Zs Rcd - Fault Loop Impedance And Prospective Fault Current In System With Rcd; Z Loop M - High Precision Fault Loop Impedance And Prospective Fault Current - METREL EurotestXC MI 3152 Instruction Manual

MI 3152(H) EurotestXC (2,5 kV)
Zs rcd – Fault loop impedance and prospective fault
12.8
current in system with RCD
Z – Fault loop impedance
Measuring range according to EN 61557 is 0.46  ... 9.99 k for I test = standard and 0.48  ...
9.99 k for I test = low.
Measuring range ()
0.00 ... 9.99
10.0 ... 99.9
100 ... 999
1.00 k ... 9.99 k
Accuracy may be impaired in case of heavy noise on mains voltage.
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
Uc – Contact voltage
Refer to chapter 12.5.1 RCD Uc – Contact voltage for detailed technical specification.
Nominal voltage range ........................... 93 V ... 134 V (45 Hz ... 65 Hz)
No trip out of RCD. R, X
Z loop m – High precision fault loop impedance and
12.9
prospective fault current
Refer to A 1143 – Euro Z 290 A adapter Instruction manual for detailed technical
specification.
Resolution ()
(5 % of reading + 10
0.01
0.1
1
10
Resolution (A)
0.01
Resolution (V)
185 V ... 266 V (45 Hz ... 65 Hz)
values are indicative.
L
Accuracy
I test = standard
digits)
 10 % of reading
0.1
Consider accuracy of fault
1
loop resistance measurement
10
100
(2 % of reading + 2 digits)
1
181
Technical specifications
Accuracy
I test = low
(5 % of reading + 12
digits)
 10 % of reading
Accuracy
Accuracy