MI 3152(H)
Eurotest
XC (2,5 kV)
Tests and measurements
106
Fault Loop resistance is indicative and calculated from Uc result (without additional proportional
factors) according to:
𝑅
𝐿
=
𝑈
𝐶
𝐼
∆𝑁
.
Figure 7.28: Examples of Contact voltage measurement result
Test result / sub-results
Uc
Contact voltage
Rl
Calculated fault loop resistance
7.7.2 RCD t
– Trip-out time
Test procedure
Enter the
RCD t
function.
Set test parameters / limits.
Connect test cable to the instrument.
Connect test leads or Plug commander to the object under
Start the measurement.
Save results (optional).
Figure 7.29: Examples of Trip-out time measurement result
Test results / sub-results
t ∆N
Trip-out time
Uc
Contact voltage for rated I
N