Скачать или смотреть How To: Calibrate your Sound Level Meter

Calibration is vital in ensuring that your sound level meter is in proper working condition when measuring noise. For the purpose of this video, we'll be using the R8080 Sound Level Meter and the R8090 Sound Level Calibrator. These steps will work for most sound level meters.

The steps start at 0:25 -

Step 1: Place the calibrator over the sound level microphone - 0:25
Step 2: Turn the calibrator on to generate the required tone; normally 94dB - 0:32
Step 3: Enter the calibration mode of your sound level meter - 0:38
Step 4: Adjust the dB level to match sound calibrator output - 0:45
Step 5: Save and exit mode to complete calibration - 0:51

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