Information on potential electromagnetic interference and advice on
how to avoid or minimize such interference (IEC/EN 60601-1-2:2007)
Guidance and manufacturer’s declaration – electromagnetic immunity
The model HIT-W121 is intended for use in the electromagnetic environment specified below. The customer or the user of
the model HIT-W121 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
r
6 kV contact
r
8 kV air
r
6 kV contact
r
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
r
2 kV for power
supply lines
r
1 kV for input/output
lines
r
2 kV for power
supply lines
r
1 kV for input/output
lines
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
r
1 kV line(s) to line(s)
r
2 kV line(s) to earth
r
1 kV line(s) to line(s)
r
2 kV line(s) to earth
Mains power quality should be
that of a typical commercial or
hospital environment.
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
<5 %
U
T
(>95 % dip in
U
T)
for 0,5 cycle
40 %
U
T
(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 sec
<5 %
U
T
(>95 % dip in
U
T)
for 0,5 cycle
40 %
U
T
(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 sec
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the model HIT-W121 requires
continued operation during power
mains interruptions, it is
recommended that the model
HIT-W121 be powered from an
uninterruptible power supply or a
battery.
Power 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
U
T is the a.c. mains voltage prior to application of the test level.
Summary of Contents for HIT-W121
Page 1: ...User Manual HIT W121 Computer...
Page 6: ...HIT W121 User Manual vi...
Page 8: ...HIT W121 User Manual viii...
Page 11: ......
Page 12: ...HIT W121 User Manual 4...
Page 16: ...2 2 2 Mechanical Drawing for Rear I O...
Page 17: ...2 3 External View 2 3 1 Front View Front View Terminal 2 3 2 Side Bottom View...
Page 18: ...2 3 3 Rear View Rear View Terminal 9...
Page 19: ......
Page 22: ...13 HIT W121 User Manual...
Page 23: ...HIT W121 User Manual 14...
