Welch Allyn CardioPerfect Workstation SpiroPerfect Module - User Manual - Manual (Page 83)

CardioPerfect Workstation
SpiroPerfect Module
– User Manual
DIR 80012334 Ver. F 83 / 95
Electromagnetic Immunity
The Welch Allyn SpiroPerfect is intended for use in the electromagnetic environment specified below. The customer
or the user of the Spirometer 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
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

Not Applicable

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
<5 % U T
(>95 % dip in U T )
for 0,5 cycle
40 %
U T
(60 % dip in U T
)
for 5 cycles
70 %
U T
(30 % dip in U T
)
for 25 cycles
<5 %
U T
(>95 % dip in U T
)
for 5 sec
Not Applicable Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the Welch Allyn SpiroPerfect
requires continued operation
during power mains
interruptions, it is recommended
that the Welch Allyn SpiroPerfect
be powered from an
uninterruptible power supply or a
battery.
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 or hospital
environment.
NOTE U T is the AC mains voltage prior to application of the test level.