
Guidance and manufacturer's declaration - electromagnetic immunity for all equipment and systems
T830/T840 is intended for use in the electromagnetic environment specified below. The user of T830/T840 should ensure 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 humid-
ity 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 com-
mercial or hospital environment.
Surge IEC 61000-4-5
+/- 1 kV line(s) to line(s)
+/- 2 kV line(s) to earth
+/- 1 kV line(s) to line(s)
+/- 2 kV line(s) to earth
Mains power quality should be that of a typical com-
mercial or hospital environment.
Voltage dips, short inter-
ruptions and voltage vari-
ations on power supply input
lines IEC 61000-4-11
<5 % U
T
(>95 % dip in U
T
) for 0.5
cycle
40 % UT (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 s
<5 % U
T
(>95 % dip in U
T
) for 0.5
cycle
40 % UT (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 s
Mains power quality should be that of a typical com-
mercial or hospital environment. If the user of the
T830/T840 requires continued operation during power
mains interruptions, it is recommended that the
T830/T840 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 char-
acteristic of a typical location in a typical commercial or
hospital environment.
U
T
is the AC mains voltage prior to application of the test level.
Guidance and manufacturer's declaration - electromagnetic immunity - for equipment and systems that are NOT life-supporting
T830/T840 is intended for use in the electromagnetic environment specified below. The user of T830/T840 should ensure that it is used in such an environment.
Immunity test
IEC 60601
test level
Compliance level
Electromagnetic environment - guidance
Inmedico A/S - T830/T840
User Guide
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