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65
Table 2
Guidance and declaration of manufacturer-electromagnetic immunity
The SFT53 Ear Thermometer is intended for use in the electromagnetic environment specified below.
The customer or the user of the SFT53 Ear Thermometer should assure that it is used in such an environment.
IMMUNITY test IEC 60601 test level Compliance level Electromagnetic environment – guidance
Electrostatic discharge (ESD)
IEC 61000-4-2
± 6 kV contact
± 8 kV air
± 6 kV contact
± 8 kV air
Floors should be wood, concrete or ceramic tile. If
floors are covered with synthetic material, the rela
-
tive humidity should be at least 30 %.
Electrostatic transient/burst
IEC 61000-4-4
±2 kV for power supply lines
±1 kV for input/output lines
Not applicable
Surge IEC 61000-4-5
±1kV differential mode
±2kV common mode
Not applicable
Voltage dips, short interrup
-
tions and voltage variations
on power supply input lines
IEC 61000-4-11
<5% U
T
(>95% dip in U
T
for 0.5 cycle
40% U
T
(60% dip in U
T
) for 5 cycles
70% U
T
(30% dip in U
T
) for 25 cycles
<5% U
T
(>95% dip in U
T
) for 5 sec
Not applicable
Power frequency (50/60 Hz)
magnetic field IEC 61000-4-8
3 A/m 3 A/m
Power frequency magnetic fields should be at levels
charactertic of a typical location in a typical com
-
mercial or hospital environment.
NOTE: U
T
is the a.c. mains voltage prior to application of the test level.
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