Sonel WMGBMPI525 User Manual page 56

10.1 Basic data
 abbreviation „m.v." used in the specification of accuracy signifies standard measured value
Measurement of alternating voltages (True RMS)
Range
0.0...299.9 V
300...500 V

Frequency range: 45...65 Hz
Measurement of frequency
Range
45.0...65.0 Hz

Voltage range: 50...500 V
Measurement of short circuit loop impedance Z
Measurement of short circuit loop impedance Z
Test range according to IEC 61557:
Display range:
Display range
0...19.99 
20.0...199.9 
200...1999 

Nominal working voltage U
240/415 V

Working range of voltage: 95...270 V (for Z

Nominal network frequency f

Working range of frequency: 45...65 Hz

Maximum test current (for 415 V): 41.5 A (10 ms)

Test of correct PE terminal connection with a touch electrode
Indications of short circuit loop resistance R
Display range
0..19.99 

Calculated and displayed for a value of Z
54
10 Technical data
Resolution
Resolution
Test lead
1.2 m
5 m
10 m
20 m
WS-03, WS-04
Resolution
/ U : 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V,
nL-N nL-L
: 50 Hz, 60 Hz
n
Resolution
S
MPI-525 – USER MANUAL
0.1 V
1 V
0.1 Hz
, Z , Z
L-PE L-N L-L
S
Test range Z
0.13...1999 
0.17...1999 
0.21...1999 
0.29...1999 
0.19...1999 
0.01 
0.1 
1 
) and 95...440 V (for Z
and Z
L-PE L-N
and short circuit loop reactance X
S
0.01 
<20 
Accuracy
(2% m.v. + 6 digits)
(2% m.v. + 2 digits)
Accuracy
(0.1% m.v. + 1 digit)
S
Accuracy
(5% m.v. + 3 digits)
)
L-L
S
Accuracy
(5% + 5 digits) of Z
value
S