Reference conditions
Input current I
E
I
EN
± 1 %
Input voltage U
E
U
EN
± 1 %
Frequency f
E
f
EN
± 1 %
Waveform
sinusoid, harmonic distortion ≤ 5 %
Load resistor R
B
R
BN
± 1 %
Ambient temperature T
U
23 °C ± 1°C
Auxiliary voltage U
H
U
HN
Warm-up time
≥ 15 min
External fields / external
interference
none
Influence effects of the related to A
N
(other signals at reference conditions)
input measuring voltage
from U
EN
to 1.2U
EN
≤ 0.2 %
input measuring current
from I
EN
to 1.2 I
EN
≤ 0.2 %
the auxiliary voltage
0.8 to 1.2 U
HN
at DC
≤ 0.1 %
0.9 to 1.1 U
HN
at AC
≤ 0.1 %
ambient temperature
≤ 0.2 % / 10 K
frequency (45-65 Hz)
≤ 0.03 % / Hz
harmonics
(to the 32nd harmonic)
≤ 0.02 % every 10 % harmonic
distortion
load resistor
≤ 0.1 % for load changes from 0Ω to
15V/I
AN
warm-up
≤ 0.3 %
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