Installation Instructions

Guidance and Manufacturer’s Declaration - Electromagnetic
Immunity
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
IEC 60601
Test Level
Compliance
Level
Electromagnetic
Environment-
Guidance
Electrostatic
Discharge
(ESD) IEC
61000-4-2
+/- 8 kV
contact
+/- 15 kV
+/- 8 kV
contact
+/- 15 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 supply
lines
+/- 1 kV
for input/
output
lines
Not
Applicable
Surge
IEC 61000-
4-5
+/- 1kV
line(s) to
line(s)
+/- 2 kV
line(s) to
earth
Not
Applicable
Voltage
dips, short
interruptions
and voltage
variations on
power supply
input lines
IEC 61000-
4-11
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
Not
Applicable
19
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