- Magnetic strip - The sensor contains magnetoresistive bridges which read information from the magnetic band which is transmitted to an electronic conversion circuit. - The P25 magnetic band, which contains a 2.5mm magnetic pole, comprises of A: A flexible magnetised plasto-ferrite band B: A metallic strip to provide protection against dirt and any risk of mechanical friction, this is recommended and should be installed by the customer C: A factory assembled corrosion resistant metal strip to be fixed in place on the machine or in the modular support - Other lengths available, please ask for details