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Article | January 31, 2009
TURCK, Inc: Magnetic field sensor
Turck’s compact WIM45 magnetic field sensor provides a direct analog output for determining the position of a piston magnet on all types of pneumatic cylinders.
This feature provides accurate indirect analog monitoring with potentiometers or linear position systems. The WIM45 detects the position of a piston on standard pneumatic cylinders by utilizing a series of Hall elements, which sense the piston magnet and send a signal back to the processor. Users can reverse the sensor’s analog output slope by rotating the sensor 180 degrees. This eliminates the need for two separate sensors and helps streamline the production process. The WIM45’s immunity to EMC exceeds IEC EN 60947-5-2 and EN 61000-4-6 standards. Housing size is 72 mm long and 5 mm wide. Sensor’s mounting system ensures stability during operation. Two pre-fixed tips are located on each end of the sensor to help seat the sensor in the T-groove until the screw is tightened. This ensures easy, single-handed mounting—even while the sensor is upside-down. Screws are made with a tool steel alloy for stability and resistance to vibration under harsh conditions.
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