Industrial noise decibel sound detection module sensor.
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Second, the function and characteristics
nPCBThe onboard installations.
n30 ~ 120 dbaWide range,20 ~ 12.5 KHzWide frequency measurement.
nUsing high-performance pre-polarization back electret condenser microphone, wide dynamic range, stable performance.
nOutput interfaceTTLorThe RS - 485.The factory is optional.
nWith two kinds of slow and fast measurement mode, meet the requirements of different customers.
nPower supply4.5 V ~ 5.5 VDC,10 ~ 28 VDCOptional.
Third, main technical parameters
Four, product selection
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Industrial noise decibel sound...