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Extech 407736: Dual Range Sound Level Meter

Sound level meter with ±1.5dB accuracy meets Type 2 standards

This Sound Level Meter measures from 35 to 130dB with a 1.5dB accuracy and meets ANSI and IEC Type 2 standards. It features fast/slow response time, A/C Weighting, Max Hold, and analog AC/DC output for connection to an analyzer or recorder. Comes complete with microphone wind screen, 9-Volt battery, and carrying case.



  • Provides 1.5dB accuracy
  • Meets ANSI and IEC 651 Type 2 standards
  • Two measuring ranges: 35 to 90dB (Low) and 75 to 130dB (High)
  • Max Hold with reset button
  • Built-in calibration check (94dB)
  • Analog AC/DC outputs for connection to an analyzer or recorder
  • Tripod mount ideal for field use


Specifications Range
Sound Range (dB) Low: 35 to 90dB; High: 75 to 130dB
Basic Accuracy ±1.5dB (Type 2)
Weighting (A&C) Yes
Response Time (Fast/Slow) Yes
Condenser Microphone 0.5″ (12.7mm)
Analog Output AC/DC
Dimensions 9.5×2.7×1″ (241x69x25mm)
Weight 7.6oz (215g)


  • TR100 – Compact Tripod
  • 407766 – 94/114dB Sound Calibrator
  • 407744 – 94dB Sound Calibrator


407736 English Datasheet

407736 English User’s Manual

407736 CE Declaration of Conformity