18
3.2. D37N
AND D37N-EA
CLAMP
Clamp
D37N-EA
D37N
D37N and D37N-EA
Range
30
A
ac
30
A
ac
300
A
ac
3,000
A
ac
Measurement range
100 mA
to 36
A
rms
1 to 360
A
rms
1 to 3,600
A
rms
Intrinsic uncertainty
5 %R + 10 mV
at 4 Hz
2 %R + 10 mV
2 %R + 2 mV
2 %R + 0.5 mV
Phase shift
15° for 1,5
A
7° for 6
A
5° for 30
A
5° for 36
A
3° for 15
A
1.5° for 60
A
1° for 300
A
1° for 360
A
1.5° for 150
A
1° for 600
A
0.5° for 3,000
A
0.5° for 3,600A
Max peak current
90
A
900
A
9,000
A
Influence of temperature
< 0.1% / 10 °C
Inf
luenc
e
of
an
adjac
ent
current-carrying conductor
0.005
A /
A
ac
Influence of conductor
position
1.5 %
Influence
of
frequency
from
30 to 5,000 Hz
6 %
6 %
5 %
Duration of use
permanent
permanent
from 1 to 2,000
A permanent
from 2,000 to 2,400
A
permanent with ambient
temp. < 40 °C
from 2,400 to 2,800
A
10 min
‑ 30 min of
f
from 2,800 to 3,200
A
5 min
‑ 30 min of
f
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