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Decibel Meter Data Logger Professional Sound Level Meter High Accuracy Noise Meter with 30dB to130dB Measuring Range& Data Record Function for Classroom, Workshop, Home, etc.: Amazon.com: Industrial & Scientific
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MeterTo Digital LCD Sound Level Meter ET-956 Noise Meter Range 30dB~130dB 31.5Hz~8kHz Resolution 0.1dB A & C Weighting USB PC Monitoring: Amazon.com: Industrial & Scientific
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Amazon.com: Pyle Digital Handheld Sound Level Meter - Meter Automatic with A and C Frequency Weighting for Musicians and Sound Audio Professionals, 9V Battery Type - Pyle SPL25, Red/Black (PSPL25) : Industrial
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