cari, Lutron SC-942 Sound Calibrator

Lutron SC-942 Sound Calibrator Provides noise measurement from Sound Level Meters A full range of sound level meters and analyzers covering applications from point-and-shoot level checks to in-depth analyses of environmental noise, from broadband measurements. Built in battery test Solid metal construction Long battery life Vinyl carry case CE certified Spesifikasi - Lutron SC-942 Sound Calibrator 94 dB and 114 dB sound pressure level 1000 Hz output frequency + / - 5% Total harmonic distortion d 2% For 0.5" and 1.0" microphones Powered by 2 x 9V batteries supplied Conforms to standard IEC942 Class 2 Dimensions 145L x 50D mm Weight 350g including batteries