Class 2 114 dB Sound Level Calibrator for Noise Dosimeters and Occupational Sound Level Meters
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Digital Sound Level Meter Calibrator 94db & 114db For 1/2" And 1" Inch Microphone, Portable With Backlight, Calibration Tool - Sound Level Meters - AliExpress
Amazon.com: Sound Level Meter Acoustical Calibrator 94dB & 114dB output levels for 1 inch and 1/2 inch mic : Industrial & Scientific
SOUND.COM | Products | TEST AND MEASUREMENT HARDWARE | ISEMCON SC-1 MICROPHONE CALIBRATOR
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Sound Level Decibel Calibrator 94dB & 114dB Sound Pressure Level 1" and 1/2" Noise Decibel Tool Digital LCD Display with Backlight Function: Amazon.com: Industrial & Scientific
Digital Sound Level Meter Calibrator 94dB & 114dB for Accurate Decibel Measurement, Noise Check and Acoustic Calibration - 1/2" and 1" Microphone Compatible".: Amazon.com: Industrial & Scientific
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ND9B Digital Sound Level Meter Professional Calibrator Noise Decibel Tool 94dB & 114dB for 1/2" and 1" inch Microphone Calibrator: Amazon.com: Industrial & Scientific