Sound Calibrator Explains Measurement Microphone Calibration

The article explains that a sound calibrator does not truly “calibrate” a measurement microphone, but instead serves as an on-site verification tool. It generates a known, stable sound pressure level at a specific frequency to check whether the entire measurement chain is reading correctly. While a calibrator can reveal drift or errors in the system, it cannot adjust or repair the microphone itself. True microphone calibration requires controlled laboratory procedures with traceable standards. Distinguishing between on-site verification and formal laboratory calibration is essential for accurate and reliable acoustic measurements.

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