Ohrsimulator (Kuppler gemäß IEC 60318-4) - 4157

Ear Simulator Type 4157 replicates human ear acoustics for accurate testing, servicing and daily production verification of insert earphones and hearing aids.

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TYPE 4157 - Ear Simulator (IEC 60318-4 Coupler)

The Ear Simulator Type 4157 closely reproduces the acoustical parameters of the human ear, presenting the insert earphone under test with an impedance approximating that of the real human ear.

USE SCENARIOS

Frequency response, sensitivity and distortion measurements on insert earphones, e.g. used in hearing aids, operator headsets, etc.
Servicing of hearing aids
Production testing of earphones

Product Data - Ear Simulator Type 4157 (bp0262)	Datenblätter	English
Ear Simulator Type 4157	Handbuch/Bedienungsanleitung	English

Product Code	Beschreibung
-4228---	Pistonphon Klasse 1, 124 dB, 250 Hz
-4231---	Akustischer Kalibrator der Klasse 1 - 94

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