Sonel MPI-540 - 1 Safety

MPI-540 – USER MANUAL
5
5.1.3 Entering the measurement result ................................................................................. 161
5.1.4 Viewing saved measurements ..................................................................................... 162
5.1.5 Searching the meter memory ....................................................................................... 164
5.2 Recorder memory ................................................................................................ 165
5.2.1 microSD Memory Card ................................................................................................ 165
5.2.2 USB external memory (flash drive) .............................................................................. 165
5.2.3 Compatibility with Sonel Analysis software .................................................................. 166
5.2.4 PC connection and data transmission .......................................................................... 166
6 Power supply ................................................................................................ 167
6.1 Monitoring of the battery charge status ................................................................ 167
6.2 Replacing rechargeable batteries ........................................................................ 167
6.3 Charging the rechargeable batteries .................................................................... 168
6.4 General rules for using Li-Ion rechargeable batteries .......................................... 169
7 Cleaning and maintenance ......................................................................... 170
8 Storage .......................................................................................................... 170
9 Dismantling and utilisation ......................................................................... 170
10 Technical data .............................................................................................. 171
10.1 Basic data ............................................................................................................ 171
10.1.1 Measurement of alternating voltages (True RMS) ........................................................ 171
10.1.2 Frequency measurement ............................................................................................. 171
10.1.3 Measurement of fault loop impedance Z
L-PE
, Z
L-N
, Z
L-L
................................................. 171
10.1.4 Measurement of fault loop impedance Z
L-PE[RCD]
(without triggering of RCD) ........................... 172
10.1.5 Measurement of parameters of RCD ........................................................................... 173
10.1.6 Measurement of resistance-to-earth R
E
....................................................................... 175
10.1.7 Low-voltage measurement of continuity of circuit and resistance ................................. 176
10.1.8 Measurement of insulation resistance .......................................................................... 177
10.1.9 Light measurements .................................................................................................... 178
10.1.10 Phase sequence .......................................................................................................... 179
10.1.11 Motor rotation .............................................................................................................. 179
10.2 Recorder data ...................................................................................................... 179
10.2.1 Inputs........................................................................................................................... 179
10.2.2 Sampling and RTC ...................................................................................................... 180
10.2.3 Voltage measurement .................................................................................................. 180
10.2.4 Measurement of current (True RMS) ........................................................................... 181
10.2.5 Frequency measurement ............................................................................................. 181
10.2.6 Measuring harmonics................................................................................................... 182
10.2.7 Unbalance ................................................................................................................... 182
10.2.8 Power and energy measurement ................................................................................. 182
10.2.9 Estimated measurement uncertainty values for power and energy .............................. 183
10.3 Other technical data ............................................................................................. 184
10.4 Additional data ..................................................................................................... 185
10.4.1 Additional uncertainties according to IEC 61557-2 (R
ISO
) ............................................. 185
10.4.2 Additional uncertainties according to IEC 61557-3 (Z) ................................................. 185
10.4.3 Additional uncertainties according to IEC 61557-4 (R ±200 mA) .................................. 185
10.4.4 Additional uncertainties of earth resistance measurement (R
E
) .................................... 185
10.4.5 Additional uncertainties according to IEC 61557-6 (RCD) ............................................ 186
10.5 List of reference standards .................................................................................. 187
11 Accessories .................................................................................................. 187
11.1 Standard accessories .......................................................................................... 187