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BRIEF USER MANUAL

METER FOR ELECTRICAL INSTALLATION

PARAMETERS

MPI-540 ● MPI-540-PV

SONEL S.A.

Wokulskiego 11

58-100 Świdnica

Poland

Full version of the manual is provided

on the website www.sonel.com

Version 2.06 20.07.2022

Main Page

Table of Contents4
Security7
Main Menu8
Meter Settings9
Measurement Settings9
Sub-Menu Measurements9
Sub-Menu PV Modules10
Communication12
USB Communication12
Connection with an Irradiance Meter12
Regional Settings12
Measurements13
Checking the Correctness of PE (Protective Earth) Connections14
Fault Loop Parameters15
Fault Loop Parameters in the L-N and L-L Circuits15
Fault Loop Parameters in the L-PE Circuit15
Fault Loop Impedance in L-PE Circuit Protected with a Residual Current Device (RCD)16
Measurement of Fault Loop Impedance in IT Networks17
Voltage Drop18
Resistance-To-Earth19
Earth Resistance Measurement with 3-Pole Method (R 3P)19
Earth Resistance Measurement with 4-Wire Method (R 4P)20
Earth Resistance Measurement with 3-Pole Method with Additional Clamp (R 3P+C)21
Earth Resistance Measurement with Two-Clamp Method (2C)22
Soil Resistivity23
RCD Parameters24
Measurements in IT Networks25
Automatic Measurements of RCD Parameters26
Setting Automatic Measurements of RCD Parameters26
Automatic Measurement of RCD Parameters27
Insulation Resistance29
Low-Voltage Measurement of Resistance31
Measurement of Resistance31
Measurement of Resistance of Protective Conductors and Equipotential Bonding with ±200 Ma Current31
3.10 Sequence of Phases32
3.11 Motor Rotation Direction33
3.12 Illuminance34
Resistance-To-Earth (PV)34
Insulation Resistance (PV)35
Continuity of Connections (PV)35
Open Circuit DC Voltage U36
Short Circuit DC Current I37
Test of the Inverter Panel Η, P, I38
3.18.1 Measurement Configuration39
3.18.2 Live Mode40
Resetting C-PV Clamp41
Irradiance and Temperature41
Auto Measurements42
Proceeding Auto Measurements42
Creating Measurement Procedures44
Recorder46
Functional Description46
Main Elements of the Screen48
Main Menu48
Information Bar on the Parameters of the Current Network49
Help49
Connecting the Measuring System49
Measuring Arrangements49
Recording Configuration52
Analyzer Settings53
LIVE Mode of the Network54
Transient Waveforms of Current and Voltages (Waveforms)54
Timeplot of Effective Values54
Live" Mode - Tabular View54
Vector Diagram of Fundamental Components (Phasor)55
Harmonics Graph/Table56
Switching the Recording On/Off56
Recording Analysis56
Energy Loss Calculator57
Functional Description57
Configuration of the Loss Calculator58
Inverter Efficiency58
Memory of the Meter59
Memory of Measurements59
Memory Settings59
Structure of the Memory60
Entering the Measurement Result60
Recorder Memory61
Microsd Memory Card61
USB External Memory (Flash Drive)61
Compatibility with Sonel Analysis Software61
PC Connection and Data Transmission62
Power Supply62
Monitoring of the Battery Charge Status62
Replacing Rechargeable Batteries62
Charging the Rechargeable Batteries62
Technical Data63
Basic Data63
Measurement of Alternating Voltages (True RMS)63
Frequency Measurement63
Measurement of Fault Loop Impedance Z63
L-Pe , Z L-N , Z L-L63
Measurement of Fault Loop Impedance Z64
L-PE[RCD] (Without Triggering of RCD)64
Measurement of Parameters of RCD64
Measurement of Resistance-To-Earth R65
Low-Voltage Measurement of Continuity of Circuit and Resistance66
Measurement of Insulation Resistance66
Light Measurements67
8.1.10 Phase Sequence68
8.1.11 Motor Rotation68
Measurement of Open Circuit DC Voltage U68
Measurement Od Short Circuit DC Current I68
Recorder Data68
Inputs68
Sampling and RTC69
Voltage Measurement69
Measurement of Current (True RMS)70
Frequency Measurement70
Measuring Harmonics71
Unbalance71
Power and Energy Measurement71
Other Technical Data72
Accessories73
Standard Accessories73

Sonel MPI-540 - Page 3

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