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SLM25TK Sound Level Meter with Data Logging Function Measure 30dB~130dB and CD Software - Tekcoplus Ltd.
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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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SLM25TK Sound Level Meter with Data Logging Function Measure 30dB~130dB and CD Software - Tekcoplus Ltd.
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