METREL EurotestXC MI 3152 User Manual

MI 3152(H) EurotestXC (2,5 kV) Tests and measurements
156
Connection diagram
Figure 7.94: AUTO IT measurement
Measurement procedure
 Enter the AUTO IT function.
 Set test parameters / limits.
 Measure the impedance Zref at origin (optional), see chapter
7.14 Voltage Drop.
 Connect test cable to the instrument.
 Connect test leads to the object under test, see Figure 7.94.
 Start the Auto test.
 Save results (optional).
Figure 7.95: Examples of AUTO IT measurement results
Measurement results / sub-results
Uln
Voltage between phases L1 and L2
ΔU
Voltage drop
Isc1
First fault leakage current at single fault between L1/PE
Isc2
First fault leakage current at single fault between L2/PE
R1
Threshold insulation resistance between L1-PE
R2
Threshold insulation resistance between L2-PE
I1
Calculated first fault leakage current for R1
I2
Calculated first fault leakage current for R2
Z (LN)
Line impedance
Zref
Reference Line impedance
Ipsc (LN)
Prospective short-circuit current

METREL EurotestXC MI 3152 Specifications

General

Brand	METREL
Model	EurotestXC MI 3152
Category	Measuring Instruments
Language	English