User Manual Q&AAnswer
Mar 29, 2025 - 01:15 PM
To calibrate the PCE Instruments PCE-MSM 4 Sound Level Meter, you will need a suitable sound level calibrator with a ½ inch opening for microphones. Follow these steps for calibration:
1. Adjust the device to the following settings:
- Frequency weighing: A
- Sampling rate: FAST
- Measuring range: 50 … 100 dB
2. Put the end of the microphone in the ½ inch opening of the calibrator. Ensure that the output signal of the calibrator lies within the set measuring range (e.g., 94 dB @ 1 kHz).
3. Turn on the calibrator and use the potentiometer on the side of the sound level meter to adjust the displayed value to match the output signal of the calibrator (e.g., 94.0 dB).
Please note that the sound level meter comes with a factory calibration. It is recommended to calibrate it once a year.
For more information and detailed instructions, refer to the "Calibration" section of the PCE Instruments PCE-MSM 4 Sound Level Meter User Manual.
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