This FLIR 94 dB Sound Calibrator is for 05 or 1" microphones, it calibrates and verifies sound level meter operation. Housed in durable die-cast aluminum, the calibrator generates a 1 kHz sine wave at 94 dB with a frequency accuracy of 5% and a decibel level accuracy of ± 5%. Featuring a battery test and status LED, it includes two 9V batteries, screwdriver, and carrying case. This version is factory adjusted.
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