5
Radio frequency
emission
GB4824
A
frequency emission is very low, and the interference to
nearby electronic equipment may be very small.
Harmonic emission
GB 17625.1
Not applicable
Dental electric suction machine is suitable for non-
domestic use and all facilities that are not directly
connected to the public low-voltage power supply network
of domestic residences.
Voltage fluctuation /
flicker
GB 17625.2
Not applicable
Guidance and manufacturer's declaration-electromagnetic immunity
Dental electric suction machine is used in the electromagnetic environment specified below. The user or user
who purchased this product should ensure that it is used in this electromagnetic environment.
Immunity test
IEC 60601 Electrical
Level
Coincidence Electrical
level
Electromagnetic
environment-guide
Electrostatic
discharge (ESD)
GB/T17626.2
±
6 kV Contact
discharge
±
8 kV Air discharge
±
6 kV Contact
discharge
±
8 kV Air discharge
The ground should be wood,
concrete or ceramic tiles. If the
ground is covered with synthetic
materials, the relative humidity
should be at least 30%.
Electrical fast
transient burst
GB/T17626.4
±
2kV On the power
cord
±
1kV For input /
output lines
±
2kV On the power
cord
Not Applicable
The grid power supply should
have the quality used in a typical
commercial or hospital
environment.
Surge GB/T17626.5
±
1 kV Line-to-Line
±
2 kV Line-to-ground
±
1 kV Line-to-Line
±
2 kV Line-to-ground
The grid power supply should
have the quality used in a typical
commercial or hospital
environment.
Voltage dips, short
interruptions and
voltage changes on
the power input line
GB/T17626.11
<5% UT for 0.5 cycle
(> 95% drop in UT)
40% UT for 5 cycles
(On UT, 60% drop)
70% UT for 25 cycles
(At UT,> 30% drop)
<5% UT for 5 S
(> 95% drop in UT)
<5% UT for 0.5 cycle
(> 95% drop in UT)
40% UT for 5 cycles
(On UT, 60% drop)
70% UT for 25 cycles
(At UT,> 30% drop)
<5% UT for 5 S
(> 95% drop in UT)
The network power supply
should have the quality used in a
typical commercial or hospital
environment. If the user of the
dental electric suction machine
needs to continue to operate
during the power interruption, it
is recommended that the dental
electric suction machine be
powered by an uninterruptible
power supply or battery.
Power
frequency
magnetic field
GB/T17626.8
3A/m
3A/m
The power frequency magnetic
field should have the
characteristics of power
frequency magnetic field level in
a typical place in a typical
commercial or hospital
