Appendix B: Electromagnetic Compatibility (Emc) - Welch Allyn Atlas Operator's Manual

11 Appendix B: Electromagnetic Compatibility (EMC)

The Atlas monitor has been tested and found in compliance with the requirements of IEC 60601-1-
2:1993.
This Welch Allyn Atlas Monitor is suitable for use in the specified electromagnetic environment. The
buyer or user of this product should assure that it is used in an electromagnetic environment as
specified below:
Emissions
CISPR 11
(Radiated and
Conducted)
Harmonics
Voltage
Fluctuations/Flicker
Immunity
ESD
Radiated RF
Conducted RF
EFT
Surge
Voltage
Dips/Interrupts
Magnetic Field
Category EMC Environment
Group 1, Class B This product is suitable for use in domestic
establishments
connected to the low voltage power supply network
that supplies buildings used for domestic purposes.
IEC1000-3-2
IEC 1000-3-3
Severity Level EMC Environment
3 Floors are wood, concrete, ceramic or are covered
with synthetic material. Relative humidity must be
greater than 15%.
2 Portable communication devices may interfere with
the proper operation of this device. Warnings should
2
be posted to prevent these devices from coming near
the monitor during operation. If the monitor is placed
near a stationary RF transmitter and the performance
of the monitor is questioned, either remove the
transmitter or monitor then document the change in
performance from the monitor. A site survey may be
required to determine if excessive RF energy could
pose a problem for monitor operation.
2 Mains power quality is that of a typical commercial
and hospital environment.
3 Mains power quality is that of a typical commercial
and hospital environment.
3 Mains power quality is that of a typical commercial
and hospital environment. If CLINICAL UTILITY is
required
recommended that the unit be operated from an
uninterruptible power supply.
2 Magnetic fields are at levels typical in a commercial
and hospital environment.
and in
during power
72
establishments directly
interruptions, it is