This app detects the RPM of an electric motor based on the sound or vibration it makes, and from the RPM it calculates the percent of full load on the motor. This app does n...展开

This app detects the RPM of an electric motor based on the sound or vibration it makes, and from the RPM it calculates the percent of full load on the motor. This app does not work with all electric motors. This app only works if the motor is making a clear tonal sound or vibration whose pitch is…收起

This app has been updated by Apple to use the latest Apple signing certificate. * iOS sound compatibility issue fixed. * Configuration for harmonics of motor sound added. * Signal analysis algorithm improvement for higher accuracy in RPM measurements. * Improved help pages.