T-IM114b P55/62
T20
Series
OPERATION TABLE
Table 202 - Guidance and manufacturer’s declaration - electromagnetic immunity
Guidance and manufacturer’s declaration - electromagnetic immunity
The T20 Series of operation table are intended for use in the electromagnetic environment specified below. The
customer or the user of these operation tables should assure that it is used in such an environment
Immunity test IEC 60601 Compliance level Electromagnetic environment -
test level guidance
Electrostatic ±6 kV contact ±6 kV contact Floors should be wood, concrete or
discharge (ESD) ceramic tile. If floors are covered with
±8 kV air ±8 kV air synthetic material, the relative humidity
IEC 61000-4-2 should be at least 30%.
Electrical fast ±2 kV for power ±2 kV for power Mains power quality should be that of a
transient/burst supply lines supply lines typical commercial or hospital
±1 kV for input/ ±1 kV for input/ environment.
IEC 61000-4-4 output lines output lines
Surge ±1 kV differential ±1 kV differential Mains power quality should be that of a
mode mode typical commercial or hospital
IEC 61000-4-5 environment.
±2 kV
common mode
±2 kV
common mode
Voltage dips, short <5%
U
T
<5%
U
T
Mains power quality should be that of a
interruptions and (>95% dip in
U
T
) (>95% dip in
U
T
) typical commercial or hospital environment.
voltage variations for 0,5 cycle for 0,5 cycle The T20 Series of operation table have
on power supply dual classification (Class 2 and Internally
input lines 40%
U
T
40%
U
T
powered).
(>60% dip in
U
T
) (>60% dip in
U
T
)
IEC 61000-4-11 for 5 cycles for 5 cycles
70%
U
T
70%
U
T
(>30% dip in
U
T
) (>30% dip in
U
T
)
for 25 cycles for 25 cycles
<5%
U
T
<5%
U
T
(>95% dip in
U
T
) (>95% dip in
U
T
)
for 5 sec for 5 sec
Power frequency 3A/m 3A/m Power frequency magnetic fields should
(50/60Hz) be at levels characteristic of a typical
magnetic field location in a typical commercial or
IEC 61000-4-8 hospital environment.
NOTE
U
T
is the a.c. mains voltage prior to application of the test level.
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