EMC 
C-3 
 
Guidance and manufacture’s declaration - electromagnetic immunity 
The SynoVent E5 ventilator is intended for use in the electromagnetic environment specified 
below. The customer or the user of the SynoVent E5 ventilator should assure that it is used in such 
an environment. 
IMUNITY 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 
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 
±1 kV for 
input/output lines 
(>3 m) 
±2 kV for power 
supply lines 
±1 kV for 
input/output lines 
(>3 m) 
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 line(s) to 
line(s) 
±2 kV line(s) to earth 
Mains power quality should 
be that of a typical 
commercial or hospital 
environment. 
Voltage dips, 
short 
interruptions and 
voltage variations 
on power supply 
input lines 
IEC 61000-4-11 
<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 s 
<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 s 
Mains power quality should 
be that of a typical 
commercial or hospital 
environment. If the user of 
SynoVent E5 ventilator 
requires continued 
operation during power 
mains interruptions, it is 
recommended that 
SynoVent E5 ventilator be 
powered from an 
uninterruptible power 
supply. 
Power frequency 
(50/60 H
Z
) 
magnetic field 
IEC 61000-4-8 
3 A/m  3 A/m  Power frequency magnetic 
fields should be at levels 
characteristic of a typical 
location in a typical 
commercial or hospital 
environment. 
Note: U
T
 is the a.c. mains voltage prior to application of the test level.