HemoCue WBC, Operating Manual

Page: 45 / 68

45
Guidance and manufacturer’s declaration – Electromagnetic immunity
The HemoCue systems are intended for use in the electromagnetic environment specified below. The customer or
user of the HemoCue systems 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
±1 kV for input/
output lines
Mains power quality should be that
of a typical commercial or hospital
environment.
Surge
IEC 61000-4-5
±1 kV differential mode ±1 kV
differential
mode Mains power quality should be that
of a typical commercial or hospital
environment.
Voltage dips, short
interruptions and
voltage variations on
power supply lines
IEC 61000-4-11
<5 %U (>95 % dip in U)
for a 0.5 cycle
40 %U (60 % dip in U)
for 5 cycles
70 %U (30 % dip in U)
for 25 cycles
<5 %U (>95 % dip in U)
for 5 seconds
For explanation of U
see NOTE 1
<5 %U (>95 %
dip in U) for a
0.5 cycle
40 %U (60 % dip
in U) for 5 cycles
70 %U (30 %
dip in U) for
25 cycles
<5 %U (>95 %
dip in U) for
5 seconds
Mains power quality should be that
of a typical commercial or hospital
environment.
If the user of the HemoCue systems image
intensifier requires continued operation
during power mains interruptions, it is
recommended that the HemoCue systems
image intensifier be powered from an
uninterruptible power supply or a battery.