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HAC III is a combination of a probe coil and a handset positioner. It is designed to verify the hearing aid compatibility of telephony handsets by measuring their magnetic coupling capabilities. |
With a large mounting area and various options for fixating the handset, the positioner
can accommodate all types and sizes of handsets. HAC III is fully compliant with IEEE 1027 and TIA-504-A. |
The delivered probe coil is pre-calibrated and comes with a certificate of performance with individually measured parameters. Thus, HAC III does not require a set of Helmholtz coils for calibration as called for in IEEE 1027. |
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