Amprobe Multitest-2000 Continuity-Tester - Manual (Page 36)

AMPROBE
MULTITEST2000
Standard Brief description Test voltage Maximum limit value
CEI 64-8/6
Systems SELV or PELV
Systems up to 500V (Civil installations)
Systems over 500V
250VDC
500VDC
1000VDC
> 0.250M Ω
> 0.500M Ω
> 1.0M Ω
CEI 64-8/4
Floor and wall insulation in civil installations
Floor and wall insulation in systems over 500V
500VDC
1000VDC
> 50k Ω (se V<500V)
> 100k Ω (se V>500V)
EN60439 Electrical panel boards 230/400V 500VDC > 230k Ω
EN60204 Electrical equipment of machines 500VDC > 1M Ω
CEI 64-4 Floor insulation in medical rooms 500VDC
<1M Ω (if the floor is at least 1 year old)
<100M Ω (if the floor is at least 1year old)
Table1: Table reporting the test voltage and the corresponding limit values for
few Guidelines.
Rated voltage selected
for the test
R
MAX
= Maximum resistance
value
50VDC 99.9M
Ω
100VDC 199.9M
Ω
250VDC 499M
Ω
500VDC 999M
Ω
1000VDC 1999M
Ω
Table2: Table of maximum resistance values which can be measured under M
Ω
mode depending on the rated voltage selected.
6. If the "TMR" mode was selected use the F3, F4 keys to set the duration time of
the test: