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P/N: 8013093 Rev
：
F
Table 202
Guidance and manufacture’s declaration-
Electromagnetic immunity
The dental unit is intended for use in the electromagnetic environment specified below. The customer or the
user of the dental unit should assure that it is used in such and environment.
Immunity test
GB 9706 test level
compliance
Electromagnetic environment-
guidance
Electrostatic
(ESD)
GB/T 17626.2
±
6kV contact
±
8kV air
Floors should be wood, concrete or
ceramic tile. If floor are covered
with synthetic material, the relative
humidity should be at least 30%.
Users must eliminate static in their
hands before use it.
Electrical fast
transient/burst
GB/T 17626.4
±
2kV for power supply
lines
±
1kV for input/output
lines
Mains power quality should be that
of a typical commercial or hospital
environment.
Surge
GB/T 17626.5
±
1kV differential mode
±
2kV common mode
Mains power quality should be that
of a typical commercial or hospital
environment.
Voltage dips
short
interruptions and
voltage variations
on power supply
input lines
GB/T 17626. 11
< 5% U
T
，
for 0.5 cycle
(>95% dip in U
T
)
40%U
T
，，
for 0.5 cycle
(60% dip in U
T
)
70%U
T
，，
for 0.5 cycle
(30% dip in U
T
)
< 5%U
T
，
for 5s
((>95% dip in U
T
)
Mains power quality should be that
of a typical commercial or hospital
environment. If the user of the
monitor requires continued
operation during power mains
interruptions, it is recommended
that the equipment be powered
from an uninterruptible power
supply or a battery.
Power frequency
magnetic field
(50/60 Hz)GB/T
17626.
3 A/m
Power frequency magnetic field
should be that of a typical
commercial or hospital environment
Note: U
T
is the a.c. mains voltage prior to application of the test level.
AJ16 User's Guide