• Extech 407760  USB Sound Level Datalogger

Compact, High Accuracy Sound Level Datalogger with Tripod:

407760 Sound Level Datalogger can record up to 129,920 records and uses a USB interface for easy setup and data download. The datalogger meets ANSI and IEC 61672 Class 2 standards with a 1.4dB accuracy. Additional features include A and C weighting, Fast/Slow response time, and 2 start methods: programmed (from PC) or manual. Comes complete with software, tripod, USB extension cable, windscreen, and 3.6-Volt Lithium battery.


  • Designed to meet ANSI and IEC 61672 Class 2 standards
  • USB interface for easy setup and data download
  • 30 to 130dB range
  • Datalogging capability up to 129,920 records
  • Selectable data sampling rate: 50ms, 500ms, 1s, 2s, 5s, 10s, 60s
  • Records readings with real time clock
  • Two start methods: programmed (from PC) or manual
  • 0.5" electret microphone
  • Includes 3.6V Lithium battery, protective cap, USB extension cable, tripod, windscreen, and Windows® compatible software



Specifications                         Range
Range                                       30 to 130dB
Frequency Range                   31.5 to 8kHz
Basic accuracy                       ±1.4dB
Weighting                               A and C
Response Time                      Fast (125ms)/Slow (1s)
Datalogging                            129,920 points
PC Interface                           USB
Dimensions                            5.1 x 1.1 x 0.9" (130 x 30 x 25mm)
Weight                                   1oz (20g)


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Extech 407760 USB Sound Level Datalogger