The Amprobe SM-CAL1 is a sound meter calibrator with two output levels fo 94dB and 114dB. The calibrator generates these fixed sound level signals for calibration of sound level meters. The unit ships with a 1/2" adapter installed to accomodate sound meters and microphones with 1/2 diameter.

• Two output levels of 94dB and 114dB
• Output frequency of 1000Hz
• Fits 1/2" microphones
• Easy one handed operation
• Low battery indicator
• CE, Conforms to ANSI S1.40-1984 and IEC942-1988 Class 2
• Includes 1/2" adaptor, 9V battery and User Manual