详细说明
Product Name: Sound Level Meter, Noise Meter, with USB Computer Interface (BE844) Model NO.: BE844 Measuring Level: 30-130dB (a) , 35-130dB (C) Recording Date Into Your PC: with Software CD & USB Cable Data Record Function: 4700 Level Ranges: 50-100dB ;60-110dB ;80-130dB&Nbsp; Accuracy: