65b TES—53S NESM-201 Z) O.ldB Range: 30 1 30dB A& C Frequency Weighting Impulse/Fast/Slow time...
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65b TES—53S NESM-201 Z) O.ldB Range: 30 1 30dB A& C Frequency Weighting Impulse/Fast/Slow time weightings. 2000000 records Data logging CARD 4GB) USB interface Leq, SEC, SPL MAX,