USB Sound Level Data Logger


USB Sound Level Data Logger

The #DSM20 USB Sound Level Data Logger is ideal for monitoring and documenting environmental and industrial noise for compliance purposes. It's also handy for measuring and comparing decibel levels during sound system setups.


Best For:



  • One button starts/stops data logging without a PC—eliminating the need to bring your computer to the job site
  • Plug-and-play USB 2.0 interface; no need for cables, cradles or docks
  • Large storage capacity
  • LCD displays device status and real-time or min/max/avg session sound level
  • "A" or "C" frequency weighting
  • Fast or slow time weighting
  • Adjustable Hi and Lo alarm limits and data logging sampling time
  • Downloads logs in Excel format
  • Sophisticated PC software for analyzing and printing downloaded logs
  • Specifications


    • Measurement range/accuracy/resolution: 30 to 130dB/±1.5dB/0.1dB
    • Storage capacity: 32,000 data points
    • Operating temperature: 32° to 122°F (0° to 50°C) @ <95% RH
    • Weight (without battery): 2.01 oz. (57g)
    • Power source: #BA10 "1/2AA" non-rechargeable Li-ion battery (included)


    • PC interface/data logging software on mini-disc
    • Tripod stand
    • USB extension cable
    • Battery
    • 1-year limited warranty


    • 7.09 x 1.10 x 1.06 in. (180 x 28 x 27 mm)
    Prop 65

    ⚠ WARNING: This product can expose you to chemicals including di2-ethylhexylphthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to