Warranty

© 2019 GV Concepts, Inc.
18
Guidanc e and M anufactur er ’ s D eclar ation - Elec tr omag netic I mmunity
The doctorgram Electronic Stethoscope I is intended for use in the
electromagnetic environment specified below. The user of the
doctorgram Electronic Stethoscope I 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
+/- 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 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
< 5% U
T
(>95% dip
in U
T
) for 0.5
cycle
40% U
T
(60% dip
in U
T
) for 5
cycle
70% U
T
(30% dip in
U
T
) for 25
cycle
< 5% U
T
(>95% dip
in U
T
) for
5 sec
Not
Applicable