60
IEC 61000-4-8
characteristics of the
power frequency
magnetic field in typical
commercial or hospital
environments.
Note
：
U
T
Refers to the AC network voltage before the test voltage is applied.
Guidelines and Manufacturers'Statements - Electromagnetic Immunity
The Ophthalmological AB-type Ultrasound Diagnostic Instrument (SK-3000A) is
expected to be used in the following specified electromagnetic environment, and the
purchaser or user shall ensure that it is used in such an electromagnetic environment:
Immunity
Test
IEC60601
Test
Electrical level
Conformity
Electrical level
Electromagnetic
Environment - Guide
Radiofrequency
conduction
IEC61000-4-6
Radiofrequency
radiation
IEC61000-4-3
3 V
（
Effective
value
）
150kHz - 80MHz
3 V/m
80MHZ -
2.5GHZ
3 V
（
Effective
value
）
3 V/m
Portable and mobile radio
frequency communication
devices should not be used
closer to any part of the
device, including cables,
than recommended
isolation distances. The
distance is calculated by a
formula corresponding to
the transmitter frequency.
Recommended isolation
distance
P
d
2
.
1
=
150kHz-80MHz
P
d
2
.
1
=
80MHz-800MHz
P
d
3
.
2
=
800MHz-2.5GHz
In formula
：
P——According to the
maximum rated output
power of the transmitter
provided by the transmitter
manufacturer, in Watt (W)
；
d——The recommended
isolation distance is in
meters (m).
Fixed RF transmitter field
strength is determined by
electromagnetic field
Summary of Contents for SK-3000A
Page 12: ...11 1 12 Label This label information is stick on main body of Ophthalmic ultrasound ...
Page 28: ...27 4 5 P scan Test Interface 1 Eye Switch left eye and right eye ...
Page 30: ...29 4 6 B scan Test Interface 1 Eye Switch left eye and right eye ...
Page 35: ...34 ...
Page 41: ...40 2 Click Properties 3 Double click Internet protocol version 4 ICP IPv4 ...