3M Littmann 3200 Manual De Instrucciones página 24

Declaration – electromagnetic immunity
The 3M™ Littmann® Electronic Stethoscope Model 3200, is intended for use in the electromagnetic environment
specified below. The customer or the user of Model 3200 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
Power frequency (50/60
Hz) magnetic field IEC
61000-4-8
Voltage dips, short
interruptions and
voltage variations on
power supply lines IEC
61000-4-11
IEC 60601 test level
± 6 kV contact
± 8 kV air
± 2 kV for supply lines
± 1 kV for input/output lines
± 1 kV differential mode
± 2 kV common mode
3 A/m
< 5% UT
(>95% dip in UT) for 0.5
cycle
40% UT
(60% dip in UT) for 5 cycle
70% UT
(30% dip in UT) for 25 cycle
< 5% UT
(>95% dip in UT) for 5 sec
Compliance level Electromagnetic environment
–guidance
± 6 kV contact Floors should be wood, concrete or
± 8 kV air ceramic tile. If floors are covered
with synthetic material, the relative
humidity should be at least 30%.
Not applicable
Not applicable
3 A/m Power frequency magnetic fields
should be at levels characteristic of a
typical location in a typical commercial
magnetic field or hospital environment.
Not applicable
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