Equivalent Leakage Current - TESTBOY TV 470 Bedienungsanleitung

Information to DIN VDE 0701-0702:2008-06
Only a visual inspection can be done with class-II DUTs that have no ex-
|
posed conductive components.

Equivalent leakage current

It is mandatory to carry out the equivalent leakage current test even with
good insulation resistance.
Limits
Protection class
class-I
class-II
Important notes
The insulation test is only valid when all circuits in the device are acti-
|
vated.
When measuring the PE conductor or contact current, the DUT should
|
be set in an isolated position and be separated from all other connec-
tions. This is not necessary with differential current measurements. A
measurement is necessary during standard usage in both cases.
Reverse the mains power plug (if possible) when the PE conductor cur-
|
rent, differential current or contact current is measured.
Distinguish between equivalent leakage, contact, PE conductor or differ-
|
ential current.
If touch current is measured because a break is not possible, the insula-
|
tion measurement should be done later.
Note the different limit values in DIN VDE0701 Part 1 - 240!
|
With an all-pole disconnecting capacitive circuitry switch, halve the
|
measured value.
Measuring the equivalent leakage current is not suitable for multi-phase
|
devices.
Devices with high leakage current should be marked as such.
|
66
DIN VDE 0701
< 3.5 mA or 1 mA/kW
or with exposed conductive component without PE
< 0.5 mA
DIN VDE 0702
®
Testboy TV 470