Sonel MPI-536 - Table of Contents

MPI-536 – USER MANUAL
3
CONTENTS
1 Safety ................................................................................................................ 6
2 Main menu ........................................................................................................ 7
2.1 Meter settings........................................................................................................... 8
2.1.1 Setting date and time ....................................................................................................... 9
2.1.2 Automatic shutdown ...................................................................................................... 10
2.1.3 Display parameters ........................................................................................................ 11
2.2 Settings of measurements ..................................................................................... 12
2.2.1 Sub-menu Measurement Settings .................................................................................. 12
2.2.2 Sub-menu Edit fuses ..................................................................................................... 14
a. Adding fuse characteristics .......................................................................................... 14
b. Adding fuses ................................................................................................................ 19
2.3 Communication ...................................................................................................... 21
2.3.1 USB communication ...................................................................................................... 21
2.3.2 Connection to a Wi-Fi network ....................................................................................... 21
2.3.3 E-mail settings ............................................................................................................... 21
2.4 Update ................................................................................................................... 22
2.4.1 Update via USB ............................................................................................................. 22
2.4.2 Update via Wi-Fi ............................................................................................................ 22
2.5 Regional settings ................................................................................................... 23
2.6 Meter information ................................................................................................... 23
3 Measurements ................................................................................................ 24
3.1 Diagnostics performed by the meter – limits .......................................................... 25
3.2 Measurement of alternating voltage and frequency ............................................... 25
3.3 Checking the correctness of PE (protective earth) connections ............................ 26
3.4 Fault loop parameters ............................................................................................ 27
3.4.1 Settings of measurements ............................................................................................. 27
3.4.2 Fault loop parameters in the L-N and L-L circuits ........................................................... 29
3.4.3 Fault loop parameters in the L-PE circuit ....................................................................... 32
3.4.4 Fault loop impedance in L-PE circuit protected with a residual current device (RCD) .... 35
3.4.5 Prospective short-circuit current .................................................................................... 38
3.4.6 Measurement of fault loop impedance in IT networks .................................................... 39
3.5 Voltage drop ........................................................................................................... 40
3.6 Resistance-to-earth ................................................................................................ 42
3.6.1 Settings of measurements ............................................................................................. 42
3.6.2 Earth resistance measurement with 3-pole method (R
E
3P) ............................................ 43
3.6.3 Earth resistance measurement with 4-wire method (R
E
4P) ............................................ 47
3.6.4 Earth resistance measurement with 3-pole method with additional clamp (R
E
3P+C) ..... 51
3.6.5 Earth resistance measurement with two-clamp method (2C) ......................................... 55
3.7 Soil resistivity ......................................................................................................... 58
3.7.1 Settings of measurements ............................................................................................. 58
3.7.2 Main elements of the screen .......................................................................................... 59
3.7.3 Soil resistivity measurements (ρ) ................................................................................... 60
3.8 RCD parameters .................................................................................................... 64
3.8.1 Settings of measurements ............................................................................................. 64
3.8.2 RCD tripping current ...................................................................................................... 67
3.8.3 RCD tripping time .......................................................................................................... 70
3.8.4 Measurements in IT networks ........................................................................................ 73
3.9 Automatic measurements of RCD parameters....................................................... 74
3.9.1 Setting automatic measurements of RCD parameters ................................................... 74
3.9.2 Automatic measurement of RCDs .................................................................................. 75