The Ambco 650AB is an electric & battery audiometer. The unit is portable and light weight. Unit has a battery life indicator. It has an easy-to-use tone switch and tone present indicator. The 650AB is extremely accurate and exceeds all specifications. It has steady and pulsed tone. Unit is new and includes custom carrying bag.
- Unit 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, Drivers, 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 steps accuracy better than +/-2 dB
- Harmonic Distortion – less than 3%
- Power: 110-230 VAC, 50-60 HZ UL, C.S.A. approved power supply. Long hour operation on one 9 volt battery.
- Total Weight: less than 4.5 lbs
- Complete with headset, TDH 39 earphones, patient response, audiogram pad and carrying bag.
- 5 Year Limited Warranty