MPI-520 – USER MANUAL
Measurement of resistance-to-earth R
E
Selected
nominal cur-
rent of RCD
Measurement of touch voltage U
B
in relation to nominal differential current
Test range according to IEC 61557: 10.0...99.9 V
Measurement of RCD disconnection current I
A
for sinusoidal differential current
Test range according to IEC 61557: (0,3...1,0)I
Δn
Selected nomi-
nal current of
RCD
it is possible to start the measurement from the positive of the negative half of forced leakage current
test current passage time ............................... max. 3200 ms
Measurement of RCD disconnection current I
A
for differential unidirectional pulsed current and
unidirectional pulsed current with 6mA direct current offset
Test range according to IEC 61557: (0.35...1.4)I
n
for I
n
≥30 mA and (0.35...2)I
n
for I
n
=10 mA
Selected nomi-
nal current of
RCD
measurement can be performed for positive or negative half-periods of forced leakage current
test current passage time ................................ max. 3200 ms