The magnetostrictive position sensor is a high precision displacement measurement sensor, using magnetostrictive principle to develop it, using non contact measurement, long service life, strong adaptation to the environment, does not require regular calibration and maintenance; the sensor is for the absolute output, restart without zero; has the advantages of high precision, high stability, high reliability and high reproducibility etc. technical characteristics; support the current, voltage, SSI, Modbus etc variety of output mode, widely used in petroleum, chemical, steel, port, machinery and food etc. high demandingness industrial applications, high precision displacement control is preferred.