Magnetic Rotate Speed Sensor M16x1.5 IP44 High Sensitivity Brass RPM Speed Transducer for Generator 50V Item Type: Magnetic Rotate Speed Sensor Material: Brass Model: SL M16x1.5 Operating Environment Temperature: -30℃ to 120℃ Maximum Inductive Voltage: 50V AC Maximum Tightening Torsion: 49Nm Installation Thread: M16-1.5x60mm Output Signal: Switch Type Protection Grade: IP44 Linearity: 5 (%F.S.) Hysteresis: 5 (%F.S.) Repeatability: 0 (%F.S.) Sensitivity: 100% Feature: This product is a magnetoelectric speed sensor, which installed near the flywheel of the engine, when the engine rotates, the speed sensor senses an AC signal, and its frequency is proportional to the engine speed. The speed sensor and tachometer are used together to measure the engine speed.