Instruction Manual

32
Electrostatic
transient /
burst IEC
61000-4-4
± 2 kV for power
supply lines
100 kHz repetition
frequency
± 1 kV for
input/output lines
Not applicable
Surge
IEC 61000-4-
5
± 0.5 kV, ± 1 kV,
Line-to-line
± 0.5 kV, ± 1
kV,± 2 kV
Line-to-ground
Not applicable
Voltage dips,
short
interruptions
and voltage
variations on
power
supply input
lines
IEC 61000-4-
11
0 % UT; 0,5 cycle
At 0°, 45°, 90°,
135°,180°, 225°, 270°
and 315°
0 % UT; 1 cycle
And
70 % UT; 25/30
cycles
Single phase: at 0°
Not applicable
Power
frequency
(50/60 Hz)
magnetic
field IEC
61000-4-8
30 A/m
30 A/m
Power frequency
magnetic fields
should be at
levels
characteristic of
a typical location
in a typical
commercial or
hospital
environment.
Note: UT refers to the AC network voltage before the test voltage is applied.
Guidelines and manufacturer's declaration-electromagnetic
immunity
This STEMO700 stethoscope is expected to be used in the following
electromagnetic environment. The purchaser or user should ensure that it is
used in this electromagnetic environment:
Immunity
test
IEC 60601
test level
Coincidence
level
Electromagnetic
environment - guide
Conducted
3 Vrms
Not
Portable and mobile RF