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14.2 Guidance and manufacturer’s declaration-
electromagnetic immunity
Immunity
test
Electrostatic
discharge
（ESD）
GB/T 17626.2
Air：
±2kV;±4 kV;
±8 kV
Contact：
±2 kV;±4 kV
Air：
±2kV;±4 kV;
±8 kV
Contact：
±2 kV;±4 kV
Floors should be wood,
concrete or ceramic tile.
If floors are covered with
synthetic material, the
relative humidity should
be at least 30%
Test level
Compliance
level
Electromagnetic
environment-guidance
Guidance and manufacturer’s declaration-
electromagnetic immunity
The equipment is intended for sue in the electromagnetic environment
specified below. The customer or the user of the equipment should assure
that it is used in such an environment.
Power
frequency
magnetic field
GB/T17626.8
3A/m，50Hz
3A/m，50Hz
Power frequency
magnetic fields should
be at levels characteristic
of a typical location in a
typical commercial or
hospital environment.
/
/
Voltage dips
GB/T17626.11
0% for cycle 1
40% for cycle 5
70% for cycle 25
N/A
N/A
N/A
N/A
Surge
GB/T17626.5
±1kV lines to
earth
±1Kv lines to
lines
