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Kaiweets HT208A - Page 12

Kaiweets HT208A
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When
an
electrical
device
is
first
powered
on,
inrush
current
is
the
surge
or
momentary
burst
of
current
that
flows
into
it.
AC
current
measurement
with
“VFD”
function
(Variable
Frequency
Drive
Filtering)
The
VFD
mode
eliminates
high
frequency
noise
in
voltage
measurements
by
means
of
a
low-pass
filter.
The
VFD
mode
is
designed
for
variable
frequency
drive
(VFD)
measurements.
This
mode
is
always
active
for
AC
measurements.
Turn
the
knob
and
select
proper
range(60/600
A
or
1000
&),
press
the
[
the
“VFD"
symbol
is
displayed.
Note:
Please
do
not
use
VFD
function
to
verify
the
presence
of
dangerous
voltage
or
current,
which
may
exceed
the
indicated
value.
key
until
AC
voltage
measurement
with
“VFD”
function
Turn
the
knob
to
v
or
Lz
,
press
key
until
the
“VFD”
symbol
is
displayed.
Note:
Please
do
not
use
VFD
function
to
verify
the
presence
of
dangerous
voltage
or
current,
which
may
exceed
the
indicated
value.

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