RPM Sensor

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The RPM sensor is an accessory of the high voltage speed controller.FunctionIt detects the voltage changes at the wires of brushless motor, and then outputs the RPM signal. This RP M sensor can work with some speed control systems for helicopters. And one of its typical applications is to work as the RPM sensor for V-Bar system made by Mikado.Specifications: Size: 23mm(L)*10mm(w)*2mm(H) Weight: 6g (Input and output wires are included) Working voltage: 3.5V to 8.4V(1S to 2S Lipo) Current: 1 to 5mA Voltage range of the motor wires: 2 to 14S Lipo RPM range (for 2 poles brushless motor): 1000rpm to 300000rpm Show more