MA44x
‐
en
‐
GB_V1.0
8/16
9
DC
Current
Measurements
(MA445)
WARNING
:
Do
not
handle
the
meter
above
the
finger/hand
guard
barrier.
CAUTION
:
Observe
CAT
III
600V
with
respect
to
Earth
Ground
for
the
Jaw.
CAUTION
:
Measure
in
the
temperature
range
of
0
~
40
o
C
only.
1.
Rotate
the
function
switch
to
the
DC
Current
position
.
2.
The
A
and
the
DC
symbols
will
appear
on
the
display
indicating
DC
Amperes
(Amps).
The
AUTO
icon
will
also
display
indicating
automatic
ranging.
3.
Zero
any
residual
magnetism
by
pressing
and
holding
the
REL
ZERO
button
with
no
conductor
in
the
jaws.
See
Fig.
3
and
Fig.
4
4.
Press
the
jaw
trigger
to
open
the
clamp
jaw.
Position
the
clamp
around
only
one
conductor.
See
Fig.
2
(previous
section)
for
correct
and
incorrect
clamping
techniques.
5.
Read
the
current
in
the
display.
The
display
will
indicate
the
proper
decimal
point
and
value.
NOTES:
To
ensure
maximum
accuracy,
place
the
conductor
at
the
center
of
the
clamp
head,
otherwise
additional
error
(±
1.0%)
may
apply.
If
the
readings
are
positive,
the
current
is
flowing
in
a
downward
direction
(faceplate
to
back
of
meter).
Do
not
release
the
trigger
suddenly;
the
impact
may
lead
to
a
change
in
readings
since
the
Hall
element
is
sensitive
not
only
to
magnetism
but
also
to
heat
and
mechanical
stress
to
some
extent.
A
DC
A
DC
Fig.
3
–
DCA
Zero
before
measurement
Fig.
4
–
DCA
Measurement
