Sonel WMGBMPI525 User Manual page 60

Measurement of RCD trip current I
Test range according to IEC 61557: (0.2...2)I
Selected nomi-
nal current of
RCD
10 mA
30 mA
100 mA
300 mA
500 mA

measurement can be performed for positive or negative residual current

test current pass time
Measurement of resistance-to-earth R
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
0.00...9.99 
10.0...99.9 
100...999 
1.00...1.99 k

test voltage: 25 V or 50 V rms

test current: 20 mA, sinusoidal rms 125 Hz (for f

blocking of measurement at interference voltage of U

maximum measured voltage of interferences U

maximum resistance of auxiliary earth electrodes: 50 k
Measurement of resistance of auxiliary earth electrodes R
Display range
000...999 
1.00...9.99 k
10.0...50.0 k
Measurement of interference voltages
Internal resistance: about 100 k
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
0.00...19.99 
20.0...199.9 
200...400 

Voltage at open terminals: 4...9 V
 Output current at R<2 : min. 200 mA (I

Compensation of test leads resistance

Measurements for both polarizations of test current
58
for residual direct current
A
Test range
2.0..20.0 mA
6..60 mA
20..200 mA
60..600 mA
100..1000 mA
................................ max. 5040 ms
E
Resolution
0.01 k
0.1 k
Range
0...100 V
MPI-525 – USER MANUAL
n
Resolution Test current
0.1 mA
0.2 x I
1 mA
Resolution
0.01 
0.1 
1 
0.01 k
=50 Hz) and 150 Hz (for f
n
>24 V
N
=100 V
Nmax
, R
H
1 
(5% (R
Resolution
1 V
Resolution
0.01 
0.1 
1 
: 200..250 mA)
SC
Accuracy
 10 % I
..2.0 x I
n n
Accuracy
(2% m.v. + 4 digits)
(2% m.v. + 3 digits)
=60 Hz)
n
S
Accuracy
+ R + R ) + 3 digits)
S E H
Accuracy
(2% m.v. + 3 digits)
Accuracy
(2% m.v. + 3 digits)
n