Appendix:
Table 201
Declaration – Electromagnetic Emissions
The 3M Littmann® Electronic Stethoscope, Model 3000, is intended for use in the electromagnetic environment specified below.
The customer or the user of the Model 3000 should assure that it is used in such an environment.
Emissions test Compliance Electromagnetic environment – guidance
RF emissions CISPR 11 Group 1 Model 3000 uses RF energy only for its internal function. Therefore, its RF
emissions are very low and are not likely to cause any interference in nearby
electronic equipment.
RF emissions CISPR 11 Class B Model 3000 is suitable for use in all establishments, including domestic
establishments and those directly connected to the public low-voltage power
supply network that supplies buildings used for domestic purposes.
Harmonic emissions Not applicable
IEC 61000-3-2
Voltage fluctuations/flicker Not applicable
emissions IEC 61000-3-3
Table 202
Declaration – Electromagnetic Immunity
The 3M Littmann® Electronic Stethoscope, Model 3000, is intended for use in the electromagnetic environment specified below.
The customer or the user of Model 3000 should assure that it is used in such an environment.
Immunity test IEC 60601 test level Compliance level Electromagnetic environment –guidance
Electrostatic ± 6 kV contact ± 6 kV contact Floors should be wood, concrete or ceramic
discharge (ESD ± 8 kV air ± 8 kV air tile. If floors are covered with synthetic material
IEC 61000-4-2 the relative humidity should be at least 30 %
Electrical fast ± 2 kV for supply lines Not applicable
transient/burst ± 1 kV for input/output lines
IEC 61000-4-4
Surge ± 1 kV differential mode Not applicable
IEC 61000-4-5 ± 2 kV common mode
Voltage dips, short < 5 %
U
T
Not applicable
interruptions and (>95 % dip in
U
T
)
voltage variations for 0.5 cycle
on power supply
lines 40 %
U
T
IEC 61000-4-11 (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
Power frequency 3 A/m 3 A/m Power frequency magnetic fields should be at
(50/60 Hz) levels characteristic of a typical location in a typical
magnetic field commercial or hospital environment.
IEC 61000-4-8
8
7
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