Chison ECO 2 - Page 189

ECO 2 Ultrasound Diagnostic System
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interruptions
and
voltage
variations
on power
supply
input lines
IEC
61000-4-11
<5 % UT
(>95 % dip in UT)
for 0,5 cycle
40 % UT
(60 % dip in UT)
for 5 cycles
70 % UT
(30 % dip in UT)
for 25 cycles
<5 % UT
(>95 % dip in UT)
for 5 sec
<5 % UT
(>95 % dip in UT)
for 0,5 cycle
40 % UT
(60 % dip in UT)
for 5 cycles
70 % UT
(30 % dip in UT)
for 25 cycles
<5 % UT
(>95 % dip in UT)
for 5 sec
Mains power quality
should be that
of a typical commercial
or hospital
environment. If the user
of the
ECO 2 requires
continued operation
during power
mains interruptions, it is
recommended that the
ECO 2 be powered from
an
uninterruptible power
supply or a
battery.
Power
frequency
frequency
(50-60 Hz)
magnetic field
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 UT is the a.c. mains voltage prior to application of the test level.
3 Guidance and manufacturer’s declaration – electromagnetic immunity
The ECO 2 is intended for use in the electromagnetic environment specified below. The
customer or the user of the ECO 2 should assure that it is used in such an environment.
3.1. Immunity
test
IEC 60601
test level
IEC 60601
test level
Electromagnetic environment –
guidance