Aluminum Alloy Material: The measuring sensor is constructed from high-quality aluminum alloy with high strength, which ensures its durability and reliability in various operating conditions IP44 Protection: This generator speed transducer is rated at IP44 protection, indicating its capability to adapt to a wide range of working environments while offering a degree of protection against solid objects and water splashes When the engine rotates, the speed sensor senses an AC , and its frequency is proportional to the engine speed. Package List: 1 x Magnetic Rotate Speed Sensor 2 x Terminal Free delivery and returns on all eligible orders. Shop Fictory Magnetic Rotate Speed Sensor Fictory Magnetic Rotate Speed Sensor, M16 Thread , IP44 Protection , Generator RPM Speed Sensor, 50V, Rotation Speed Transducer Magnetic Rotate Speed Sensor M16 Thread IP44 Protection Generator RPM High Sensitivity Speed Sensor 50V Generator Parts It is described as sensitive and highly reliable in its operation This ensures smooth transmission of the speed data Specification: Item Type: Magnetic Rotate Speed Sensor Material: Aluminum Alloy Model: ZL M16 Operating Environment Temperature: -30℃ to 120℃ Maximum Induced Voltage: 50V AC Maximum Tightening Torsion: 49Nm Installation Thread: M16 Output : Switch Type Protection Grade: IP44 Linearity: 5 (%F.S.) Hysteresis: 5 (%F.S.) Repeatability: 0 (%F.S.