13 Electromagnetic compatibility
13.2
Interference immunity
Interference
IEC 60601-1-2 test level
immunity tests
Electrostatic dis-
± 6 kV contact discharge
charge (ESD)
according to
± 8 kV air discharge
IEC 61000-4-2
Electrical fast tran-
± 1 kV for input and output
sient/burst
lines
according to
± 2 kV for power cables
IEC 61000-4-4
Surge voltages
± 1 kV differential mode
according to
± 2 kV common mode
IEC 61000-4-5
Voltage dips, short
< 5 % U
interruptions and vari-
(> 95 % dip of U
ations of the power
40 % U
supply
(60 % dip of U
according to
IEC 61000-4-11
70% U
(30 % dip of U
< 5 % U
(> 95 % dip of U
Magnetic field of
3 A/m
power frequencies
(50/60 Hz)
according to
IEC 61000-4-8
Remarks: U
is the AC supply voltage prior to application of the test level.
T
38
Compliance level
± 6 kV contact discharge
± 8 kV air discharge
± 1 kV for input and output
lines
± 2 kV for power cables
± 1 kV differential mode
± 2 kV common mode
for ½ period
< 5 % U
T
)
(> 95 % dip of U
T
for 5 periods
40 % U
T
)
(60 % dip of U
T
for 25 periods
70 % U
T
)
(30 % dip of U
T
for 5 sec.
<5 % U
T
)
(> 95 % dip of U
T
3 A/m
The UNIT is intended for operation in the electromag-
netic environment specified below.
The customer or user of the UNIT should make sure that
it is used in such an environment.
Electromagnetic environment
guidelines
Floors should be wood, concrete, or
ceramic tile. If floors are covered with
synthetic material, the relative humid-
ity should be at least 30 %.
The quality of the line power supply
should be that of a typical commercial
or hospital environment.
The quality of the line power supply
should be that of a typical commercial
or hospital environment.
for ½ period
The quality of the line power supply
T
)
should be that of a typical commercial
T
or hospital environment.
for 5 periods
T
)
If the user of the UNIT requires it to
T
continue functioning following inter-
for 25 periods
T
ruptions of the power supply, it is rec-
)
T
ommended to have the UNIT
powered by an uninterruptible power
for 5 sec.
T
supply or a battery.
)
T
Power frequency magnetic fields
should be at levels characteristic of a
typical location in a typical commer-
cial or hospital environment.
Sirona Dental Systems GmbH
Operating Instructions PerioScan
61 29 626 D 3496
D 3496.201.02.05.02