WUNDER SA.BI. SRL
Model: W1090 rev.00 20/10/2018
5
Guide and Statement of manufacturer – Electromagnetic immunity
The scale W1090 is intended for use in the electromagnetic environment speci-
fied below. The customer/user should assure that it’s used in that environment.
Immunity test IEC 60601
Test level
Compliance Level
Guide to electromagnetic
environment
Electrostatic
discharge(E-
SD)
IEC/EN61000
- 4 - 2
± 6kV contact
± 8kV air
± 6kV contact
± 8kV air
The floors should be made
of wood, concrete or cera-
mic. If the floors are covered
in synthetic material, the
relative humidity should be
maximum 30%.
Electrical fast
transient/
burst
IEC/EN61000
- 4 - 4
± 2kV for
power
supply lines +
1kV for
input/output
lines
± 2kV for power
supply lines Not
applicable
Mains power quality should
be that of a typical commer-
cial or hospital environment.
Surge IEC/EN
61000 - 4 - 5
± 1kV line(s) to
line(s)
± 2kV line(s) to
earth
± 1kV differential
mode Not
applicable
Mains power quality should
be that of a typical commer-
cial or hospital environment.
Voltage dips,
short inter-
ruption and
voltage
variation
IEC/EN61000 -
4 - 11
<5% UT for 0,5
cycle
40% UT for 05
cycles
70% UT for 25
cycles
<5% UT for 5s
<5% UT for 0,5
cycle
40% UT for 5
cycles
70% UT for 25
cycles
<5% UT for 5 s
The power supply should be
of the type used typically in
commercial or hospital envi-
ronments.
Power fre-
quency
Magnetic field
IEC/EN61000
- 4 - 8
3A/m
3A/m
W1090 power frequency
magnetic fields should be
at levels characteristic of a
typical location in a typical
commercial or hospital
environment.
Note=UT is the value of the voltage of the feed.