Extech 407744-NIST from Extech
  • Extech 407744-NIST from Extech

Extech 407744-NIST

EX11003905E4
Extech

94dB Sound Calibrator 1kHz Professional Calibrator with NIST Calibration

$398
Quantity

Description

The Extech 407744-NIST 1kHz, 94dB professional sound calibrator for 0.5" or 1.0" microphones calibrates and verifies sound level meter operation. Battery test position with battery status LED indicates if battery is good. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB to an accuracy of 5% (frequency) and ±0.5dB (94dB). Meets IEC standard 60942 1997-11. With NIST Calibration.

  • Battery test position with battery status LED indicates if battery is good
  • For use on Sound Level Meters with 0.5" or 1.0" microphones
  • 1 kHz sine wave at 94 dB and 114 dB (model 407766) is generated to an accuracy of 5% (frequency) and ±0.8 dB
  • Total Harmonic Distortion (THD) <2 % at 94 dB
  • NIST Calibration
Product Details
EX11003905E4
  • 1 - NIST Certificate of Calibration
  • 2 - 9V Batteries
  • 1 - Carrying Case
  • 1 - Screwdriver
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