The Ambco 650AB Audiometer (Electric and Battery) comes complete with a Carrying Case (#AMB-1), 110 AC Adapter (#AMAC-650), Patient Response Push Button (#AMPR-5), and Audiometric Headset (#AMHS-C1). Warranty: 5 Years - Defects and Workmanship. The 650AB Pure Tone Audiometer is used for all primary care practices, such as pediatrics, family, general, internal medicine, schools, etc. Note: This audiometer is made to order. Features Ambco 650AB Audiometer Features Portable, lightweight. Easy to use tone switch. Tone present indicator. Plug-in 110 or 220 volt and battery. Battery life indicator. Extremely accurate. Exceeds all specifications. Steady and pulsed tone. Meets requirements for CPT Code 92552 - Threshold Test (pure tone audiometry). Specifications Ambco 650AB Audiometer Specifications Meets or exceeds ANSI S3.6 1989, (ASA 81-1989) ISO 389-1985, C.H.D.P, O.S.H.A, E.P.S.D.T. F.A.A., Police, Divers Requirements. Harmonic Distortion: Less than 3%. Hearing Threshold Range: 0 to 90 dB in 5 dB steps accuracy better than ± 2 dB. Power: 110 - 230 VAC, 50 - 60 Hz UL, C.S.A. approved power supply. Long hour operation on one 9 volt battery. Battery Life: Approximately 48 hours (when fully charged and not turned off). Frequency Range: 250, 500, 1000, 2000, 3000, 4000, 6000, 8000 Hz accuracy better than ± 3%, (steady and pulsed tone). Total Weight: Less than 4.5 lb (complete with headset, TDH 39 earphones, patient response, audiogram pad, and carrying bag). Literature Ambco 650AB Audiometer Literature Ambco Electronics Recalibration Form Ambco 650A/650AB Audiometer Brochure Ambco 650A/650AB Manual
