METREL EurotestXC MI 3152 Instruction Manual page 118

MI 3152(H) EurotestXC (2,5 kV)
Figure 7.40: Contact voltage measurement – Connection of A 1143
Measurement procedure

Enter the Z loop m function.

Set test parameters / limits.

Connect test leads to A 1143 – Euro Z 290 A adapter and switch it on.
 Connect A 1143 – Euro Z 290 A adapter to the instrument using RS232-PS/2 cable.

Connect test leads to the object under test, see Figure 7.39 and Figure 7.40.

Start the measurement using

Save results (optional).
Figure 7.41: Examples of high precision Loop impedance measurement result
Measurement results / sub-results
Z Loop impedance
Ipsc Standard prospective fault current
Imax Maximal prospective fault current
Imin
Minimal prospective fault current
Ub Contact voltage at maximal prospective fault current (contact voltage measured
against Probe S if used)
R Resistance of loop impedance
XL
Reactance of loop impedance
Ulpe Voltage L-PE
Freq Frequency
or button.
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Tests and measurements