Performing Tests In Compliance With - Unitest Telaris 0751 Instruction Manual

5.3 Performing Tests in compliance with

DIN VDE 0701, Part 1 (issue 2000-09)
DIN VDE 0701 defines the requirements regarding
the electrical safety for electrical appliances. It con-
tains the tests and limit values for repaired or mod-
ified appliances. After repair or modification, it must
be ensured that there will be no risk of danger for
the user if the appliance is used appropriately.
The test order is as follows:
1.) Visual Check
2.) Test of PE resistance (for appliances of protec-
tion class I)
The limit value amounts to:
0.3 Ω for appliances equipped with mains leads
up to 5 m, plus 0.1 Ω for every further 7.5 m,
however, maximum 1.0 Ω.
3.) Insulation resistance measurement (if applica-
ble) The limit value amounts to:
1 MΩ for appliances of protection class I
2 MΩ for appliances of protection class II* Re-
mark 1
0.25 MΩ for appliances of protection class III
0.3 MΩ for appliances of protection class I with
switched on heating elements * Remark 2
Remark 1: This is also applicable for conductive
parts of class I appliances which are NOT connect-
ed to PE.
Remark 2: For appliances of class I (with heating el-
ements) at which the required limit values for insu-
lation resistance is not fulfilled, the appliance test
could be considered as passed, if the PE current is
within the limits.
Performing Tests in compliance with DIN VDE 0701
4a.) Measurement of PE resistance Current
The PE resistance current may be measured either
directly via the substitute leakage current method or
via the differential current method
4b.) Measurement of the touch current (for appli-
5.) Functional Test
6.) Test of Markings
(for appliances of protection class I)
The limit value amounts to 3.5 mA.
-at appliances with heating elements and a
rated power of > 3.5 kW the PE current may not
exceed 1 mA/1 kW.
-for ovens/cooking facilities, etc. up to 6 kW 7
mA, more than 6 kW 15 mA.
ances of protection class II)
The limit value amounts to 0.5 mA
The touch current may be measured directly
either via the substitute leakage current
method or via the differential current method.
These measurements must also be carried out
for appliances of protection class I equipped
with touchable, conductive parts.
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