Citizen CHU304, Инструкция по эксплуатации, Страница: 18 / 20

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ELECTOROMAGNETIC COMPATIBILITY INFORMATION
Appendix The use of accessories and cables other than those speci Þ ed (other than CITIZEN
original parts) may result in increased emissions or decreased immunity of the unit.
Guidance and manufacturer’s declaration - electromagnetic emissions
The [CHU304/CH305] is intended for use in the electromagnetic environment speci Þ ed below. The
customer or the user of the [CHU304/CH305] should assure that it is used in such an environment.
Emissions test Compliance Electromagnetic environment - guidance
RF emissions
CISPR 11 Group 1 The [CHU304/CH305] 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 equipment.
RF emissions
CISPR 11 Class B The [CHU304/CH305] is suitable for use
in all establishments, including domestic
establishments and those directly connected to
the public low-voltage power supply network that
supplies buildings used for domestic purposes.
Harmonic emissions
IEC 61000-3-2 N/A
Voltage ß uctuations/ ß icker
emissions IEC 61000-3-3
N/A
Guidance and manufacturer’s declaration - electromagnetic immunity
The [CHU304/CH305] is intended for use in the electromagnetic environment speci Þ ed below. The
customer or the user of the [CHU304/CH305] 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
ß oors 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
N/A N/A
Surge
IEC 61000-4-5 ±1 kV
line to line
±2 kV
line to earth
N/A N/A
Voltage dips,
short
interruptions
and voltage
variations on
power supply
IEC 61000-4-11 <5 %
U
T
(>95% dip in
U
T
) for 0.5 cycle
N/A N/A
40% U
T
(60% dip in U
T
)
for 5 cycles
70% U
T
(30% dip in
U
T
)
for 25 cycle
<5% U
T
(95% dip in U
T
)
for 5 sec.
Power frequency
(50/60 Hz)
magnetic
Þ eld
IEC 61000-4-8
3 A/m 3 A/m
Power frequency magnetic Þ elds should
be at levels 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.
00̲CHU304̲All.indb Eng-17 2015/06/02 11:00:54