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Sonel MPI-520 User Manual
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MPI-
520
–
USER MANU
AL
41
Connect the
m
eter to the
installation according
to the drawing.
L3
L2
L1
The arrow
rotates
to the right: cor
rect
sequence of
phases; the arr
ow
rotates to the left:
incorrect sequen
ce
of phases.
Phase-
to
-phase
voltages.
Signalling the
presence of
individual phase
s.
42
44
Table of Contents
Table of Contents
5
Safety
7
Menu
8
Wireless Transmission
8
Settings of Measurements
9
Network Voltage and Frequency
9
Main Result of Short Circuit Loop Impedance Measurement
10
Measurement Settings
10
Cell Autoincrementing
10
Settings of the Meter
11
LCD Contrast
11
LCD Backlight
12
Auto-OFF Settings
12
Date and Time
12
Factory (Default) Settings
13
Program Update
13
Language Selection
13
Information about Manufacturer
13
Measurements
14
Measurement of Alternating Voltage and Frequency
14
Checking Correctness of PE (Protective Earth) Connections
14
Measurement of Current, Active Power, Reactive Power, Apparent Power and Cosφ Coefficient
15
Measurement of Short Circuit Loop Parameters
16
Measurement of Short Circuit Loop Parameters in L-N and L-L Circuit
16
Measurement of Short Circuit Loop Parameters in L-PE Circuit
18
Measurement of Short Circuit Loop Impedance in L-PE Circuit Protected with Residual Current Device (RCD)
20
Prospective Short-Circuit Current
21
Measurement of Resistance-To-Earth
22
Measurement of RCD Parameters
25
Measurement of RCD Disconnection Current
25
Measurement of RCD Disconnection Time
27
Automatic Measurement of RCD Parameters
29
Measurement of Insulation Resistance
32
Double-Lead Measurement
32
Measurements with Autoiso-1000C Adapter
35
Measurements by Means of Leads with UNI-Schuko Outlet Plug (WS-03 and WS-04)
36
Low-Voltage Measurement of Resistance
38
Measurement of Resistance of Protective Conductors and Equipotential Bonding with ±200 Ma Current
38
Measurement of Resistance
40
Calibration of Test Leads
41
Checking Sequence of Phases
42
Memory of Measurement Result Data
44
Recording Measurement Result Data in the Memory
44
Viewing Memory Data
45
Deleting Memory Data
48
Data Transmission
49
Computer Connection Accessories
49
Data Transmission with USB Joint
49
Data Transmission with OR-1 Radio Module
49
Power Supply
51
Monitoring of the Power Supply Voltage
51
Replacement of Batteries (Accumulators)
52
Charging of Accumulators
52
General Principles Regarding Using Ni-MH Accumulators
54
Cleaning and Maintenance
54
Storage
55
Dismantling and Utilisation
55
Technical Data
55
Basic Data
55
Additional Data
63
Additional Uncertainties According to IEC 61557-2
63
Additional Uncertainties According to IEC 61557-3 (Z)
63
Iso )
63
Additional Uncertainties According to IEC 61557-4 (R ±200 Ma)
63
Additional Uncertainties According to IEC 61557-5
64
Additional Uncertainties According to IEC 61557-6 (RCD)
65
Accessories
65
Standard Accessories
65
Optional Accessories
65
Positions of the Meter's Cover
66
Manufacturer
66
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Operating Manual
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Sonel MPI-520 Specifications
General
Brand
Sonel
Model
MPI-520
Category
Measuring Instruments
Language
English
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