Chapter
2
Safety
Electromagnetic emissions and electromagnetic compatibility
LM 2000 - 06.05.2021 - 09382-03
13
Guidelines and manufacturer's declaration –
Electromagnetic immunity
The LM 2000 system is suitable for operation in the
electromagnetic environment specified below.
Customers or users of the LM 2000 system must
ensure its use in such a suitable environment.
Table 3: Guidelines and manufacturer's declaration – Electromagnetic immunity
Immunity test
IEC 60601-test
level
Compliance
level
Electromagnetic environment -
Guidance
Discharge of
static electricity
in accordance
with
EIEC 61000-4-2
± 6 kV contact
discharge
± 8 kV air
discharge
± 6 kV contact
discharge
± 8 kV air
discharge
Floors should consist of wood or
concrete or be covered in ceramic tiles.
If the floor is covered with synthetic
material, the relative air humidity must
amount to at least 30%.
Quick transient
electrical
interference /
bursts in
accordance with
IEC 61000-4-4
± 2 kV for mains
± 1 kV for inlet
and outlet lines
± 2 kV for mains
(No signal lines
available)
The quality of the supply voltage should
correspond to that of a typical business
or hospital environment.
Surges in
accordance with
IEC 61000-4-5
± 1 kV push-pull
voltage
± 2 kV
asymmetric
disturbance
± 1 kV push-pull
voltage
± 2 kV
asymmetric
disturbance
The quality of the supply voltage should
correspond to that of a typical business
or hospital environment.
Voltage dips,
short
interruptions and
voltage
variations in the
supply voltage in
accordance with
IEC 61000-4-11
< 5% U
T
for
½ period
(> 95% dip)
40% U
T
for
5 periods
(60% dip)
70% U
T
for
25 periods
(30% dip)
< 5% U
T
for 5 s
(> 95% dip)
< 5% U
T
for
½ period
(> 95% dip)
40% U
T
for
5 periods
(60% dip)
70% U
T
for
25 periods
(30% dip)
< 5% U
T
for 5 s
(> 95% dip)
The quality of the supply voltage should
correspond to that of a typical business
or hospital environment.
If the device is to be operated
independently of the main power supply,
we recommend that the LM 2000 system
be powered by an uninterruptible power
supply (UPS) or battery.
Magnetic field at
supply frequency
(50/60 Hz) in
accordance with
IEC 61000-4-8
3 A/m
3 A/m
Magnetic fields in the mains frequency
must correspond to the typical values as
found in a business or hospital
environment.