Portable Digital Sound Level Meter — 30~130dB Noise Decibel Monitor, Accurate DB Measurement

Handheld digital sound level meter for monitoring ambient noise from 30~130dB with a noise accuracy of +-2.0dB. Frequency response spans 31.5Hz~8KHz to capture a wide audio band. Dynamic operation includes FAST and SLOW reaction speeds, and the device provides A/C dual weighted measurement for selectable weighting options.