With extensive accessories; installation possible on all commercially available cylinders:
Magnetic proximity sensors
The magneto-resistive element is made of a special material which only reacts to magnetic fields, for example a permanent magnet, and provides a digital signal at the output. Detecting even very weak magnetic fields, the magneto-resistive element is approximately ten times more sensitive than a Hall element which enables a large switching distance. Magnetic proximity switches are omni-polar, meaning both North and South pole are being detected.
The permanent ring magnet integrated in the cylinder piston produces a magnetic field which penetrates all non-ferromagnetic materials. The cylinder sensor triggers when detecting the magnetic field. The sensor is installed and secured in a slot integrated in the cylinder. Mounting accessories as clamps or clips allow for sensor installation in any standard cylinder.