User Manual

Important safety considerations
Vscan Extend – User Manual 2-15
5721203-100 Rev. D
Voltage dips, short
interruptions and
voltage variations on
power supply input lines
EN 61000-4-11
5% U
T
(>95% dip in
U
T
) for 0,5 cycle
40% UT
(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 s
5% U
T
(>95% dip in
U
T
) for 0,5 cycle
40% UT
(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 s
Mains power quality should
be that of a typical
commercial or hospital
environment. If the user of
the ultrasound unit requires
continued operation during
power mains interruptions, it
is recommended that the
ultrasound unit is powered
from an uninterruptible
power supply or a battery.
Power frequency (50/
60 Hz) magnetic field
EN/IEC 61000-4-8
3 A/m 3 A/m Power frequency magnetic
fields 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.
Table 2-2: Electromagnetic immunity (Part 1) (Continued)
Guidance and manufacturer’s declaration – electromagnetic immunity.
The Vscan Extend is intended for use in the electromagnetic environment below. The
customer or the user of the Vscan Extend should assure that it is used in such an
environment.
Immunity test
EN 60601
test level
Compliance level
Electromagnetic
environment –
guidance