Environmental Sensors Ltd have kindly offered a new Internet of Things based Convergent Instruments sound level meter for testing. The microphone which is based on MEMS technology make this environmental meter a much cheaper solution than traditional sound meters. Current tests show the meter calibrates well, has good frequency response (using 24 kHz sampling) and has a noise floor of 32 dBA. More tests to come!
Monday 25 January 2021
Testing a new IoT Environmental Noise Meter
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