Sonel MPI-520 - 7 Cleaning and maintenance

MPI-520 – USER MANUAL
54
Range
[W], [VA], [var]
Resolution
[W], [VA], [var]
Basic uncertainty (with regard to
apparent power S)
*)
0.0..99.9
0,1
(7% w.m. + 3 digits)
100..999
1
1.00..9.99 k
0.01 k
(7% w.m. + 5 digits)
10,0..99,9 k
0.1 k
100 … 200 k
1 k
 Voltage range: 0…500 V
 Current range: 0...400 A
 Nominal network frequency f
n
: 50 Hz, 60 Hz
 Number of phases of the circuit tested: 1
 Range of cosφ display: 0.00..1.00 (resolution 0.01)
*) U: 50…500 V, I: 10 mA…400 A
Error of clamp must be additionally taken into account
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)
 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 
(5% + 5 digits) of Z
S
value
 Calculated and displayed for a value of Z
S
<20 