Sonel MPI-540 - Phase Sequence; Motor Rotation; Recorder Data; Inputs

MPI-540 – USER MANUAL
179
Range
[fc]
Resolution
[fc]
Spectral
uncertainty
Basic
uncertainty
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
 Probe class A
10.1.10 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
10.1.11 Motor rotation
 SEM motor voltage ranges: 1 V ÷ 500 V AC
 Test current (per phase): <3.5 mA
10.2 Recorder data
Recorder class: compliance with EN 61000-4-30:2015 class S.
10.2.1 Inputs
Voltage input terminals
Number of inputs
5 (L1, L2, L3, N - 3 measuring channels) not galvanically in-
sulated
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)
Current input terminals
Number of inputs
3 (L1, L2, L3) not galvanically insulated from one another
Maximum peak input
voltage
5 V relative to earth
Nominal input voltage
(hard clamps)
1 V
RMS
Peak input voltage (hard
clamps, without cutting)
3.6 V