Reference: Lab Experiments Journal vol-12, No.1, Page-55
Helmholtz resonator
Model: DHR-201
Experiment(s):
Verification of Helmholtz law
Determination of volume of the resonator
Specifications
1. Helmholtz resonator on stand
Speaker and microphone arrangement directed into container Frequency response: 20 Hz to 16 KHz Volume: 250 ml
2. Digital tuning fork
Alternate to manual tuning fork, Frequency: Variable Amplitude: Fixed Output: fed to speaker, up to 85 dB Rated Input: 220 V/50 Hz or 110 V/60 Hz Power consumption: <30 W
3. Relative sound intensity meter
Input: From the microphone Built-in amplifier for conditioning microphone signal Output: Display of relative sound intensity