Amplaid 99Screening audiometer - Plastic, Metal

Vintage Amplaid 99 screening audiometer, a classic device used to measure someone's hearing. The measurements are: hearing separately for left and right to determine the minimum audible sound level per frequency (standard hearing test). All functions of the device have been tested and work perfectly. The set in the case contains: - The control unit with adjustment knobs for frequencies and a corresponding headset with distinctive blue and red caps. The blue and red colors refer to the right and left ear. - A connected button, on which the tested person can indicate which minimum level per frequency they hear. - Control card, extensive manual, and a set of response cards.

估價:$13.45

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