18
3.2. D38N CLAMP
Clamp
D38N
Range
30
A
ac
300
A
ac
3,000
A
ac
Measurement range
1 to 90
Apeak
1 to 900
Apeak
1 to 9,000
Apeak
Intrinsic uncertainty
2 %R + 1 mV
2 %R + 0,5 mV
2 %R + 0,2 mV
Phase shift
20° for 1,5
A
10° 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
3° for 150
A
1.5° for 600
A
1° for 3 000
A
1° for 3 600A
Max peak current
90
A
900
A
9,000
A
Influence of temperature
< 0.2% / 10 °C
Influence
of
an
adjacent
current
‑
carrying conductor
0.005
A /
A
ac
Influence of conductor position
1 % + 0.1
A
Influence
of
frequency
(see
the
curve of frequency limitation
as a
function of the current)
1 dB
(from 10 Hz to 10 kHz)
1 dB
(from 10 Hz to 10 kHz)
1 dB
(from 10 Hz to 10 kHz)
Duration of use
permanent
permanent
from 1 to 2,400
A permanent
from 2,400 to 2,800
A
10 min
‑ 30 min of
f
from 2,800 to 4,000
A
5 min
‑ 30 min of
f
Bandwidth: 10 Hz to 50 kHz (
‑3 dB)
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