VE-300 Veterinary Electrocardiograph User Manual
-61-
the relative humidity should be at
least 50%.
Electrical fast
transient/burst
IEC61000-4-4
±
2 kV for power supply
lines
±
1 kV for power supply
lines
It is recommended the use of
filters on power input lines and
enough separation between
signal lines and power lines.
Surge
IEC 61000-4-5
±
1 kV differential
mode
±
2 kV common mode
±
1 kV differential mode
±
2 kV common mode
Mains power quality should be
that of a typical commercial or
hospital environment.
Voltage dips,
short
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.
Power frequency
(50Hz) magnetic
field
IEC 61000-4-8
3A/m
3A/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.
11.3 Electromagnetic Immunity - for EQUIPMENT and
SYSTEMS that are not LIFE-SUPPORTING
Guidance and manufacture
’
s declaration
–
electromagnetic immunity
The
VE-300 Veterinary Electrocardiograph
is intended for use in the electromagnetic environment specified below. The
customer or the user of
VE-300 Veterinary Electrocardiograph
should assure that it is used in such an environment.
Immunity test
IEC 60601 test level
Compliance
level
Electromagnetic environment - guidance
Portable and mobile RF communications equipment
should be used no closer to any part of the
VE-300
