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40-130dB Meter Featuring Large LCD Display with Analog Bargraph
Extech Instruments 407730 Digital Sound Level Meter
Extech Instruments 407730 Digital Sound Level Meter
Extech Instruments 407730 Digital Sound Level Meter
Item# 90266
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  • ± 2dB accuracy with 0.1dB resolution
  • A and C weighting
  • AC analog output
  • Record Max/Min values over time
  • Auto power off and Max Hold functions
  • Utilizes 0.5in (12.7mm) condenser microphone
  • Tripod mountable
  • 40 to 130dB measuring range
  • Fast/slow response time
  • Tripod mountable

Essential Info

The 407730 measures and displays sound pressure levels in dB from 40 to 130dB. User selectable features include Frequency Weighting (ā€˜Aā€™ and ā€˜Cā€™), Response Time (Fast and Slow), Max Hold, and Max/Min recording. Careful use of this meter will provide years of reliable service.


What's Included

  • Sound Meter
  • 4 AAA Batteries
  • Microphone Windscreen

  • More Info

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


  • Display Counts 2000 count LCD
  • Range 40 to 130dB
  • Basic Accuracy ± 2dB
  • Condenser Microphone 0.5in (12.7mm)
  • Analog Output AC
  • Dimensions 9 x 2.2 x 1.7in (230 x 57 x 44mm)
  • Weight 5.6 oz (160g)

  • Important notes:
    Defective exchanges for identical item within 30 days of purchase. After 30 days, please contact the manufacturer.
    Manufacturer contact information: Extech Instruments Corp, Tel: (781) 890-7440 Ext 200


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