Lutron SL-4012 Sound Level Meter, Auto Range RS232/USB
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\nSOUND LEVEL METER, Auto Range & RS-232\nModel : SL-4012\n* 30 - 130 dB, Auto range, Manual range.\n* Frequency & time weighting, IEC 61672 class 2.\n* A & C frequency weighting.\n* Fast / Slow time weighting, Data hold.\n* Peak hold, Memory (max., min.).\n* AC output & RS-232/USB computer interface.\n* Size : 268 x 68 x 29 mm.\n
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