Extech
Instruments
16 GX900-EU-EN V1.6 4/14
LOW
PASS
FILTER
FOR
ACV
MEASUREMENTS
The
meter
is
equipped
with
a
Low
Pass
Filter
for
AC
measurements.
To
activate
the
filter
please
follow
the
steps
below:
1.
Set
the
rotary
switch
to
the
V~
position
2.
Press
the
F1
key
(MENU)
3.
Move
the
menu
selector
to
the
LOW
PASS
field
and
then
press
OK
4.
Select
LPF
(Low
Pass
Filter)
and
then
press
OK
5.
Press
the
F3
key
(RANGE)
and
then
press
the
F2
key
(MANUAL)
6.
Move
the
menu
selector
to
the
500V
field
and
press
the
OK
key
DC/AC
MILLIVOLT
MEASUREMENTS
CAUTION:
Do
not
measure
DC/AC
voltages
if
a
motor
on
the
circuit
is
being
switched
ON
or
OFF.
Large
voltage
surges
may
occur
that
can
damage
the
meter.
1.
Set
the
function
switch
to
the
mV
position.
2.
Press
the
F1
key
(MENU),
move
the
menu
selector
to
the
menu
item
labeled
mVDC
or
mVAC,
and
then
press
the
OK
key
3.
Select
mVDC
or
mVAC
from
the
key
options
and
press
the
OK
key.
4.
Insert
the
black
test
lead
banana
plug
into
the
negative
COM
jack.
5.
Insert
the
red
test
lead
banana
plug
into
the
positive
V
jack.
6.
Touch
the
black
test
probe
tip
to
the
negative
side
of
the
circuit.
7.
Touch
the
red
test
probe
tip
to
the
positive
side
of
the
circuit.
8.
Read
the
voltage
in
the
display.
