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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
Position of the conductor
centred on the marks on the clamp
Frequency of the measured signal
DC to 65Hz sine wave
External electric field
zero
External DC magnetic field (earth's field)
< 40A/m
External AC magnetic field
zero
Impedance of the measuring instrument
≥ 1M
W
and ≤100pF
The intrinsic uncertainty
is the error defined under the reference conditions
.
It is expressed as a percentage of the output signal (R) plus an offset in mV:
±(a% R + b)
3.2. ELECTRICAL CHARACTERISTICS, SENSITIVITY 1MV/A
Output impedance: 215
W
Specified
measurement
range
0,5 to 100A
ac/dc
100 to 800A
ac/dc
800 to 1000A
ac/dc
1000 to 1400A
dc
Intrinsic
uncertainty
≤ ± (1.5%L + 1 mV)
≤ ± 2.5%L
≤ ± 4%L
≤ ± 5%L
Phase error (45 to 65Hz)
Specified measurement range
3 to 200A
ac
200 to 1000A
ac
Phase shift
≤ ‑2°
≤ ‑1.5°
Содержание 3663653001236
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