MI 3125 / BT EurotestCOMBO Technical specifications
69
9.4.2 RCD selected
Fault loop impedance
Measuring range according to EN61557 is 0.46 9.99 k for I test = “Std” and 0.48 Ω
9.99 kΩ for I test = “Low”.
(5 % of reading + 10
digits)
(5 % of reading + 12
digits)
Accuracy may be impaired in case of heavy noise on mains voltage.
Prospective fault current (calculated value)
Consider accuracy of fault
loop resistance
measurement
Nominal voltage range ....................... 93 V 134 V (45 Hz 65 Hz)
185 V 266 V (45 Hz 65 Hz)
No trip out of RCD.
9.5 Line impedance and prospective short-circuit current / Voltage
drop
Line impedance
Measuring range according to EN61557 is 0.25 9.99k.
(5 % of reading + 5 digits)
Prospective short-circuit current (calculated value)
Consider accuracy of line
resistance measurement
Test 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)