Which type of frequency measuring instrument has multiple reeds of different natural frequency to measure vibrations?

Name: Which type of frequency measuring instrument has multiple reeds of different natural frequency to measure vibrations?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Frahm Tachometer uses multiple reeds of different natural frequencies to measure vibrations. Each reed vibrates at its own natural frequency, allowing for the measurement of a range of frequencies by observing which reed is vibrating.

Which Type of Frequency Measuring Instrument Has Multiple Reeds of Different