3B Scientific Microphone - Manual (Page 2)

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Subject to technical amendments
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6. Sample experiment
Measuring the sound wave from a tuning fork
Equipment needed:
1 3B NETlog TM module U11300
1 Microphone U11367
1 Tuning fork 440 Hz, on
resonance box
U10121
Fig. 1: Measuring the sound wave of a tuning fork
• Mount the 440 Hz tuning fork on the resonance
box and position the microphone in front of
the resonance box’s sound hole.
• Select an analog input on the 3B NETlog TM
module and activate the tuning fork experi-
ment (template) in the 3B NETlab
TM software.
This provides all the necessary output settings.
• Conduct and analyse the experiment.
Fig. 2: Amplitude of sound wave from a tuning fork as a
function of time