Dittmann Caretalk TH1071 - Page 50

Electromagnetic immunity (EMI)
50
Immunity
tests
IEC 60601
test level
Com-
pliance
level
Electromagnet-
ic environment
– instructions
Voltage
surges
IEC
61000-4-5
± 0,5kV,
± 1 kV ca-
bles(s) to
cables
± 0.5kV,
± 1 kV,
± 2 kV
cable(s) to
ground
Not ap-
plicable
Outlet power
quality should
be that of a typ-
ical commercial
or hospital
environment.
Voltage
dips,
short
interrup-
tions and
voltage
variations
on power
supply
input
lines
IEC
61000-4-11
0% UT;
half cycle
at 0°, 45°,
90°, 135°,
180°, 225°,
270° and
315°
0% UT; 1
cycle and
70% UT;
25/30
cycles
Single
phase: at
0°
0 % UT;
250/300
cycles
Not ap-
plicable
Power supply
quality should
be that of a typ-
ical commercial
or hospital
environment. If
the user must
continue to
use the device
during power
outages, it is
recommended
that the device
be powered
by an uninter-
ruptible power
supply or a
battery.