Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Professional Noise Decibel Calibration Tool Measurement Accuracy Check

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About This SIMPLE OPERATION : With only 3 buttons: 94dB, 114dB and Power On/Off Button. Simply power on the calibrator, select 94dB or 114dB level, and it's ready to go! CLEAR DIGI TAL DISPLAY: Digital display shows the chosen dB level clearly with Backlight. Avoid making careless mistakes comparing with traditional power switching buttons. PORTABLE: Lightweight and small size. Handy sound source for quick and easy calibration of sound level meters and sound measuring systems. SUITABLE FOR 1/2" and 1" MICROPHONE SIZE 1/2" transducer cap (adaptor) is inserted on the calibrator, simply remove the cap to calibrate sound level meters with 1" Microphone PROFESSIONAL: Conforms to IEC60942 (IEC942) class 1 standard. Solid design provides accurate and reliable performance, suitable for personal, field and laboratory use. Show more