Sonel MPI-540 - 8.1.10 Phase Sequence; 8.1.11 Motor Rotation; Measurement of Open Circuit DC Voltage U; Measurement Od Short Circuit DC Current I

MPI-540 ● MPI-540-PV – BRIEF USER MANUAL
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Measuring ranges of LP-10A probe
Range
[lx]
Resolution
[lx]
Spectral
uncertainty
Accuracy
0...3.999
0.001
f1<2%
(2% m.v. + 5 digits)
4.00...39.99
0.01
40.0...399.9
0.1
400...3999
1
4.00 k…39.99 k
0.01 k
40.0 k…399.9 k
0.1 k
 Probe class A
8.1.10 Phase sequence
 Phase sequence indication: in the same direction (correct), opposite direction (incorrect)
 Range of network voltages U
L-L
: 95 V...500 V (45 Hz…65 Hz)
 Display of phase-to-phase voltages
8.1.11 Motor rotation
 SEM motor voltage ranges: 1 V ÷ 500 V AC
 Test current (per phase): <3,5 mA
8.1.12 Measurement of open circuit DC voltage U
OC
Range
Resolution
Accuracy
0.0 V...299.9 V
0.1 V
(3% m.v. + 5 digits)
300 V…1000 V
1 V
(3% m.v. + 2 digits)
8.1.13 Measurement od short circuit DC current I
SC
Range
Resolution
Accuracy
0.00 A...20.00 A
0.01 A
(3% m.v. + 0,10 A)
 Before the measurement reset the clamp
8.2 Recorder data
Recorder class: compliance with EN 61000-4-30:2015 class S.
8.2.1 Inputs
Voltage input terminals
Number of inputs
4 (L1, L2, L3, N - 3 measuring channels) not galvanically in-
sulated from one another
Maximum input voltage
L1, L2, L3, N: 500 V
RMS
relative to earth.
Peak input voltage (without cutting)
1150 V (L-N)
Analogue transmission band (-3 dB)
12 kHz
Transformers
defined by user
Impedance of measurement inputs
14 M (L-L, L-N)
CMRR
>70 dB (50 Hz)