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Chapter 1 Safety
Immunity test IEC 60601 test level Compliance level
Electromagnetic
environment - guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
±6KV Contact
±8KV air
±6KV Contact
±8KV air
Floors should be wood,
concrete or ceramic tile.
If oors are covered with
synthetic material, the relat-
ive humidity should be at
least 30%.
Electrical fast
transient/burst
IEC 61000-4-4
±2KV
for power supply lines
±1KV
for input/output lines
±2KV
for power supply lines
±1KV
for input/output lines
Mains power quality should
be that of a typical commer-
cial or hospital environment.
Mains power quality should
be that of a typical commer-
cial or hospital environment.
Surge
IEC 61000-4-5
±1KV dierential mode
±2KV common mode
±1KV dierential mode
±2KV common mode
Mains power quality should
be that of a typical commer-
cial or hospital environment.
Voltage dips, short
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
<5% Uт for 0.5 cycles
(>95% dip in Uт)
40% Uт for 5 cycles
(60% dip in Uт )
70% Uт for 25 cycles
(30% dip in Uт)
<5% Uт for 5 s
(<95% dip in Uт )
<5% Uт for 0.5 cycles
(>95% dip in Uт)
40% Uт for 5 cycles
(60% dip in Uт )
70% Uт for 25 cycles
(30% dip in Uт)
<5% Uт for 5 s
(<95% dip in Uт )
If the user of this product
requires continued operation
during power mains interrup-
tions, it is recommended that
this product be powered from
an uninterruptible power
supply or a battery.
Power frequency
(50/60Hz)
magnetic eld
IEC 61000-4-8
3 A/m 3 A/m Power frequency magnetic
elds should be at levels
characteristic of a typical
location in a typical commer-
cial or hospital environment.
NOTE Uт is the a.c. mains voltage prior to application of the test level.
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