Copyright © Lojer Oy, 2021 | 05/2021
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6.2.2 Electromagnetic immunity
This product is intended for use in electromagnetic environments that are specified below. The user should
ensure that the product is used in an appropriate environment.
Immunity test
IEC 60601 test
level
Compliance level
Electromagnetic enviroment-guidance
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 transient/burst
IEC 61000-4-4
±2 kV for power
supply lines; 100
kHz frequency
±1 kV for
input/output
lines; 100 kHz
frequency
±2 kV for power
supply lines; 100
kHz frequency
±1 kV for
input/output
lines; 100 kHz
frequency
Mains power quality should be at levels
characteristic of a typical location in a typical
commercial or hospital environment.
Surge
IEC 61000-4-5
±1 kV (line to
line)
±2 kV (line to
earth)
±1 kV (line to
line)
±2 kV (line to
earth)
Mains power quality should be at levels
characteristic of a typical location in a typical
commercial or hospital environment.
Voltage dips, short
interruptions and voltage
variations on power supply
lines
IEC 61000-4-11
< 0% U(T) for 0,5
cycle at 45° phase
angles
0% U(T) for 1
cycle at 0°
70% U(T) for
25/30 cycles at 0°
< 5% U(T) for
250/300 cycles at
0°
< 0% U(T) for 0,5
cycle at 45° phase
angles
0% U(T) for 1
cycle at 0°
70% U(T) for
25/30 cycles at 0°
< 5% U(T) for
250/300 cycles at
0°
Mains power quality should be at levels
characteristic of a typical location in a
typical commercial or hospital
environment. If uninterrupted use during
power failure is required, the device should
be equipped with battery.
U(T) is the (AC) mains voltage before the
testing level is applied.
Magnetic field at
supply frequency (50/60 Hz)
IEC 61000-4-8
30 A/m
30 A/m
Magnetic fields at mains frequency should
corresponds to the typical values present in
commercial and hospital environment.
