Ideal for a variety of demonstrations, this affordable digital strobe features nine flashing LEDs that can be tuned from 1 to 255 Hz with +/- 2% accuracy. You can use it with a tuning fork or rotating fan blade and amaze your students by appearing to stop their motion. It's also perfect for demonstrating and determining the frequency of standing waves. You can calculate the wave speed using the wavelength and frequency then compare the results to the theoretical speed calculations using string density and tension. Four AA batteries included. Measures 5.5" x 2.5".
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.
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