Sonel MPI-520 User Manual

MPI-520 – USER MANUAL
58
Measurement of RCD disconnection current I
A
for differential direct current
Test range according to IEC 61557: (0.2...2)I
n
Selected nomi-
nal current of
RCD
Test range
Resolution
Test current
Basic
uncertainty
10 mA
2.0..20.0 mA
0.1 mA
0.2 x I
n
..2.0 x I
n
 10 % I
n
30 mA
6..60 mA
1 mA
100 mA
20..200 mA
300 mA
60..600 mA
500 mA
100..1000 mA
 measurement can be performed for positive or negative forced leakage current
 test current passage time ................................ max. 5040 ms
Measurement of resistance-to-earth R
E
Test range according to IEC 61557-5: 0,5 …1,99 k for test voltage of 50 V and 0,56 …1,99 k for
test voltage of 25 V
Range
Resolution
Basic uncertainty
0.00...9.99 
0.01 
(2% w.m. + 4 digits)
10.0...99.9 
0.1 
(2% w.m. + 3 digits)
100...999 
1 
1.00...1.99 k
0.01 k
 test voltage: 25 V or 50 V rms
 test current: 20 mA, sinusoidal rms 125 Hz (for f
n
=50 Hz) and 150 Hz (for f
n
=60 Hz)
 blocking of measurement at interference voltage of U
N
>24 V
 maximum measured voltage of interferences U
Nmax
=100 V
 maximum resistance of auxiliary earth electrodes: 50 k
Measurement of resistance of auxiliary earth electrodes R
H
, R
S
Display range
Resolution
Basic uncertainty
000...999 
1 
(5% (R
S
+ R
E
+ R
H
) + 3 digits)
1.00...9.99 k
0.01 k
10.0...50.0 k
0.1 k
Measurement of interference voltages
Internal resistance: about 100 k
Range
Resolution
Basic uncertainty
0...100 V
1 V
(2% w.m. + 3 digits)
Low-voltage measurement of continuity of circuit and resistance
Measurement of continuity of protective conductors and equipotential bondings with 200 mA current
Test range according to IEC 61557-4: 0,12…400 
Range
Resolution
Basic uncertainty
0.00...19.99 
0.01 
(2% w.m. + 3 digits)
20.0...199.9 
0.1 
200...400 
1 
 Voltage at open terminals: 4…9 V
 Output current at R<2 : min. 200 mA (I
SC
: 200..250 mA)
 Compensation of test leads resistance
 Measurements for both current polarizations

Sonel MPI-520 Specifications

General

Brand	Sonel
Model	MPI-520
Category	Measuring Instruments
Language	English