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Sound Level Calibrator

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• Model No.: 407766

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.     Features:   Calibrates and verifies Sound Level Meter operationLED indicator lights up when power is onLevel position to select 94dB or 114dBFor use on Sound Level Meters with 0.5" or 1.0" microphonesDurable die-cast, aluminum housing1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and and 0.5dB (94dB)/1.0dB (114dB)