Quest CA-12B Permissible Sound Calibrator

Quest CA-12B Permissible Sound Calibrator. Calibrator has some wear from use (see pictures). Tested with new battery and can hear and audible ringing when powered on, not fully tested or calibrated (battery not included). Info on Calibrator: Quest Electronics Permissible Sound Calibrator Approval: 2G-3126-1 CA-12B / CA-12M ALL QUESTIONS AND OFFERS WELCOME