The Eko Electronic Stethoscope System is intended for use in the electromagnetic environment specified
below. The user of the Eko Electronic Stethoscope System should assure that it is used in such an
environment.
Immunity Test
Electrostatic
Discharge (ESD)
IEC 61000-4-2
Electrical Fast
Transient/Burst IEC
61000-4-4
Surge IEC
61000-4-5
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
NOTE: U
is the a.c. mains voltage prior to application of the test level
T
The Eko Electronic Stethoscope System is intended for use in the electromagnetic environment specified
below. The user of the Eko Electronic Stethoscope System should assure that it is used in such an
environment.
Immunity Test
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
NOTE 1: At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and is affected by absorption and reflection from structures, objects and people.
Guidance and Manufacturer's
Declaration - Electromagnetic Immunity
IEC 60601 Test Level
+/- 8 kV contact
+/- 15 kV
+/- 2 kV for supply lines
+/- 1 kV for input/
output lines
+/- 1kV line(s) to line(s)
+/- 2 kV line(s) to earth
100% drop in UT for 0.5
cycle 0/45/ 90/135/
180/225/ 270/315
degrees, 100% dip in UT
for 1 cycle, 30% dip in
UT for 25 cycle, 100%
drop in UT for 5 sec
30 A/m
Guidance and Manufacturer's
Declaration - Electromagnetic Immunity
IEC 60601 Test
Level
3 Vrms
150 kHz to
80 MHz
10 V/m
80 MHz to 2.7
GHz
Compliance
Level
+/- 8 kV contact
+/- 15 kV air
Not Applicable
Not Applicable
Not Applicable
30 A/m
Compliance
Electromagnetic Environment-
Level
Guidance
Not Applicable
10 V/m
d = 1.2 √P 80 MHz to 800 MHz
80 MHz to 2.7
d = 2.3 √P 800 MHz to 2.7 GHz
GHz
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:
Electromagnetic
Environment-Guidance
Floors should be wood,
concrete, or ceramic tile.
If floors are covered with
synthetic material, the relative
humidity should be at least 30%
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial magnetic field or
hospital environment.
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