Generates stable acoustic signal at a controlled frequency and amplitude to verify the accuracy of your sound level meterSimply place calibrator on microphone, turn on and adjust your sound level meterOutput sound pressure levels of 94dB and 114dBAccuracy of /-0.5dBAccomodates 1/2 inch diameter microphones
This sound calibrator generates a stable acoustic signal at a controlled frequency and amplitude to verify the accuracy of your sound level meter. The R8090 is compatible with all 1/2" diameter microphones.
Brand: REED Instruments, Model: R8090