Test of
Test level
resistance
according
to interfe-
to IEC
rence
60601-1-2
Voltage
‹ 5% U
1/2 cycle
drops, brief
(› 95%
interrup-
drop)
tions and
40% U
fluctua-
5 cycles
tions in the
(60% drop)
supply
70% U
voltage
25 cycles
(30% drop)
according
‹ 5% U
to IEC
5 s (› 95%
61000-4-11
drop)
Magnetic
3 A/m
field at the
supply fre-
quencies
(50/60 Hz)
according
to IEC
61000-4-8
Com-
pliance
for
Same
T
as test
level
for
T
for
T
for
T
30 A/m The magnetic field
Appendix
Guidelines for the elec-
tromagnetic environ-
ment
The quality of the supply
voltage should corre-
spond to that in a typical
business or hospital.
The CardioMessenger
is powered by a battery.
An interruption in the
supply voltage to the
power supply brick will
not impair the function-
ing of the Cardio-
Messenger.
strength should corre-
spond to the typical
value in business and
hospital environments.
39