Electromagnetic immunity – Welch Allyn CP150 - User Manual Benutzerhandbuch
Seite 50
Emissions test
Compliance
Electromagnetic environment - guidance
IEC 61000-3-2
Voltage fluctuations/
flicker emissions
IEC 61000-3-3
Complies
Electromagnetic immunity
The CP 150 electrocardiograph is intended for use in the electromagnetic environment
specified below. The customer or user of the CP 150 electrocardiograph 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 power supply lines
±1 kV for input/output lines
±2 kV for power supply lines
Not applicable
Mains power quality should
be that of a typical
commercial or hospital
environment.
Surge
IEC 61000-4-5
±1 kV differential mode
±2 kV common mode
±1 kV differential mode
±2 kV common mode
Mains power quality should
be that of a typical
commercial or hospital
environment.
Voltage dips, short
interruptions, and voltage
variations on power supply
input lines.
IEC 61000-4-11
>95% dip for 0.5 cycle
60% dip for 5 cycles
30% dip for 25 cycles
>95% dip for 5 seconds
>95% dip for 0.5 cycle
60% dip for 5 cycles
30% dip for 25 cycles
>95% dip for 5 seconds
Mains power quality should
be that of a typical
commercial or hospital
environment. If the user of
the CP 150
electrocardiograph requires
continued operation during
power mains interruptions, it
is recommended that the CP
150 electrocardiograph be
powered from an
uninterruptible power supply
or battery.
Power frequency
(50/60Hz)
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 or hospital
environment.
46 EMC guidance and manufacturer’s declarations
CP 150 Ruhe-Elektrokardiograph mit 12 Ableitungen