METREL EurotestXC MI 3152 User Manual

MI 3152(H) EurotestXC (2,5 kV) Tests and measurements
149
7.25 AUTO TT – Auto test for TT earthing system
Tests / measurements implemented in AUTO TT
Voltage
Z line
Voltage Drop
Zs rcd
RCD Uc
Figure 7.84: AUTO TT menu
Measurement parameters / limits
I ΔN
Rated RCD residual current sensitivity [10 mA, 30 mA, 100 mA, 300 mA,
500 mA, 1000 mA]
Type
RCD type [AC, A, F, B*, B+*]
Selectivity
Characteristic [G, S]
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
I (U)
1)
Rated current for U measurement (custom value)
Isc factor
Isc factor [0.20 ... 3.00]
I test
Test current [Standard, Low]
Limit(ΔU)
Maximum voltage drop [3.0 % ... 9.0 %]
Limit Uc
Conventional touch voltage limit [12 V, 25 V, 50 V]
Ia(Ipsc (LN))
Minimum short circuit current for selected fuse or custom value
1)
Applicable if Fuse type is set to Off or Custom.
* Model MI 3152 only.
Refer to Fuse tables guide for detailed information on fuse data.

METREL EurotestXC MI 3152 Specifications

General

Brand	METREL
Model	EurotestXC MI 3152
Category	Measuring Instruments
Language	English