Decibel Meter Sound Level Reader 30-130dB(A), Hand-held Sound Noise Meter with Backlight Alarm, Digital Noise Meter Decibel Monitoring Tester Calibrated Audio Noise Volume Measuring Instrument: Amazon.com: Industrial & Scientific
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Professional Decibel Meter With Backlight Display (9v Battery Included) 1 Pc Riilq | Fruugo IL
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Decibel Meter, Professional Digital Sound Level Meter Decibel With Backlit Display High Accuracy Measuring 30db-130db With Data Record Function | Fruugo IE
Virtual Sound Level Meter download | SourceForge.net