Sears
Extech 407766 94/114dB Sound Calibrator for 0.5" and 1" Microphones

Extech 407766 94/114dB Sound Calibrator for 0.5" and 1" Microphones

$520
1kHz 94/114dB professional sound calibrator for 0.5 or 1.0 microphones calibrates and verifies sound level meter operation. Level position switch to select 94dB or 114dB with power on LED indicator light. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB/114dB to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB). Meets IEC standard 60942 1997-11and comes complete with two 9V batteries, carrying case, and screwdriver.

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