The AMT/YP-JSML oil metal abrasive sensor adopts the principle of four coil electromagnetic induction, integrates high-precision signal sampling and processing units internally, and combines with built-in algorithms to achieve real-time monitoring of ferromagnetic and non-magnetic abrasive indicators in the oil circuit. Most mechanical failures are caused by mechanical wear and tear. Among the failure forms of mechanical equipment parts, metal abrasive particles account for more than 70% of wear and tear failures. The particles generated by wear in the equipment oil circuit can truly reflect the wear situation of the equipment. Lubricating oil debris reflects the health status of equipment and is also an important basis for diagnosing and predicting equipment failures. Applied to hydraulic systems, gearboxes, diesel units, turbine units, air compressors and other equipment, suitable for various oil products such as hydraulic oil, gear oil, transformer oil, turbine oil, diesel engine oil, aviation fuel, kerosene, gasoline, etc.