Extech 407732-NIST Digital Sound Meter with NIST Calibration Certificate

Representative image only.
Extech Mfr # 407732-NIST – Item # EW-50509-78
  • Note: optional calibration only covers one instrument
  • 1 year warranty


$346.99USD / Each
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Time to recalibrate?
for an additional
$245.00USD / Each
for an additional
$317.00USD / Each


Specifications & Description

  • Decibel (Db) Low Range (dB)35
  • Decibel (Db) High Range (dB)130
  • Resolution (dB)0.1
  • Accuracy±1.5 dB
  • ResponseFast, Slow
  • WeightingA, C
  • Meter ClassType 2
  • FunctionData Hold, Max Hold
  • ComplianceANSI; IEC 651: type 2
  • DisplayLCD
  • Battery Type1 9V (included)
  • Height (in)8 1/5
  • Width (in)2 1/10
  • Depth (in)1 1/4
  • Height (cm)20.82
  • Width (cm)5.33
  • Depth (cm)3.18
  • IncludesMeter Kit with NIST-Traceable calibration
  • DescriptionDigital Sound Meter with NIST Cert
  • Warranty1 year
1 Year WarrantyConformite Europeenne


one 9V battery.

Key Features

  • Note: optional calibration only covers one instrument
  • 1 year warranty

More About this Item

Analog bargraph with 50dB range updates every 40 ms

  • ± 2dB accuracy with 0.1dB resolution
  • Range 40 to 130dB with ± 2 dB accuracy
  • Resolution 0.1 dB
  • A and C weighting selectable
  • Fast/slow response
  • AC analog output
  • Record max/min values over time
  • Auto power off and max hold functions
  • Tripod mountable (optional tripod EHTR100)
  • Dimensions / Weight 9x2.2x1.7'' / 7.6 oz
EH407732 Sound Level Meter with Backlit Display, meets ANSI and IEC 651 Type 2 standards
  • High 1.5dB accuracy with 0.1dB resolution






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