MI 3325 MultiServicerXD
124
R-
Result at negative test polarity
Test parameters
Output
1)
[LPE, LN]
Bonding
[Rpe, Local]
1)
R low measurement depends on Output parameter setting, see table below.
Output:
Test terminals:
LN
L and N
LPE
L and PE
Table 6.6: Rlow measuring terminals and Output parameter dependency
Test limits
Limit(R)
Max. resistance
[Off, 0.05
Ω ... 20.0 Ω]
Connection diagram
Figure 6.90: Connection of 3-wire test lead plus optional Extension lead
Measurement procedure
Enter the
R low
function.
Set test parameters / limits.
Connect 3-wire test lead to the instrument.
Compensate the test leads resistance if necessary, see chapter
Compensation of test leads resistance
Disconnect tested installation from mains supply and discharge insulation as required.
Start the measurement.
Save results (optional).
Figure 6.91: Examples of R low measurement result
