20
•
R
PE
depends on the length and cross-section of the tested cable!
• If R
PE
is higher than limit value (≤0.3 Ω up to a length of 5 m), but lower than 1 Ω,
the measured value is displayed without rating. The “tAble” symbol is displayed,
and the test sequence stops. Main test person needs to decide about correctness
of result.
• In the table below, typical cable resistances can be found:
Lead length
Conductor cross section
1.0 mm²
15 mm²
2.5 mm²
5 m
0.1 Ω
0.06 Ω
0.04 Ω
10 m
0.2 Ω
0.12 Ω
0.08 Ω
25 m
0.5 Ω
0.3 Ω
0.2 Ω
50 m
1.0 Ω
0.6 Ω
0.4 Ω
• If main test person decides to R
PE
value rate like a good (below limit), need to press the button (2). In that case, a
tick symbol will be displayed beside the R
PE
value and the test can continue.
• If main test person decides to R
PE
value rate like not good (above limit), need to press the button (3). “FAIL” will be
displayed and test is stopped.
• After R
PE
test is passed, the R
ISO
is measured automatically.
• Tick symbol is displayed next to the R
ISO
symbol if value is above limit.
• After R
ISO
test is passed, L) and N are tested (open and short-circuit); tick symbol is
displayed next to the cable symbol is passed.
•
“PASS” will be shown on the display if whole test is successfully finished.
• If the open / short-circuit test fail, instead of display message “Good” message below will be shown:
- “OPEn” symbol: open circuit in L lead or in N lead, or,
- “SHOr” symbol: short-circuit between L) and N.
