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RPM measurement

Smarter motor RPM measurement

Measuring motor speed isn’t always straightforward, especially when the shaft is hidden or contact sensors aren’t an option. Using FFT-based rotational speed analysis, motor RPM can be extracted directly from sound or vibration signals. That means:

🔹Non-contact measurement
🔹No reflective marks or mechanical modifications
🔹Works during acceleration and speed fluctuation
🔹Ideal for embedded or enclosed motors

RPM measurement with ONO Sokki solutions

Advanced solutions from ONO SOKKI show how frequency-domain analysis can deliver accurate, reliable motor speed data, even in challenging test environments.

A great example of how signal processing keeps motor testing both simple and precise.

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