Extech 407766 94/114dB Sound Level Calibrator


Key Features:

  • Calibrates and verifies Sound Level Meter operation
  • LED indicator lights up when power is on
  • Level position to select 94dB or 114dB
  • For use on Sound Level Meters with 0.5" or 1.0" microphones
  • Durable die-cast, aluminum housing
  • 1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and ±0.8dB
Product Options:

Secured and trusted checkout with

The Extech 407766 Calibrates and verifies Sound Level Meter operation at 94dB & 11 dB with a +/-0.8dB Acuracy. Fits 0.5 and 1
  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)
Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account