BSWA309 噪音分析儀(Class 2) Class 2 1/1 Octave Sound Level Meter , with Type 2 micophone, with 4G microSD card, With carrying case, a 9-cm windscreen, 4 AA batteries, and calibration chart, Frequency Weighting of Parallel A, B, C, and Z
產品資料下載:BSWA_308-309_en_s.pdf
