44
Electromagnetic immunity – cont.
The Melodia™ series hearing aids are intended for use in the elec-
tromagnetic environment specified below. The customer or the
user of a Melodia™ series hearing aid should assure that it is used
in such an environment.
Immunity
Test
IEC 60601
Test level
Compli-
ance level
Electromagnetic environ-
ment – guidance
Portable and mobile RF
communications equip-
ment should be used no
closer to any part of the
Melodia
TM
series hearing
aid, including cables, than
the recommended separa-
tion distance calculated
from the equation applica-
ble to the frequency of the
transmitter.
Conducted
RF
IEC
61000-4-6
3 Vrms
150 kHz to
80 MHz
3 Vrms
Recommended separation
distance
d = 1.2
√
P
Radiated
RF
IEC
61000-4-3
3 V/m
80 MHz to
2.5 GHz
3 V/m
d = 1.2
√
P
80 MHz to 800 MHz
d = 2.3
√
P
800 MHz to 2.5 GHz
