MA145
‐
en
‐
GB_V1.1
5/15
7
Inrush
Current
Mode
In
the
Inrush
mode
the
meter
waits
until
at
least
5A
is
detected
and
then
starts
a
100ms
sample
window
in
which
to
capture
an
inrush
current
RMS
value.
Refer
to
illustration
below.
1.
Press
and
hold
the
INRUSH
button
for
>
2
seconds
to
access
the
Inrush
Current
mode.
2.
The
display
will
show
the
INRUSH
icon.
3.
When
ready,
take
a
current
measurement.
The
meter
will
capture
the
highest
reading
detected
during
a
100ms
window.
Note
that
the
100ms
window
does
not
open
until
at
least
5A
is
detected.
4.
To
exit
the
Inrush
Current
mode
press
the
INRUSH
button
again
momentarily.
The
INRUSH
icon
will
switch
OFF.
TIME
CURRENT
0A
Start
Stop
Current
Detection
Threshold
Measured Inrush
Current
100ms Sample Window (60Hz)
Low
Pass
Filter
The
Low
Pass
Filter
mode
offers
high
frequency
rejection
when
measuring
Variable
Speed
Drives.
The
Low
Pass
Filter
mode
offers
a
cut
‐
off
frequency
of
160Hz
(approx.)
with
an
attenuation
characteristic
of
‐
24db
per
octave
(approx.).
1.
Momentarily
press
the
LPF
button
to
access
the
LPF
mode
2.
The
LPF
display
icon
is
shown
on
the
display
in
the
LPF
mode
3.
Press
the
LPF
button
again
to
exit
the
LPF
mode,
the
LPF
icon
will
switch
OFF
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