21
Table 17.2
Guidelines and Manufacturer's Declaration-Electromagnetic Immunity
The concentrator is intended for use in the electromagnetic environment specified below. The user of the
concentrator should make sure it is used in such an environment.
Immunity Test
Electromagnetic Environment-
-Guidance
Electrostatic discharge
(ESD)
IEC 61000-4-2
±6kV contact
±
8kV air
±6kV contact
±8kV air
Electrical fast transient
burst IEC 61000-4-4
±2kV for power supply
lines
±1kV for input/output
lines
±2kV for power supply
lines
±1kV for input/output
lines
Surge IEC 61000-4-5
±1 kV line(s) to line(s)
±2 kV line(s) to earth
±1 kV line(s) to line(s)
±2 kV line(s) to earth
Voltage dips, short
interruptions and
voltage variations on
power supply input
lines IEC 61000-4-11
Power frequency
magnetic field
(50Hz/60Hz
EC61000-4-8
3A/m
3A/m
Note: U
T
refers to the AC network voltage before the test voltage is applied.
Floors should be wood. concrete
or ceramic tile. If floors are
covered with synthetic material,
the relative humidity should be
at least 30%.
Mains power quality should be
that of a typical commercial
or hospital environment.
Mains power quality should be
that of a typical commercial
or hospital environment.
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the [ME EQUIPMENT or ME
SYSTEM] requires continued
operation during power mains
interruptions, it is recommended
that the [ME EQUIPMENT or ME
SYSTEM] be powered from an
uninterrupted power supply or a
battery.
<
5% U
T
(>95% dip in
U
T
)for 0.5 cycle
40% U
T
(60% dip in
U
T
)for 5 cycles
70% U
T
(30% dip in
U
T
)for 25 cycles
<
5% U
T
(>95% dip in
U
T
)for 5 sec
<
5% U
T
(>95% dip in
U
T
)for 0.5 cycle
40% U
T
(60% dip in
U
T
)for 5 cycles
70% U
T
(30% dip in
U
T
)for 25 cycles
<
5% U
T
(>95% dip in
U
T
)for 5 sec
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical hospital or
home environment.
IEC 60601
Test Level
Compliance
Level
