Kowa VX-10a, Instruction Manual, Page: 58 / 64

Electr
oma
gnetic Compa
tibility
(IEC 60601-1-2)
11
11. Electromagnetic Compatibility (IEC 60601-1-2)
P11-3
Guidance and manufacturer's declaration - electromagnetic immunity
The KOWA is intended for use in the electromagnetic environment specified below.
The customer or the user of the KOWA 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
Floors should be wood, concrete or ce-
ramic tile. If floors are covered with syn-
thetic 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 environ-
ment.
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 environ-
ment.
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
<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
Mains power quality should be that of a
typical commercial or hospital environ-
ment. If the user of the KOWA
requires continued operation during power
mains interruptions, it is recommended
that the KOWA be powered
from an uninterruptible power supply.
Power frequency
(50/60Hz)
magnetic field
IEC 61000-4-8
3 A/m 3A/m Power frequency magnetic fields should
be at levels characteristic of a typical lo-
cation in a typical commercial or hospital
environment.
NOTE
U
T
is the a.c. mains voltage prior to application of the test level.