12 EMC Tables
Page 27 / 33
Electrostatic
discharge
(ESD)
IEC
61000-4-2
+/-
8
kV
contact
+/- 2 kV, +/- 4
kV, +/- 8 kV,
+/- 15 kV air
+/- 8 kV contact
+/- 2 kV, +/- 4
kV, +/- 8 kV, +/-
15 kV air
Floors should be
wood, concrete or
ceramic
tile.
If
floors are covered
with
synthetic
material,
the
relative humidity
should be at least
30 %.
Electrical fast
Transients
/bursts
IEC 61000-4-
4
±2kV
100kHz
repetition
frequency
±2kV
100kHz
repetition
frequency
Mains
power
quality should be
that of a typical
commercial
or
hospital
environment.
Surge
IEC 61000-4-
5
Line to line:
±0.5kV, ±1kV
Line
to
line:
±0.5kV, ±1kV
Mains
power
quality should be
that of a typical
commercial
or
hospital
environment.
Voltage dips,
short
interruptions
and
voltage
variations on
power supply
lines
IEC 61000-4-
11
0% UT; 0.5
cycle
at 0°, 45°,
90°,
135°,
180°,
225°,
270°,
and
315°
0% UT; 1
cycle
and
70%
UT;
25/30 cycles
sine phase at
0°
0%
UT;
250/300
0%
UT;
0.5
cycle
at 0°, 45°, 90°,
135°,
180°,
225°, 270°, and
315°
0% UT; 1 cycle
and 70% UT;
25/30 cycles
sine phase at 0°
0%
UT;
Mains
power
quality should be
that of a typical
commercial
or
hospital
environment. If the
user of devices
require continued
operation
during
power
mains
interruptions, it is
recommended
that devices be
powered form an
uninterruptible
power supply or
a battery
