9 Electromagnetic compatibility
9.2 Interference immunity
Dentsply Sirona
Operating Instructions SiroLaser Blue
74
66 56 842 D3648
D3648.201.03.02.02 10.2018
9.2
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 –
guidance
Electrostatic
discharge (ESD)
according to IEC
61000-4-2
± 6 KV contact
discharge
± 8 KV air discharge
± 6 KV contact
discharge
± 8 KV air discharge
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
according to
IEC 61000-4-4
± 1 kV for input and
output lines
± 2 kV for power supply
lines
± 1 kV for input and
output lines
± 2 kV for power
supply lines
The quality of the line power supply
should be that of a typical commer-
cial or hospital environment.
Surge voltages
according to IEC
61000-4-5
± 1 kV differential mode
± 2 kV common mode
voltage
± 1 kV differential
mode
± 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
interruptions and
variations of the
power supply
according 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 5sec.
(>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 5sec.
(>95% dip of U
T
The quality of the line power supply
should be that of a typical commercial
or hospital environment.
If the user of the UNIT requires it to
continue functioning following interrup-
tions of the power supply, it is recom-
mended 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.
Remarks: 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 transmission
frequency.
Recommended working clearance:
