Kowa KOWA VX-20 Webcam User Manual


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11 Electromagnetic compatibility (IEC60601-1-2)
[Compliance verication and guidance]
Guidance and manufacturer’s declaration - electromagnetic emissions
KOWA VX-20 is intended for use in the electromagnetic environment specied below.
The customer or the user of KOWA VX-20 should assure that it is used in such an environment.
Emissions test Compliance Electromagnetic environment - guidance
RF emissions
CISPR 11
EN 55011
Group 1
KOWA VX-20 uses RF energy only for its internal function. Therefore, its RF
emissions are very low and are not likely to cause any interference in nearby
electronic instrument.
RF emissions
CISPR 11
EN 55011
Class B
KOWA VX-20 is acceptable in all types of facilities without any limitation to
the electrical supply network connected to KOWA VX-20.
Harmonic emissions
IEC 61000-3-2
EN 61000-3-2
Class A
Voltage uctuations/
icker emissions
IEC 61000-3-3
EN 61000-3-3
Complies
Guidance and manufacturer’s declaration - electromagnetic immunity
KOWA VX-20 is intended for use in the electromagnetic environment specied below.
The customer or the user of tKOWA VX-20 should assure that it is used in such an environment.
Immunity test IEC60601 test level Compliance level Electromagnetic environment - guidance
Electrostatic
discharge(ESD)
IEC 61000-4-2
EN 61000-4-2
±6kV contact
±8kV air
±6kV contact
±8kV 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
EN 61000-4-4
±2kV for power
supply lines
±1kV for
input/output lines
±2kV for power
supply lines
±1kV for
input/output lines
Mains power quality should be that of a typical
commercial or hospital environment.
Surge
IEC 61000-4-5
EN 61000-4-5
±1kV
differential mode
±2kV
common mode
±1kV
differential mode
±2kV
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
EN 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 cycle
70% U
T
(30% dip in U
T
)
for 25 cycle
<5% U
T
(>95% dip in U
T
)
for 5 sec
Mains power quality should be that of a typical
commercial or hospital environment. If the user of
KOWA VX-20 requires continued operation during
power mains interruptions, it is recommended that
KOWA VX-20 be powered from an uninterruptible
power supply.
Power frequency
(50/60Hz)
magnetic eld
IEC 61000-4-8
EN 61000-4-8
3 A/m 3 A/m
Power frequency magnetic elds should be at lev-
els 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.
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