• ±2dB accuracy with 0.1dB resolution
  • A&C weighting
  • AC analog output
  • Record max/min values over time
  • Auto power off and max hold functions
  • Utilizes 0.5" (12.7mm) condenser microphone
  • Tripod mountable
  • 40 to 130dB measuring range
  • Fast/slow response time
  • Tripod mountable

What's in the Box

  • 4 AAA batteries
  • Microphone windscreen


The Extech 407730 digital sound level meter has a 40 to 130dB measuring range and features an analog bargraph (30dB). It updates every 40ms for viewing varying trends. Features of the Extech 407730 include ±2dB accuracy with 0.1dB resolution, A&C weighting, and AC analog output.

Applications for the Extech 407730 Digital Sound Level Meter:

  • Monitoring workplace machinery
  • Installing audio and alarm systems
  • Product noise certification and reduction

In Stock

Part Number Price Available
$99.99 3 in stock

Manufacturer Stock

This stock is typically available to ship in 3 - 5 working days.

Part Number Price Available
$99.99 11 in stock

Interested in Other Part Numbers?

Other part numbers are available to order but are not currently in stock. Current availability for non-stock parts is "Limited to in-stock inventory". Click here to select options