Sirona Dental Systems GmbH
Gebrauchsanweisung und Installation
8 Electromagnetic compatibility
64 08 137 D3610
D3610.201.02.09.02 11.2017
115
8.3
Interference immunity
The UNIT is intended for operation in the electromagnetic environment
specified below.
The customer or user of the UNIT should make sure that it is used in
such an environment.
Interference immunity
tests
IEC 60601-1-2 test
level
Compliance level
Electromagnetic environment -
guidelines
Electrostatic discharge
(ESD) according to IEC
61000-4-2
± 6 KV contact dis-
charge
± 8 KV air discharge
± 6 KV contact dis-
charge
± 8 KV air discharge
Floors should be made of wood or
concrete or finished with ceramic
tiling. If the floor is covered with
synthetic material, the relative hu-
midity should be at least 30%.
Electrical fast transient/
burst
according to IEC
61000-4-4
± 1 kV for input and
output lines
± 2 kV for power sup-
ply lines
± 1 kV for input and
output lines
± 2 kV for power sup-
ply lines
The quality of the line power supply
should be that of a typical commer-
cial or hospital environment.
Surge voltages accord-
ing to
IEC 61000-4-5
± 1 kV differential
mode voltage
± 2 kV common mode
voltage
± 1 kV differential
mode voltage
± 2 kV common mode
voltage
The quality of the line power supply
should be that of a typical commer-
cial or hospital environment.
Voltage dips, short inter-
ruptions and variations
of the power supply ac-
cording to
IEC 61000-4-11
<5% U
T
for ½ period
(>95% dip of U
T
)
40% U
T
for 5 periods
(60% dip of U
T
)
70% U
T
for 25 periods
(30% dip of U
T
)
<5% U
T
for 5 sec.
(>95% dip of U
T
)
<5% U
T
for ½ period
(>95% dip of U
T
)
40% U
T
for 5 periods
(60% dip of U
T
)
70% U
T
for 25 periods
(30% dip of U
T
)
<5% U
T
for 5 sec.
(>95% dip of U
T
)
The quality of the line power supply
should be that of a typical commer-
cial or hospital environment.
If the user of the UNIT requires it to
continue functioning following inter-
ruptions of the power supply, it is
recommended to have the UNIT
powered by an uninterruptible
power supply or a battery.
Magnetic field of power
frequencies (50/60 Hz)
according to
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 com-
mercial or hospital environment.
Note: U
T
is the AC supply voltage prior to application of the test level.
Portable and mobile radio equip-
ment must not be used within the
recommended working clearance
from the UNIT and its cables, which
is calculated based on the equation
suitable for the relevant transmis-
sion frequency.
Recommended working clearance:
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