Data Harvest 1145 Manual - Page 12

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Practical Investigations

The Smart Wireless Sound Level Sensor can be used to investigate a number of scientific experiments

such as:



Animal Activity Studies



Field Studies



Road Safety



Ear Design



Noise Pollution



Sound Insulation



Sound Decay



Sound Frequency

Tuning forks with 3 different frequencies 192 (green line), 256 (red line) and 512 (blue line)

recorded with a 50 µs interval for 20 ms with the Y axis set to the Min to Max scale.



Investigating waves, superposition and Fourier transforms



Interference in sound waves



Amplitude and Frequency



Speed of Sound by measuring a reflected pulse

Please note: It is not possible to conduct Speed of Sound experiments that measure sound

travelling from one Sound sensor to another Sound sensor. If two Bluetooth or USB

connections are made the maximum number of samples per second reduces to 50 (interval

of 20 ms) which is not fast enough to capture this event.



Air Resonance



Resonance in a pipe



Sound Waves: monitoring the effect of altering frequency and amplitude, waveforms of musical

instruments, beat patterns



Voice recognition – the sounding of a single letter using a fast recording time

Online Videos

Learn how to use data logging in the classroom with our Secondary Science Academy demonstration

videos, which will walk you through using the new EasySense2 app and show you how to get hands-on

with the latest Bluetooth wireless sensors. The video experiments will show you how to get the best out

of your science lessons.

New online content is being continuously uploaded onto our YouTube channel, including practical

worksheets as well as videos.

See our website for further information and links.

Explore Bluetooth Sensors

Are you looking to make the jump to our smart

wireless sensors? Or have you recently purchased

them and want to know more about how they

work?

View video playlist

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1145 - Wireless Sound Level Sensor