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.

â—† 40-130dB Meter featuring large LCD display with analog bargraph.

◆ ±2dB accuracy with 0.1dB resolution.

â—† A+C weighting.

â—† AC analog output.

â—† Record Max/Min values over time

â—† Utilizes 0.5"(12.7mm) electret condenser microphone