1-866-4 JJSTECH(1-866-455-7832)

  1. Home
  2. Extech
  3. Sound Meters
  4. Accessories
  5. Extech 407744 94dB Sound Calibrator

Extech 407744 94dB Sound Calibrator

Item #:
EXT-407744
Brand:
Extech
Extech 407744 94dB Sound Calibrator
$339.99
Qty

Discontinued

Ask a Question
Send This Page to a Friend
  • JJS Technical Services
  • JJS Technical Services
  • JJS Technical Services
  • JJS Technical Services
  • JJS Technical Services
  • JJS Technical Services
  • JJS Technical Services

Ask an Expert

Our tech experts are ready to help!

1-866-4 JJSTECH (1-866-455-7832)

Email Us
Share this product:
Extech 407744 94dB Sound Calibrator

Extech 407744 94dB Sound Calibrator

$339.99

Discontinued


407744 94dB Sound Calibrator by Extech

Features

  • 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
  • Battery test position with battery status LED indicates if battery is good
  • 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.8dB
Output signals 407744: 94dB
407766: 94dB and 114dB
Output signal accuracy 407744: ± 0.5dB;
407766: ± 0.5dB (94dB), ±1.0dB (114dB)
Output signal frequency 1 KHz sine wave
Accuracy of output signal frequency ± 5%
Compatible microphones size 0.5" microphones
Total Harmonic Distortion (THD) <2%@94dB (407744 and 407766)
<5%@114dB (407766)
Operating temperature 32 to 122°F (0 to 50°C)
Power supply Two (2) 9V batteries
Power consumption Approx. 10mA DC
Battery check Status LED
Dimensions 2.2" diameter x 5.6" length (50 x 127mm)
Weight 0.75 lbs. (340g)
Standards meets IEC 60942 1997-11 class 2
Standards Meets IEC 60942 1997-11 class 2

Questions & Answers

Reviews