Sound Level Meter Class 1 Details: Detailed Product Description  · Pocket real-time noise signal analyzer  · IEC61672 class 1  · Statistical, 1/ 1OCT, 1/ 3 OCT analysis  · Recording, SD card....
Noise Dosimeter Details: Detailed Product Description 1.Small size and light weight 2.Fit on shoulder or wrist 3.Measuring noise exposure 4.Comply with hearing protction standard Using ARM....