LUTRON SC-942 Sound Calibrator/SC942/SC 942

Lutron SC-942 Sound Calibrator * Useful tool to calibrate the Sound Level meter precisely. * Frequency : 1000 Hz ± 5 %. * Sound Pressure Level : 94 dB and 114 dB. * Suitable Microphone Type : 0.5 inch or 1 inch microphone Features : Standard 94 dB and 114 dB/1000 Hz sound calibrator, useful to calibrate the #34; Sound Level meter #34; precisely. SPECIFICATIONS Frequency 1000 Hz ± 2 %. Sound Pressure Level 94 dB range 94 dB ± 0.75 dB. 114 dB range 114 dB ± 0.9 dB. Suitable Microphone Type 0.5 inch or 1 inch microphone. Total harmonic distortion 94 dB range ± 2 %. 114 dB range ± 5 %. Operating Temp. 0 to 50 ℃ (32 to 122 ℉). Battery Check Build in #34; Battery test indicator #34; Dimension Round 50 mm dia. x 82 mm.