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Acoustic calibrator - 114 dB , 1 000 Hz | QC-10
3M™ QC10 Calibrator 1 ea/cs is a general purpose calibrator. It delivers fast and accurate field calibration.For verification of meter accuracy in the field, a stable acoustic signal is generated by the calibrator at a controlled amplitude and frequency. A consistent sound pressure level of 114 dB is generated by QC10 at a fixed frequency of 1,000 Hz.