Rcd Auto; Z Loop - Fault Loop Impedance And Prospective Fault Current - METREL EurotestXC MI 3152 Instruction Manual

MI 3152(H) EurotestXC (2,5 kV)
Limit contact voltage (Uc, Uc I) ............ 12 V, 25 V, 50 V
The accuracy is valid if mains voltage is stabile during the measurement and PE terminal is free
of interfering voltages. Specified accuracy is valid for complete operating range.
Trip-out measurement is not available for I

RCD Auto

12.6
Refer to chapter 12.5 RCD testing for technical specification of individual RCD tests.
Z loop – Fault loop impedance and prospective fault
12.7
current
Z – Fault loop impedance
Measuring range according to EN 61557 is 0.25  ... 9.99 k.
Measuring range ()
0.00 ... 9.99
10.0 ... 99.9
100 ... 999
1.00 k ... 9.99 k
Ipsc – Prospective fault current
Measuring range (A)
0.00 ... 9.99
10.0 ... 99.9
100 ... 999
1.00 k ... 9.99 k
10.0 k ... 23.0 k
Ulpe – Voltage
Measuring range (V)
0 ... 550
The accuracy is valid if mains voltage is stabile during the measurement.
Test current (at 230 V) ........................... 6.5 A (10 ms)
Nominal voltage range ........................... 93 V ... 134 V (45 Hz ... 65 Hz)
R, X values are indicative.
L
=1000 mA (RCD types B, B+).
N
Resolution ()
0.01
0.1
1
10
Resolution (A)
0.01
0.1
1
10
100
Resolution (V)
1
185 V ... 266 V (45 Hz ... 65 Hz)
180
Technical specifications
Accuracy
(5 % of reading + 5 digits)
 10 % of reading
Accuracy
Consider accuracy of fault
loop resistance measurement
Accuracy
(2 % of reading + 2 digits)