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Extech 407744 94dB Sound Calibrator

item#: EXT094

The Extech 407744 94dB Sound Calibrator is for use with all of Extech's sound meters; it calibrates and verifies sound level meter operation. This professional calibrator for 0.5" or 1.0" microphones comes in a durable, die-cast, aluminum housing to ensure it will stand up to wear and tear from constant use in the field. Scroll down to see more Extech 407744 sound calibrator features and specifications.

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Model

The Extech 407744 94dB Sound Calibrator is available with standard factory calibration or with NIST Calibration Certification (adds 5 days to product lead time).

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  • Details

The Extech 407744 94dB Sound Calibrator calibrates and verifies sound level meter operation and meets IEC standard 60942 1997-11.

Features - Extech 407744 94dB Sound Calibrator

  • 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and 0.8dB
  • For use on sound level meters with 0.5" or 1.0" microphones
  • Total Harmonic Distortion (THD) is less than 2% at 94dB
  • Battery test position with battery status LED indicates if battery is good

Technical Specifications

Frequency Range: 1000 Hz
Accuracy: 5%
Sound Pressure Level Range: 94 dB
Accuracy: 0.5dB
Operating Temperature 32 to 122F (0 to 50C)
Power Supply 2 heavy duty, alkaline 9V batteries
Dimensions 2.2" diameter x 5.6" L
Weight 0.75 lbs


Customer Reviews

Extech 407744 94dB Sound Calibrator
$309.99
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