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Class 1 Integrating Sound Level Meter Statistical Sound Decibel Meter Noise Level Meter with Range 25dB(A)~140dB(A) Self-generated Noise<18dB(A) Frequency Range 10 Hz~20 kHz RS232 USB Outputs
Class 1 Integrating Sound Level Meter Statistical Sound Decibel Meter Noise Level Meter with Range 25dB(A)~140dB(A) Self-generated Noise<18dB(A) Frequency Range 10 Hz~20 kHz RS232 USB Outputs