
20
Guidance and manufacture’s declaration – electromagnetic immunity
The LGT-235 is intended for use in the electromagnetic environment specified below. The
customer or the user of LGT-235 should assure that it is used in such an environment.
Immunity test
IEC 60601 test
level
Compliance level
Electromagnetic environment
- guidance
Electrostatic
discharge
(ESD)
IEC 61000-4-2
±6 kV contact
±8 kV air
±6 kV contact
±8 kV air
Floors should be wood, concrete
or ceramic tile. If floor are
covered with synthetic material,
the relative humidity should be at
least 30%.
Electrical fast
transient/ burst
IEC 61000-4-4
±2 kV for power
supply lines
±1 kV for
input/output lines
±2kV for power
supply lines
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
± 1 kV line(s) to
line(s)
± 2 kV line(s) to
earth
±1 kV differential
mode
Mains power quality should be
that of a typical commercial or
hospital environment.
Voltage dips,
short
interruptions
and voltage
<5% U
T
(>95% dip
in U
T
) for 0.5 cycle
40% U
T
(60% dip in
<5% U
T
(>95% dip
in U
T
) for 0.5 cycle
40% U
T
(60% dip in
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of
the
LGT-235
requires