Easily measure the RPM of a brushless motor with the Graupner RPM BL Phase Sensor. Simply connect the sensor wire to one motor lead and then to the applicable module!
Designed to be compatible with the General Air Module (P/N 33611), the Electric Air Module (P/N 33620) and the General Engine Module (P/N 33610).
When using an Electric Air Module, you will require an Electric Air Module RPM Sensor Adaptor (P/N S8364, sold separately).
(not including connectors)