Sonel MPI-520 - 10 Technical data; 10.1 Basic data

MPI-520 OPERATING MANUAL version 3.4
57
Measurement of short circuit loop impedance Z
L-PE
RCD (without triggering of RCD)
Measurement of short circuit loop impedance Z
S
Test range according to IEC 61557: 0.50…1999  for 1.2 m, WS-03 and WS-04 leads and
0.51...1999  for 5 m, 10 m and 20 m leads
Display range
Resolution
Basic uncertainty
0...19.99 
0.01 
(6% w.m. + 10 digits)
20.0...199.9 
0.1 
(6% w.m. + 5 digits)
200...1999 
1 
 It does not cause triggering of RCD of I
Δn
≥ 30 mA
 Nominal working voltage U
n
: 110 V, 115 V, 127 V, 220 V, 230 V, 240 V
 Working range of voltage: 95…270 V
 Nominal network frequency f
n
: 50 Hz, 60 Hz
 Working range of frequency: 45…65 Hz
 Control of correctness of PE terminal connection by means of a touch electrode
Indications of short circuit loop resistance R
S
and short circuit loop reactance X
S
Display range
Resolution
Basic uncertainty
0..19.99 
0.01 
(6% + 10 digits) of Z
S
val-
ue
 Calculated and displayed for a value of Z
S
<20 
Indications of short-circuit current I
K
Test range according to IEC 61557 can be calculated on the basis of test ranges for Z
S
and nominal
voltages.
Display range
Resolution
Basic uncertainty
0.055…1.999 A
0.001 A
Calculated on the basis of
uncertainty for fault loop
2.00...19.99 A
0.01 A
20,0...199.9 A
0.1 A
200...1999 A
1 A
2.00...19.99 kA
0.01 kA
20.0…40.0 kA
0.1 kA
Measurement of parameters of RCD
 Nominal working voltage U
n
: 110 V, 115 V, 127 V, 220 V, 230 V, 240 V
 Working range of voltage: 95…270 V
 Nominal network frequency f
n
: 50 Hz, 60 Hz
 Working range of frequency: 45…65 Hz