Extech 407730: Digital Sound Level Meter
40-130dB Meter featuring large LCD display with analog bargraph
The 407730 sound level meter measures from 40 to 130dB with an accuracy of 2dB. The digital display offers a 0.1dB resolution and features a fast responding analog bar graph. User can choose A or C weighting. Max Hold captures highest reading. Includes microphone wind screen and four AAA batteries.