![METREL MultiServicerXD MI 3325 Скачать руководство пользователя страница 90](http://html1.mh-extra.com/html/metrel/multiservicerxd-mi-3325/multiservicerxd-mi-3325_instruction-manual_1779043090.webp)
MI 3325 MultiServicerXD
89
Test parameters
Test
Test type
[LN-W, W-PE, LN-PE, LN (Class II)
– P/S]
Duration
Duration [Off, 2 s
… 180 s]
Uiso
Nominal test voltage [500 V]dc
Test limits
Limit (Riso)
Low Limit (Riso) [Off, 2.5
MΩ, 5.0 MΩ ]
Test circuit, measurement procedure
Select the
Riso
function (welding equipment).
Set test parameters / limits.
Connect METREL 3-phase adapter (A 1422) to the instrument*.
Connect device under test to the 3-phase adapter*.
Start measurement.
Measurement can be stopped manually or by timer.
Save results (optional).
*For more information refer to chapter
Measurements according to IEC/ EN 60974-4
–
Insulation resistance
in 3-phase adapter instruction manual.
Figure 6.30: Examples of Insulation resistance (Welding equipment) measurement results
Note:
This test is applicable only with connected METREL 3-phase adapter (A1422).
6.2.5 Insulation resistance ISO (Installations)
Figure 6.31: Insulation resistance (Installations) measurement menu
Test results / sub-results
Riso
......... Insulation resistance
Um
........... Actual test voltage