Z Auto - Auto Test For Fast Line And Loop Testing - METREL EurotestXC MI 3152 Instruction Manual

MI 3152(H) EurotestXC (2,5 kV)

Z auto - Auto test for fast line and loop testing

7.29
Tests / measurements implemented in Z auto test sequence
Voltage
Z line
Voltage Drop
Zs rcd
Uc
Measurement parameters / limits
Protection Protection type [TN, TNrcd, TTrcd]
Fuse type Selection of fuse type [Off, gG, NV, B, C, D, K, Custom]
Fuse I Rated current of selected fuse
Fuse t Maximum breaking time of selected fuse
Rated current for U measurement (custom value)
1)
I (U)
Isc factor Isc factor [0.20 ... 3.00]
I test Test current [Standard, Low]
Type RCD type [AC, A, F, B*, B+*,F]
I ΔN
Rated RCD residual current sensitivity [10 mA, 30 mA, 100 mA, 300 mA,
500 mA, 1000 mA]
Selectivity Characteristic [G, S]
2)
Phase Selection of test [-, L1, L2, L3]
I test Test current [Standard, Low]
Limit(ΔU)
Maximum voltage drop [3.0 % ... 9.0 %]
Ia(Ipsc (LN), Minimum short circuit current for selected fuse or custom value
3)
Ipsc (LPE))
Limit Uc Conventional touch voltage limit [12 V, 25 V, 50 V]
1)
Applicable if Fuse type is set to Off or Custom.
2)
With Plug test cable or Plug commander Z auto test is measured in the same way
regardless of the setting. The parameter is meant for documentation.
3)
Ipsc (LPE) is considered if Protection is set to TN or TNrcd. Ipsc(LN) is always
considered.
* Model MI 3152 only
Refer to Fuse tables guide for detailed information on fuse data.
Figure 7.96: Z auto menu
157
Tests and measurements