13
relative
humidity
should be at least 30%.
Electrical
fast
transient burst
IEC61000-4-4
±2 kV, to power supply
lines
±1 kV, to input/output lines
Not applicable
Not applicable
Surge
IEC61000-4-5
± 1 kV differential mode
voltage
± 2 kV, common mode
voltage
Not applicable
Not applicable
Voltage dip, short
interruption
and
voltage variation on
power supply input
lines
IEC61000-4-11
<5% UT, for 0.5 cycles
(>95% dip in UT)
40% UT, for 5 cycles
(60% dip in UT)
70% UT, for 25 cycles
(30% dip in UT)
<
5% UT, for 5s
(>95% dip in UT)
Not applicable
Not applicable
Power
frequency
magnetic
field
(50/60 Hz)
IEC61000-4-8
3A/m
3A/m,50/60Hz
The power-frequency
magnetic field shall be
at
the
level
characteristic of a
typical location in a
typical commercial or
hospital environment.
Note:
UT is the a.c. mains voltage prior to application of the test voltage.
Table 3: Electromagnetic immunity 2
Guidance and manufacturer's statement - Electromagnetic immunity
IR-EFT ThermArt is intended for use in the electromagnetic environment as specified below.
The buyer or user of IR-EFT ThermArt should assure that it is used in such an environment:
Immunity test
IEC 60601 Test Level
Compliance
level
Electromagnetic environment - Guidance
RF
3 V (r.m.s.)
Not
Portable and mobile RF communication
equipment shall be used not closer to any
part of IR-EFT Infrared Forehead and Ear
Thermometer, including cables, than the
recommended separation distance. The
distance shall be calculated according to
the formula applicable to the frequency
of the transmitter.