DYNT 10000 Series Magnetic 5/8-18 Pickup, 2-1/8 in Insertion Depth, 3.6V Output Voltage, 250 Ohms Maximum Resistance, -100°F to +225°F Temperature Range Features: • Magnetic pickup (MPUs) is speed sensor that detect the speed of a prime mover, typically an engine or turbine. • They are the communication link between your engine and a Woodward electronic governor control. The MPU is installed next to a drive shaft gear made of a material that reacts to a magnetic field. As each gear tooth passes the MPU, the gear interrupts the MPU's magnetic field, and an alternating voltage is developed. • The frequency of this voltage is translated by the speed control into a signal that accurately depicts the speed of the prime mover.