Richmar HydraThermDT - Page 19

APPENDIX A - EMC TABLES
GUIDANCE AND MANUFACTURER’S DECLARATION
– ELECTROMAGNETIC IMMUNITY
The Hydratherm tank is intended for use in the electromagnetic environment specified
below. The customer or the user of the Hydratherm tank 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 / EN
61000-4-2
±15 kV contact
±8 kV air
±15 kV contact
±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 / EN
61000-4-4
±2 kV for power
supply lines
Mains power quality should be that
of a typical commercial or hospital
environment.
Surge
IEC / EN
61000-4-5
±1 kV dierential
mode
±2 kV common
mode
±1 kV dierential
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 / EN
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
tank requires continued
operation during power mains
operation, it is recommended that
the HydraTherm tank be powered
from an uninterruptible power supply
or battery.
Power
frequency
(50/60 Hz)
magnetic field
IEC / EN
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.
±1 kV for input/
output lines
±2 kV for power
supply lines
±1 kV for input/
output lines
Table 2 – Guidance and manufacturer’s declaration – electromagnetic immunity –
for all equipment and systems
17