DS5 Isolated Bipolar Constant Current Stimulator DS5 Operator's Manual 5.0
Electromagnetic Immunity (Table 202)
The Digitimer DS5 is intended for use in the electromagnetic environment specified below. The customer
or the user of the Digitimer DS5 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
±8 kV
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
±1 kV
Mains power quality should be that
of a typical commercial or hospital
environment.
Surge
IEC 61000-4-5
±1 kV differential
mode
±2 kV line(s) to
earth
±1 kV
±2 kV
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
COMPLIANT
COMPLIANT
COMPLIANT
COMPLIANT
Mains power quality should be that
of a typical commercial or hospital
environment. If the user of the
Digitimer DS5 requires continued
operation during power mains
interruptions, it is recommended
that the Digitimer DS5 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 a.c. mains voltage prior to application of the test level.
Digitimer Ltd. 48 of 52 Copyright © 2009
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