User Manual

HealthCare
Confidential
USER MANUAL
(HARDGOODS)
<<Object Name>>
<<Status>> Ver. <<Version>>
Rel. <<Release Date>>
Page 22 of 25
NOTE: The official document is electronic. Paper copies are uncontrolled.
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
IEC 60601 test
level
Compliance level
Electromagnetic environment –
guidance
Electrostatic discharge (ESD)
IEC 61000-4-2
± 6 kV contact
± 8 kV air
± 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
± 1 kV differential
mode
± 2 kV common
mode
Not applicable
Power frequency (50/60 Hz)
magnetic field IEC 61000-4-8
3 A/m
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
Voltage dips, short
interruptions and voltage
variations on power supply
lines IEC 61000-4-11
< 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
Not applicable