Chison Q9, Руководство по эксплуатации, Страница: 197 / 201

Q9 Digital Color Doppler Ultrasound System
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APPENDIX E GUIDANCE AND MANUFACTURER’S DECLARATION
2. Guidance and manufacturer’s declaration – electromagnetic immunity
The Q9 is intended for use in the electromagnetic environment the Q9 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.
1. Guidance and manufacturer’s declaration – electromagnetic emissions
The Q9 is intended for use in the electromagnetic environment specified below. The customer or
the user of the Q9 should assure that it is used in such an environment.
Emissions test Compliance Electromagnetic
environment – guidance
RF emissions
CISPR 11
Group 1 The Q9 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 A The Q9 is suitable for use in
all establishments, including
domestic stablishments 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
Class A
Voltage fluctuations/
flicker emissions
IEC 61000-3-3
Complies