Benning IT 130 - 8.5 Line impedance and prospective short-circuit current; voltage drop

BENNING IT 130 Technical data
- 76 -
8.5 Line impedance and prospective short-circuit current / voltage drop
Line impedance
Measuring range according to EN 61557-3: 0.25 Ω ÷ 9.99 kΩ
Measuring range (Ω
ΩΩ
Ω) Resolution (Ω
ΩΩ
Ω)
Accuracy
0.00 ÷ 9.99
0.01
10.0 ÷ 99.9
0.1
± (5 % of the measured value + 5
digits)
100 ÷ 999
1
1.00 k ÷ 9.99 k
10
±10 % of the measured value
Prospective short-circuit current (calculated value)
Measuring range (A) Resolution (A) Accuracy
0.00 ÷ 0.99
0.01
1.0 ÷ 99.9
0.1
100 ÷ 999
1
1.00 k ÷ 99.99 k
10
100 k ÷ 199 k
1000
Please observe the accuracy of the
line impedance measurement.
Testing current (at 230 V) ...................... 6.5 A (10 ms)
Nominal voltage range........................... 93 V ÷ 134 V (45 Hz ÷ 65 Hz)
185 V ÷ 266 V (45 Hz ÷ 65 Hz)
321 V ÷ 485 V (45 Hz ÷ 65 Hz)
Voltage drop (calculated value)
Measuring range (%) Resolution (%) Accuracy
0.0 ÷ 99.9
0.1
Please observe the accuracy of the line
impedance measurement*.
Z
REF
measuring range ............................0.00 Ω ÷ 20.0 Ω
* Please refer to chapter 5.6.2 Voltage drop for information on how to calculate the voltage drop.