Table of Contents
Advertisement
6 Electromagnetic compatibility
6.2 Interference immunity
Interference immunity
tests
Electrostatic discharge
(ESD) according to IEC
61000-4-2
Electrical fast transient/
burst according to
IEC 61000-4-4
Surge voltages
according to IEC 61000-
4-5
Voltage drops, short
interruptions and
fluctuations of the power
supply
according to IEC 61000-
4-11
Magnetic field of power
frequencies (50/60 Hz)
according to IEC 61000-
4-8
Remark: U
is the alternating supply voltage prior to application of the test level.
T
18
6.2
Interference immunity
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.
IEC 60601-1-2 test
Conformance level
level
± 6 kV contact
± 6 kV contact
discharge
discharge
± 8 kV air discharge
± 8 kV air discharge
± 1 kV for input and
± 1kV for input and
output lines
output lines
± 2 kV for power supply
± 2 kV for power supply
lines
lines
± 1 kV differential mode
± 1 kV differential mode
± 2 kV common mode
± 2 kV common mode
voltage
voltage
<5% U
for ½ period
<5% U
T
(>95% drop of U
)
(>95% drop of U
T
40% U
for 5 periods
40% U
T
(60% drop of U
)
(60% drop of U
T
70% U
for 25 periods
70% U
T
(30% drop of U
)
(30% drop of U
T
<5% U
for 5 sec.
<5% U
T
(>95% drop of U
)
(>95% drop of U
T
3 A/m
3 A/m
Electromagnetic environment –
guidance
Floors should be made of wood or
concrete or finished with ceramic
tiling. If floors are covered with
synthetic material, the relative
humidity should be at least 30%.
The quality of the 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
)
T
commercial or hospital environment.
for 5 periods
T
If the user of the UNIT requires it to
)
T
continue functioning following
interruptions of the power supply, it is
for 25 periods
T
recommended to have the UNIT
)
T
powered by an uninterruptible power
for 5 sec.
supply.
T
)
T
Power frequency magnetic fields
should at levels characteristic of
those found in the business and
hospital environment.
Portable and mobile radio equipment
are not used at a smaller distance to
the UNIT and cables that is lower
than the recommended working
clearance, which is calculated
according to the equation suitable for
the transmission frequency.
Recommended working clearance:
Sirona Dental Systems GmbH
Operating Instructions SIROInspect
63 82 936 D3584
D3584.201.01.03.02 02.2013
Advertisement
Table of Contents
