94/114dB Sound Calibrator - 1kHz Professional Calibrator for 0.5" or 1.0" Microphones
Extech 407766 - Extech Instruments Corporation
This 1kHz 94/114dB professional sound calibrator is for 0.5 in. or 1 in. 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 1997-11. Comes complete with two 9V batteries, carrying case and screwdriver.
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product
Sound Level Meters
Extech Instruments Corporation
*Calibrates and verifies Sound Level Meter operation*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*Durable die-cast, aluminum housing
