18
GB
Guidance and Manufacturer’s Declaration - Electromagnetic Immunity
The CEFAR EASY Electrotherapy System is intended for use in the electromagnetic environment specified below. The
customer or the user of the CEFAR EASY Electrotherapy System 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
±6kV contact
±8kV air
±6kV contact
±8kV air
Risk assessment on the CEFAR EASY
Electrotherapy System indicates
the compliance levels claimed are
acceptable when ESD-precautionary
measures are taken.
Electrical fast
transient/burst IEC
61000-4-4
±2kV for power supply lines
±1kV for input/output lines
Not Applicable -
Battery powered
Not Applicable
- signal lines less
then 3 meters
Mains power quality should be that
of a typical commercial or hospital
environment.
Surge
IEC 61000-4-5
+ 1kV dierential mode (line to line)
+ 2kV common mode (line to ground)
Not Applicable -
Battery powered
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 sec
Not Applicable -
Battery powered
Mains power quality should be that
of a typical commercial or hospital
environment. If the user of the
CEFAR EASY Electrotherapy System
requires continued operation during
power mains interruptions, it is
recommended that the CEFAR EASY
Electrotherapy System be powered
from an uninterrupted power supply.
Power frequency
(50/60Hz)
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 AC mains voltage prior to application of the test level.