Extech Sound Level Calibrators for 0.5" or 1.0" Microphones

Calibrates and verifies sound level meter operation
  • For use on sound level meters with 0.5" or 1.0" microphones
  • Total Harmonic Distortion (THD) <2% at 94dB
  • Meets IEC standard 60942 1997-11
  • Complete with two 9V batteries, carrying case, and screwdriver
Use with sound meters featuring a 0.5" to 1.0" (12.7 to 25.4 mm) microphone. These calibrators have durable die-cast aluminum housing.
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Compareitem specifications
Decibel (Db) High Range (dB) Decibel (Db) Low Range (dB) Meter Class
Availability Pricing
Extech 407766 Dual Sound Lever Calibrator; 94 and 114 db EW-01618-60 Mfr # 407766
114 94 Type 2
$457.99USD / Each
Extech 407744 Sound Level Calibrator, 94db EW-50509-86 Mfr # 407744
94 94 Type 2
$364.99USD / Each
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