Standards and IEC Classifications
Technical Specifications
LigaSure Vessel Sealing Generator Service Manual 4-11
Guidance and manufacturer's declaration - electromagnetic immunity
The LigaSure is intended for use in the electromagnetic environment specified below. The customer or the user of the
LigaSure 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
+/-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
+/-2 kV for power
supply lines
+/-1 kV for input/
output lines
Mains power quality should be that of a
typical commercial or hospital environment.
Surge
IEC 61000-4-5
+/-1 kV differential
mode
+/-2 kV common
mode
+/-1 kV differential
mode
+/-2 kV common
mode
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% Ut
(>95% dip in Ut)
for 0,5 cycle
40% Ut
(>60% dip in Ut)
for 5 cycles
70% Ut
(>30% dip in Ut)
for 25 cycles
<5% Ut
(>95% dip in Ut)
for 5 sec
<5% Ut
(>95% dip in Ut)
for 0,5 cycle
40% Ut
(>60% dip in Ut)
for 5 cycles
70% Ut
(>30% dip in Ut)
for 25 cycles
<5% Ut
(>95% dip in Ut)
for 5 sec
Mains power quality should be that of a
typical commercial or hospital environment.
If the user of the LigaSure requires
continued operation during power mains
interruptions, it is recommended that the
LigaSure be powered from an
uninterruptible power supply or a battery.
Power frequency (50/60
Hz) 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: Ut is the a.c. mains voltage prior to the application of the test level.
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