Pure Tone Audiometer With Five Year Warranty Total Weight Less Than 4.5 lbs. Complete System Ready To Use For APPROVED* Pure Tone Screening And Threshold Hearing Tests. *Reimbursable under C.P.T. Code #92552

AMBCO MODEL 650A, 650AB PURE TONE AUDIOMETER • Battery life indicator • Patient response • Steady and pulsed tone • Tone present indicator • Easy to use tone switch • Extremely accurate • Portable, light weight • Five year warranty 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. Frequency Range: 250, 500, 1000, 2000, 3000, 4000, 6000, 8000 Hz Accuracy better than ± 3%, (steady and pulsed tone) Hearing Threshold Range: 0 to 90dB in 5dB steps Accuracy better than ± 2 dB Harmonic Distortion - less than...