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ALD Division
© GN ReSound ALD Division 2004
Any issues relating to the EU Medical Device Directive 93/42/EEC should be directed to GN ReSound A/S.
T-hook: technical info
Last updated February 20, 2008

Technical data

CE-symbol
Frequency

Resistance= 170 Ohm.
Distance to measuring coil= close.
T-hook frequency table
Impedance at 1 kHz: 177 Ohm.
Resistance: 175 Ohm.
Inductance: 4.4 mH.
Cut-off frequency, -3dB: 6 kHz.
Sensitivity: 0.6 V gives a magnetic field of
100 mA/m at a distance of 5 cm.