METREL MI 3125 - Socket Test Measurement Steps and Results

MI 3125 EurotestCOMBO Socket outlet test
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Socket test measurement procedure
 Select the SOCKET function using the function selector switch.
 Select test parameters (optional).
 Connect test cable to the instrument.
 Compensate the test leads resistance (if necessary, see section 5.1).
 Connect test leads to the socket or connection terminals (see figure 5.35).
 Press the TEST key to perform the measurement.
Figure 5.36: Examples of Socket test result
Displayed results:
Rln............ Resistance between L and N terminals,
Rlpe.......... Resistance between L and PE terminals,
Rnpe......... Resistance between N and PE terminals,
Rpe........... Resistance of PE conductor between socket PE terminal and PE bar in
the switchboard.
Notes:
 Take care about correct termination at the switchboard side. All three test leads
are usually connected during this test, in combination with the Resistance box (A
1195).
 To prevent hazardous of electric shock do not connect Resistance box (A
1195) to any active mains supply line!