MA145
‐
en
‐
GB_V1.1
5/15
10
Specifications
ELECTRICAL
SPECIFICATIONS
Function
Range
Resolution
Accuracy
(of
reading)
50~100Hz
100~400Hz
AC
Current
60.00
A
0.01
±
(1.5%
+
25
digits)
<
3A
±
(1.5%
+
5
digits)
≥
3A
±
(2.5%
+
25
digits)
<
3A
±
(2.5%
+
5
digits)
≥
3A
300.0
A
0.1
Function
Range
Resolution
Accuracy
(of
reading)
DC
Current
60.00
A
(1)
0.01
±
(1.5%
+
10
digits)
(2)
300.0
A
0.1
±
(1.5%
+
5
digits)
(1)
<
0.3A
variation
when
measuring
in
varying
directions
(2)
Add
10d
to
accuracy
in
AUTO
AC/DC
sense
mode
Function
Range
Resolution
Accuracy
(of
reading)
50Hz/60Hz
Low
Pass
Filter
(LPF)
60.00
A
0.01
±
(3.5%
+
25
digits)
<
3A
±
(3.5%
+
5
digits)
≥
3A
300.0
A
0.1
Cut
‐
off
frequency
(
‐
3db):
160Hz
(approximately)
Attenuation
characteristic:
‐
24db
per
octave
(approximately)
Function
Range
Resolution
Accuracy
(of
reading)
Inrush
Current
300.0
A
0.1
±
(3.5%
+
5
digits)
Integration
time:
100ms
Trigger
current
(threshold):
5A
Voltage
Detector
80V~600VAC
n/a
n/a
The
tip
of
the
clamp
offers
the
optimum
sensitivity
Notes:
Clamp
position
error:
±1.5%
of
reading
Accuracy
is
given
as
±
(%
of
reading
+
least
significant
digit)
at
23C
±5C
with
relative
humidity
lower
than
80%.
Accuracy
is
specified
for
a
period
of
one
year
after
calibration.
ACA
specifications
are
for
AC
Coupled,
True
RMS.
For
square
wave
the
accuracy
for
>100Hz
is
unspecified.
For
non
‐
sinusoidal
waveforms,
additional
accuracy
Crest
Factor
(C.F.)
considerations
exist
as
detailed
below:
Add
3.0%
for
C.F.
1.0~2.0
Add
5.0%
for
C.F.
2.0~2.5
Add
7.0%
for
C.F.
2.5~3.0
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