12 - ENG PN MN234 C | User Manual
Liberator
Table 3
Guidance and manufacturers declaration—electromagnetic immunity
The Liberator is intended for use in the electromagnetic environment specified below. The customer or
the user of the Liberator should assure that it is used in such an environment.
Immunity test
IEC 60601 test level Compliance level Electromagnetic environment—guidance
Electrostatic
±6 kV contact
±6 kV contact
Floors should be wood, concrete or ceramic
discharge (ESD)
±8 kV air
±8 kV air
tile. If floors are covered with synthetic
IEC 61000-4-2
material, the relative humidity should be at
least 30%.*
Electrical fast
±2 kV for power
Not applicable
Not applicable
transient/burst
supply lines
DC powered device
IEC 610004-4
±1 kV for
Not applicable
input/output lines No data input/output lines
±1 kV line(s)
Surge
to line(s)
Not Applicable
Not Applicable
IEC 61000-4-5
±2 kV line(s)
DC powered device
to earth
Voltage dips,
<5% UT (>95% dip
short interruptions in UT) for 0,5 cycle
and voltage
40% UT (60% dip
variations on
in UT) for 5 cycles
Not Applicable
Not Applicable
power supply
70% UT (30% dip DC powered device
input lines
in UT) for 25 cycles
IEC 61000-4-11 <5% UT (>95% dip
in UT) for 5 sec
Power frequency
3 A/m
3 A/m
Power frequency magnetic fields should be at
(50/60 Hz)
levels characteristic of a typical location in a
magnetic field
typical commercial or hospital environment.
IEC 61000-4-8
Note: UT is the a.c. mains voltage prior to application of the test level.
* This statement indicates that the required testing was performed in a controlled environment and the
Liberator are found to be compliant with regulations.
