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Extech Instruments / FLIR Systems - 407766 - Extech 407766 Sound Calibrator, 94/114dB, 1Hz, for 0.5" or 1.0" Microphones, 5% Accuracy, w/NIST

  • MFR SKU: 407766
  • ITEM #: 1950200
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ITEM #: 1950200
  • Calibrates and verifies Sound Level Meter operation
  • LED indicator lights up when power is on
  • Level position to select 94dB or 114dB
  • For use on Sound Level Meters with 0.5" or 1.0" microphones
  • Durable die-cast, aluminum housing
  • 1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and and ±0.5dB (94dB)/±1.0dB (114dB)


This 1kHz 94/114dB professional sound calibrator is for 0.5 in....
ITEM #: 1950200
  • Calibrates and verifies Sound Level Meter operation
  • LED indicator lights up when power is on
  • Level position to select 94dB or 114dB
  • For use on Sound Level Meters with 0.5" or 1.0" microphones
  • Durable die-cast, aluminum housing
  • 1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and and ±0.5dB (94dB)/±1.0dB (114dB)


This 1kHz 94/114dB professional sound calibrator is for 0.5 in. or 1 in. microphones. Calibrates and verifies sound level meter operation. Level position switch to select 94dB or 114dB with power on LED indicator light. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB/114dB to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB). Meets IEC standard 60942 1997-11. Comes complete with two 9V batteries, carrying case and screwdriver. Includes certificate traceable to NIST.
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Extech Instruments / FLIR Systems - 407766 - Extech 407766 Sound Calibrator, 94/114dB, 1Hz, for 0.5" or 1.0" Microphones, 5% Accuracy, w/NIST

  • Item #: 1950200
  • MFR SKU: 407766
  • Decibel (Db) Low Range (dB): 94
  • Decibel (Db) High Range (dB): 114
  • Accuracy: 5% Weighting: A, C Meter Class: Type 2 Function: Max Hold Length (in): 5 19/32
  • Length (cm): 14.22
  • Description: Dual Sound Lever Calibrator; 94 and 114 db

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