METREL MultiServicerXD MI 3325, Инструкция по эксплуатации

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MI 3325 MultiServicerXD Single tests
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Fuse t
1)
Maximum breaking time of selected fuse
Isc factor Correction factor Isc [0.2
… 3.0]
Test
3)
Selection of test [-, L-PE, L1-PE, L2-PE, L3-PE]
I ∆N 2)
Rated RCD residual current sensitivity [10 mA, 15 mA, 30 mA, 100 mA, 300
mA, 500 mA, 1000 mA]
RCD type
2)
RCD type [AC, A, F, B, B+]
Selectivity
2)
Characteristic [G, S]
I test Test current [Standard, Low]
1)
Parameter or limit is considered if Protection is set to TN.
2)
Parameter or limit is considered if Protection is set to TTrcd.
3)
With Plug test cable or 3-wire test lead Zs rcd is measured in the same way regardless
of the setting. The parameter is meant for documentation.
Refer to
Fuse tables guide for detailed information on fuse data.
Test limits
Ia(Ipsc)
1)
Minimum fault current for selected fuse
Limit Uc Contact voltage limit [12 V, 25 V, 50 V]
1)
Parameter or limit is considered if Protection is set to TN.
Connection diagram
Figure 6.72: Connection of Plug test cable or 3-wire test lead
Measurement procedure

Enter the Zs rcd function.

Set test parameters / limits.

Connect test cable to the instrument.

Connect 3-wire test lead or Plug test cable to the object under test, see Figure 6.72 .

Start the measurement.

Save results (optional).
Figure 6.73: Examples of Zs rcd measurement results