FLIR
CM82
USER
MANUAL
Document
Identifier:
CM82
‐
en
‐
US_AD
17
5.6.3.8
VFD
Mode
(low
pass
filter)
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
available
for
measurements
of
AC
current
or
voltage.
1.
Use
the
navigation
buttons
to
select
and
activate
the
VFD
mode
5.7
Non
‐
Contact
Voltage
Detector
Note:
Test
on
a
known
live
circuit
before
testing
on
an
unfamiliar
circuit.
1.
Hold
the
clamp
tips
of
the
meter
very
close
to
the
voltage
source.
2.
If
voltage
is
present,
the
non
‐
contact
voltage
alert
lamp
(see
section
4.1
Meter
parts)
illuminates
a
red
color.
CAUTION
If
the
non
‐
contact
voltage
alert
lamp
is
not
illuminated,
voltage
could
still
be
present.