Ambco 650A Audiometer Pure Tone Audiometers

Description

Ambco 650A Audiometer Pure Tone Audiometers. Shipped with USPS Priority Mail.
Features
Portable, light weight
Easy to use tone switch
Tone present indicator
Plug-in 110 or 220 volt, 650A
Extremely accurate
Exceeds all specifications
Steady and pulsed tone
Custom carrying bag
Patient response
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 3%
Power: 110-230 VAC, 50-60 HZ UL, C.S.A. approved power supply. Long hour operation on one 9 volt battery (650AB).
Total Weight less than 4.5 Ibs (complete with headset, TDH 39 earphones, patient response, audiogram pad and carrying bag.)
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 90 dB in 5 dB 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.
Total Weight:
Less than 4.5 lb (complete with headset, TDH 39 earphones, and carrying bag).