Extech 407744 94dB Sound Calibrator

$701.32

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Extech 407744 94dB Sound Calibrator

Features

  • 407744 1kHz Sound Level Calibrator
  • Calibrates and verifies Sound Level Meter operation
  • For use on Sound Level Meters with 0.5" or 1.0" microphones
  • Durable die-cast, aluminum housing
  • Total Harmonic Distortion (THD) <2% at 94dB
  • 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
Extech 407744 1kHz Sound Level Calibrator.

94dB Sound Calibrator
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.

Other Features
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.

Specifications

Specifications: Range Accuracy
Frequency 1000 Hz ±5%
Sound Pressure Level 94 dB (407744); 94dB/114dB (407766) ±0.5dB (94dB), ±1dB (114dB)
Distortion <2% Total Harmonic Distortion (THD)  
Operating Temperature 32 to 122°F (0 to 50°C)  
Power Supply Two Heavy duty, alkaline 9V Battery  
Power consumption Approx. 10mA DC  
Dimensions 2.2" diameter x 5.6" long (50 x 127mm)  
Weight 0.75 lbs.(340g)  

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    • Extech 407744 94dB Sound Calibrator