25
25
This unit is intended for use in the electromagnetic environment specified below.
The customer or the user of this unit should assure that it is used in such an environment.
It does not harm users and patients within the electromagnetic environment shown below.
However, it is possible to affect the medical equipment (LED abnormality and output stop etc.).
If you suspect any abnormality with the equipment, please suspend use and inspect it.
Guidance and manufacturer’s declaration
–
electromagnetic immunity
EIectrostatic
discharge (ESD)
IEC 61000-4-2
± 8 kV contact
± 15 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%.
IEC 60601-1-2
test level
compliance
level
Electromagnetic environment – guidance
Immunity test
EIectrical fast
transient/burst
IEC 61000-4-4
±
2 kV for
power supply
lines
±
1 kV for
input/output
lines
Mains power quality should be that of a
typical home, commercial or hospital
environment.
Surge
IEC 61000-4-5
±
1 kV line(s)
to line(s)
±
2 kV line(s)
to earth
Mains power quality should be that of a
typical home, commercial or hospital
environment.
Voltage dips,
short
interruptions and
voltage
variations on
power supply
input lines
IEC 61000-4-11
0%UT:
for 0.5 cycle
0%U
T:
for 1 cycle
70%U
T:
for 25/30
cycles
0%U
T:
for 250/300
cycles
Mains power quality should be that of a
typical home, commercial or hospital
environment. If the user of this unit requires
continued operation during power mains
interruptions, it is recommended that this
unit be powered from an uninterruptible
power supply or a battery.
Power
frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
30 A/m
Not
applicable
Not
applicable
Not
applicable
Power frequency magnetic fields should be
at levels characteristic of a typical location in
a typical home, commercial or hospital
environment.
NOTE U
T
is the a.c. mains voltage prior to application of the test level.
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