AC40 Instructions for Use - US Page 1
1 Introduction
1.1 About this Manual
This manual is valid for the AC40. These products are manufactured by:
Interacoustics A/S
Audiometer Allé 1
5500 Middelfart
Denmark
Tel.: +45 6371 3555
Fax: +45 6371 3522
E-mail: info@interacoustics.com
Web: www.interacoustics.com
1.2 Intended Use
The AC40 audiometer is designed to be a device for diagnosing hearing loss. Output and specificity of this
type of device are based on the test characteristics defined by the user, and may vary depending on
environmental and operating conditions. The diagnosing of hearing loss using this kind of diagnostic
audiometer depends on the interaction with the patient. However, for patients not responding well
possibilities of various tests allow the tester to have at least some evaluative result. Thus, a “normal hearing”
result should not allow for ignoring other contra indications in this case. A full audiologic evaluation should be
administered if concerns about hearing sensitivity persist.
The AC40 audiometer is intended to be used by an audiologist, hearing healthcare professional or trained
technician in an extremely quiet environment according to the ISO standard 8253-1. This instrument is
intended for all patient groups regarding sex, age and health provided that the patient is able to respond to
the signals in a rational way.Careful handling of the instrument whenever in contact with a patient should be
of high priority. Calm and stable positioning while testing is preferred for optimal accuracy.
1.3 Product Description
The AC40 is a full 2 channel clinical audiometer offering air, bone, speech and built in free field amplier. It
offers a wide range of clinical test features such as high frequency, multi frequency, weber, SISI, etc.
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