The absolute output characteristic makes the RSE 1500 series superior to incremental output sensors like optical encoders that lose their position information in the event of a power failure. Built for long life, units are enclosed in a 38.10mm (1-1/2inch) diameter anodized aluminium shell and have a 6.35mm (0.25inch) stainless steel shaft running in high performance ball bearings. The aluminium-mounting flange has a 19.05mm (0.75inch) diameter centre pilot for locating centrally in a fixture. Units are also environmentally sealed to IEC IP-66.

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