Extech 407750 Integrating Sound Meter with RS-232

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Extech Mfr # 407750 – Item # EW-40425-00
Background-noise absorber filters ambient sounds for accurate machine-noise measurements
  • 1 year warranty


$304.99USD / Each
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$245.00USD / Each
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Specifications & Description

  • Decibel (Db) Low Range (dB)30
  • Decibel (Db) High Range (dB)130
  • Resolution (dB)0.1
  • Accuracy±1.5 dB
  • WeightingA, C
  • Sampling Rate160 milliseconds (LCD); 40 milliseconds (bar graph)
  • Meter ClassType 2
  • FunctionFast/Slow, Min/Max Hold, Dose; background noise absorber mode
  • ComplianceANSI S1.4-1983: type 2; IEC 651: type 2
  • OutputAnalog, RS-232
  • Display3.5-digit LCD (backlit with analog bargraph)
  • Battery Type1 9V (included)
  • Height (in)10
  • Width (in)3 1/8
  • Depth (in)1 1/2
  • Height (cm)25.4
  • Width (cm)7.9
  • Depth (cm)3.8
  • IncludesMeter only
  • DescriptionIntegrating Sound Meter with RS-232
  • Warranty1 year
1 Year Warranty


microphone windscreen, carrying case, and one 9 V battery. 

Key Features

  • 1 year warranty

More About this Item

Meter features six sound level ranges, analog bar graph, and RS-232 interface for capturing data directly on your PC (order software separately). Use the selectable backlit display for easy readability in low kight conditions. What''s included: microphone windscreen, carrying case, and one 9 V battery. Compliance: ANSI S1.4-1983 Type 2, IEC 651 Type 2





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