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