Benning IT 110 - Line Resistance and Prospective Short-Circuit Current

79
Nominal input voltage 55 V / 63 V (45 Hz ÷ 65 Hz)
Test options L1-PE and L2-PE
No tripping of the FI/RCD
12.4.3 Line resistance and prospective short-circuit current
Line resistance
IncompliancewithEN61557-3,themeasuringrangeisbetween0.25Ω÷1999Ω.
Measuringrange(Ω) Resolution(Ω) Accuracy
0.00 ÷ 19.99 0.01
±(5 % of reading + 5 digits)20.0 ÷ 99.9 0.1
100 ÷ 1999 1
*) The accuracy can be affected by strong noise of the mains voltage.
Prospective short-circuit current (calculated value)
Measuring range (A) Resolution (A) Accuracy
0.00 ÷ 19.99 0.01
Please observe the accu-
racy of the line resistance
measurement.
20.0 ÷ 99.9 0.1
100 ÷ 999 1
1.00k ÷ 9.99k 10
10.0 ÷ 24.4k 100
Calculation of I
PFC
I
PFC
= U
N
× k
SC
/ Z
L-N
U
N
=110V,(90V≤U<121V)
Testing current 3.1 A (10 ms)
Nominal input voltage 110 V (45 Hz ÷ 65 Hz