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3. CHARACTERISTICS
3.1. REFERENCE CONDITIONS
Quantity of influence
Reference values
Temperature
23 ± 5 °C
Relative humidity
20 to 75 % RH
Frequency of the signal measured
30 to 440 Hz
Type of signal
sinusoidal
Instrument turn-on time
1 minute
External electric field
null
External DC magnetic field (earth's field)
< 40 A/m
External AC magnetic field
null
Position of the conductor in the coil
centred
Shape of the measurement coil
circular, no applied stress
Input impedance of the display device connected
to the electronic unit
≥
1 M
W
3.2. ELECTRICAL CHARACTERISTICS
Model
Single-phase
45 and 80 cm
Single-phase
120 cm
Three-phase
80 cm
Range (A)
3
30‑300‑3k
30
300‑3k‑30k
30‑300‑3k
Specified measurement
range (A)
0,5 ‑ 3
▪ 2 ‑ 30
▪ 5 ‑ 300
▪ 50 ‑ 3000
0.5 ‑ 30
▪ 10 ‑ 300
▪ 10 ‑ 3,000
▪ 50 ‑ 30,000
▪ 5 ‑ 30
▪ 5 ‑ 300
▪ 50 ‑ 3000
Output/input ratio
(mV~/A~)
1000
▪ 100
▪ 10
▪ 1
100
▪ 10
▪ 1
▪ 0.1
▪ 100
▪ 10
▪ 1
Maximum peak factor
at I nominal
1.5
Intrinsic uncertainty
1 %
▪ 1 %
▪ 1,5 % from 5
to 30 A and
1 % from 30
to 300 A
▪ 1,5 % from 50
to 300 A and
1 % from 300
to 3000 A
1 %
▪ 1 %
▪ 1,5 % from 10
to 300 A and
1 % from 300 to
3000 A
▪ 1,5 % from 50
to 300 A and
1 % from 300 to
30,000 A
▪ 1 %
▪ 1,5 % from 5
to 30 A and
1 % from 30
to 300 A
▪ 1,5 % from 50
to 300 A and
1 % from 300
to 3000 A
Max. offset voltage
(mV
dc
)
0 mV
