ACAM® 5 is intended as an aid in diagnosing hearing loss and fitting of hearing aids. The device consists of an audiometer that can be used individually or with the other ACAM modules for performing Real Ear Measurements (REM), Hearing Instrument Test (HIT) and loudness scaling. ACAM® 5 should be used by persons trained in audiology on patients of any age who are able to  understand the basic principles of the test method when explained by the operator.