METREL EurotestXC MI 3152, Instruction Manual

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MI 3152(H) Eurotest XC (2,5 kV) Tests and measurements
91
Measurement limits for IT earthing system:
Low limit U12
7,9)
Min. voltage
[0 V … 499 V]
High limit U12
7,9)
Max. voltage
[0 V … 499 V]
Low limit U12
8)
Min. voltage [-
20% … 20%]
High limit U12
8)
Max. voltage [-
20% … 20%]
Low limit U1pe
7,8)
Min. voltage
[0 V … 499 V]
High limit U1pe
7,8)
Max. voltage
[0 V … 499 V]
Low limit U2pe
7,8)
Min. voltage
[0 V … 499 V]
High limit U2pe
7,8)
Max. voltage
[0 V … 499 V]
Low limit U13
9)
Min. voltage
[0 V … 499 V]
High limit U13
9)
Max. voltage
[0 V … 499 V]
Low limit U23
9)
Min. voltage
[0 V … 499 V]
High limit U23
9)
Max. voltage
[0 V … 499 V]
Low limit Ull
10)
Min. voltage [-
20% … 20%]
High limit Ull
10)
Max. voltage [-
20% … 20%]
7)
In case of 1-phase voltage system and limit type set to voltage.
8)
In case of 1-phase voltage system and limit type set to %.
9)
In case of 3-phase voltage system and limit type set to voltage.
10)
In case of 3-phase voltage system and limit type set to %.
Connection diagrams
Figure 7.2: Connection of 3-wire test lead and optional adapter in three-phase system
Figure 7.3: Connection of Plug commander and 3-wire test lead in single-phase system
Measurement procedure

Enter the Voltage function.

Connect test cable to the instrument.

Connect test leads to object under test (see Figure 7.2 and Figure 7.3 ).

Start the continuous measurement.