Discovers The Risks Which Are &
Not Visible To Human Eyes


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.
•    ±2dB accuracy with 0.1dB resolution
•    A+C weighting
•    AC analog output
•    Record Max/Min values over time
•    Utilizes 0.5"(12.7mm) electret condenser microphone

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