EMC Declaration
Electrostatic
discharge (ESD)
IEC61000-4-2
±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
relative humidity should
be at least 30 %.
Electrical fast
transient/ burst
IEC 61000-4-4
±2 kV for
power supply
lines ±1 kV
for input
Not Applicable
Mains power quality
should be that of a
typical commercial or
hospital environment.
Surge
IEC 61000-4-5
±1 kV line
(s) to line(s)
±2 kV line(s)
to earth
Not Applicable
Mains power quality
should be that of a
typical commercial or
hospital environment.
Voltage dips,
short
interruptions
and voltage
variations on
power supply
input lines IEC
61000-4-11
Power
frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
3 A/m
3 A/m
<5% UT(>95%
dip in UT) for
0,5 cycle40%
UT(60% dip in
UT) for 5 cycles
70% UT(30%
dip in UT) for
25 cycles<5%
UT(>95% dip
in UT) for 5 sec
Not Applicable
Mains power quality
should be that of a typical
commercial or hospital
environment. If the user
of the “JT-E020” requires
continued operation
during power mains
interruptions, it is
recommended that the
“JT-E020” be powered
from an uninterruptible
power supply or a battery.
Guidance and manufacturer’s declaration – electromagnetic immunity
NOTE UT is the a.c. mains voltage prior to application of the test level.
The “JT-E020” is intended for use in the electromagnetic environment
specified below. The customer or the user of the “JT-E020” should ensure
that it is used in such an environment.
Immunity
test
IEC 60601
test level
Compliance
level
Electromagnetic
environment – guidance
Portable and mobile RF
communications equipment
should be used no closer to
any part of the “JT-E020”,
including cables, than the
recommended separation
distance calculated from the
equation applicable to the
frequency of the transmitter.
Recommended separation
distance
Conducted RF
IEC 61000-4-6
d=[ 3.5 ]√P V1
d=[ 3.5 ]√P 80MHz to
800MHz E1
d=[ 7 ]√P 800MHz to
2.5 GHz E1
3 Vrms150 kHz
to 80 MHz
Not Applicable
Radiated RF
IEC 61000-4-3
where P is the maximum
output power rating of the
transmitter in watts (W)
according to the transmitter
manufacturer and d is the
recommended separation
distance in meters (m).Field
strengths from fixed RF
transmitters, as determined
by an electromagnetic site
survey, a should be less
than the compliance level in
each frequency range.b
Interference may occur in
the vicinity of equipment
marked with the following
symbol
3 V/m80 MHz
to 2.5 GHz
3 V/m
Guidance and manufacturer’s declaration – electromagnetic immunity
The “JT-E020” is intended for use in the electromagnetic environment
specified below. The customer or the user of the “JT-E020” should ensure
that it is used in such an environment.
Immunity
test
IEC 60601
test level
Compliance
level
Electromagnetic
environment – guidance
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