Abstract
The problems of metrological assurence of modern audiology instruments for the objective research of hear function of the person – facilities for registration of OAE signals. They belong to instruments of the measurement technique for the medical assignings to which the state metrological supervision is spreaded. Resulted requirement to the metrological assurence of instruments for registration of “echo-signals” and its condition in country is analysed, which showed absence of the proper normative documents, single method of check in government metrological services and presence in use only of necessary test instruments (devices “artificial ear” and measuring device of noise). Coming from experience of determination of metrological features of the created experimental simple of OAE echo-screener, authors are considered a test scheme, basic measuring procedures and facilities of their realization. It is indicated that the basic errors of setting of frequency, level of sound pressure of stimulate tone signals and their coefficient of harmonics, belong to metrological features instruments for registration of OAE. The considered method of determination of metrological features is offered to use for creation of single method of check of instruments for registration of OAE in Ukraine.
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