APPENDIX A - EMC TABLES
GUIDANCE AND MANUFACTURER’S DECLARATION –
ELECTROMAGNETIC IMMUNITY
TheHydraTherm Composite Heating Unit is intended for use in the electromagnetic
environment specified below. The customer or the user of the HydraTherm Composite
Heating Unit 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
±6 kV contact
±8 kV air
±8 kV contact
±15 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
±2 kV for power
supply lines
±2 kV for power
supply lines
Mains power quality should be that
of a typical commercial or hospital
environment.
Surge
IEC 61000-4-5
±1 kV dierential
mode
±2 kV common
mode
±1 kV dierential
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. If the user of the
HydraTherm Composite Heating
Unit requires continued operation
during power mains interruptions, it is
recommended that the HydraTherm
Composite Heating Unit be powered
from an uninterruptible power supply
or a battery.
Power
frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
30 A / m 30 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 AC mains voltage prior to application of the test level.
19