Interference Immunity - Dentsply Sirona CEREC AC Notice D'utilisation

5 Technical information
5.3 Electromagnetic compatibility
Interference IEC 60601-1-2 Test level
immunity tests
Electrostatic ± 6 kV contact
discharge (ESD)
± 8 kV air
according to IEC
61000-4-2
Electrical fast ± 1 kV for input and output
transient/burst lines
according to
± 2 kV for power supply
IEC 61000-4-4
lines
Surge voltages ± 1 kV differential mode
according to IEC voltage
61000-4-5
± 2 kV common mode
voltage
Voltage dips, short <5% U
interruptions and
(>95% dip of U
variations of the
40% U
power supply
according to IEC dip of U
61000-4-11
70% U
(30% dip of U
<5% U
dip of U
Magnetic field of 3 A/m
power frequencies
(50/60 Hz) according
to IEC 61000-4-8
Note: U is the AC supply voltage prior to application of the test level.
T
24
5.3.2

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.
Compliance level
± 6 kV contact
± 8 kV air
± 1kV for input and
output lines
± 2 kV for power supply
lines
± 1 kV differential mode
voltage
± 2 kV common mode
voltage
for ½ period <5% U
T
) (>95% dip of U
T
for 5 periods (60% 40% U
T
) (60% dip of U
T
for 25 periods 70% U
T
) (30% dip of U
T
for 5sec. (>95% <5% U
T
dip of U
T
3 A/m
Operating Instructions for the Acquisition Unit
Electromagnetic environment –
guidelines
Floors should be wood, concrete, or
ceramic tile. If floors are covered with
synthetic material, the relative
humidity 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
Continued operation of the UNIT is
)
T
possible following interruptions of the
power supply, since the UNIT is
for 25 periods
T
powered by an uninterruptible power
)
T
supply backed up by a storage
for 5sec. (>95% battery.
T
T
Power frequency magnetic fields
should be at levels characteristic of a
typical location in a typical commercial
or hospital environment.
Portable and mobile radio equipment
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:
Dentsply Sirona
66 37 461 D 3492
D 3492.201.06.27.02 09.2017