Mounted on a resonance box, used as a sound source, fir determining the velocity of sound and for demonstrating the transmission and resonance of sound.
Frequency of 256Hz, error not more than 0.5Hz
Frequency of 512Hz, error not more than 0.8Hz
P10007-1, Frequency : F256 OR F512
P10007-2, MINI FORK,Frequency :F256
P10007-3, MINI FORK ,Frequency : F512