7 MG310-en-GB_V1.0 12/15
POLARIZATION
INDEX
(PI)
TESTING
Read
and
understand
all
operations
and
safety
information
contained
in
the
Insulation
Resistance
(IR)
measurement
section
above
and
the
Safety
section
before
continuing.
1.
Connect
the
meter
to
the
device
under
test
as
shown
in
the
test
section
above.
2.
Select
the
desired
output
test
voltage
using
the
rotary
function
switch
(250/500/1000V).
3.
Use
the
PI/DAR
button
to
access
the
PI
test
mode.
4.
The
display
will
show
the
PI
icon
when
the
PI
mode
is
successfully
accessed.
5.
The
two
test
times
(Time1
and
Time2)
will
alternately
show
on
the
upper
right.
6.
The
first
test
will
run
for
1
minute
(Time1)
when
the
TEST
button
is
pressed.
If
the
test
fails
(
no
is
displayed)
the
second
test
will
not
automatically
run
and
testing
is
now
complete.
If
the
test
passes
(
YES
is
displayed)
the
Time2
test
will
run
for
10
minutes.
7.
The
test
result
will
display
after
the
10
‐
minute
Time2
interval
8.
Press
the
TEST
button
to
stop
the
test
and
to
begin
discharging
the
device
under
test.
DIELECTRIC
ABSORPTION
RATIO
(DAR)
TESTING
Read
and
understand
all
operations
and
safety
information
in
the
Insulation
Resistance
(IR)
measurement
section
above
and
in
the
Safety
section
before
continuing.
1.
Connect
the
meter
to
the
device
under
test
as
shown
in
the
IR
test
section
above.
2.
Select
the
desired
output
test
voltage
using
the
rotary
function
switch
(250/500/1000V).
3.
Use
the
PI/DAR
button
to
access
the
DAR
test
mode.
4.
The
display
will
show
the
DAR
icon
when
the
DAR
mode
is
successfully
accessed.
5.
The
first
two
test
times
(Time1
and
Time2)
will
alternately
show
on
the
upper
right.
6.
The
first
test
will
run
for
30
seconds
(Time1)
when
the
TEST
button
is
pressed.
If
the
test
fails
(
no
is
displayed)
the
second
test
will
not
automatically
run
and
testing
is
now
complete.
If
the
test
passes
(
YES
is
displayed)
the
Time2
test
will
run
for
1
minute.
The
test
result
will
display
after
the
1
‐
minute
Time2
interval
7.
To
access
the
second
set
of
Time1
and
Time2
tests
press
the
DAR
button
three
times
and
repeat
the
same
steps
above
in
this
section.
For
the
2
nd
set
of
tests
the
times
are
15
seconds
(Time1)
and
1
minute
(Time2).
8.
When
completed
press
the
TEST
button
to
stop
the
test
and
to
begin
discharging
