CONTENTS
1 Safety ................................................................................................................ 7
2 Main menu ........................................................................................................ 8
2.1 Meter settings........................................................................................................... 9
2.1.1 Setting date and time ..................................................................................................... 10
2.1.2 Automatic shutdown ...................................................................................................... 11
2.1.3 Display parameters ........................................................................................................ 13
2.2 Settings of measurements ..................................................................................... 14
2.2.1 Sub-menu Measurement Settings .................................................................................. 14
2.2.2 Sub-menu Edit fuses ..................................................................................................... 16
a. Adding security characteristics ..................................................................................... 16
b. Adding fuses ................................................................................................................ 20
2.3 Communication ...................................................................................................... 24
2.3.1 USB communication ...................................................................................................... 24
2.4 Update ................................................................................................................... 24
2.5 Regional settings ................................................................................................... 25
2.6 Meter information ................................................................................................... 26
3 Measurements ................................................................................................ 27
3.1 Diagnostics performed by the meter – limits .......................................................... 28
3.2 Measurement of alternating voltage and frequency ............................................... 28
3.3 Checking the correctness of PE (protective earth) connections ............................ 29
3.4 Measurement of fault loop parameters .................................................................. 30
3.4.1 Settings of measurements ............................................................................................. 30
3.4.2 Measurement of fault loop parameters in the L-N and L-L circuits ................................. 33
3.4.3 Measurement of fault loop parameters in the L-PE circuit .............................................. 37
3.4.4 Measurement of fault loop impedance in L-PE circuit protected with a residual current
device (RCD) ................................................................................................................. 40
3.4.5 Prospective short-circuit current .................................................................................... 43
3.4.6 Measurement of fault loop impedance in IT networks .................................................... 45
3.5 Measurement of resistance-to-earth ...................................................................... 46
3.5.1 Settings of measurements ............................................................................................. 46
3.5.2 Measurement of resistance to earth using 3P method ................................................... 49
3.5.3 Measurement of resistance to earth using 4P method ................................................... 53
3.5.4 Measurement of resistance to earth using 3P + clamps method .................................... 57
3.5.5 Measurement of resistance to earth using double clamp method ................................... 61
3.6 Measuring soil resistivity ........................................................................................ 64
3.6.1 Settings of measurements ............................................................................................. 64
3.6.2 Main elements of the screen .......................................................................................... 66
3.6.3 Soil resistivity measurements ........................................................................................ 67
3.7 Measurement of RCD parameters ......................................................................... 71
3.7.1 Settings of measurements ............................................................................................. 71
3.7.2 Measurement of RCD disconnection current .................................................................. 76
3.7.3 Measurement of RCD disconnection time ...................................................................... 79
3.7.4 Measurements in IT networks ........................................................................................ 82
3.8 Measurement of insulation resistance.................................................................... 83
3.8.1 Settings of measurements ............................................................................................. 83
3.8.2 Measurement using probes............................................................................................ 88
3.8.3 Measurements using UNI-Schuko adapter (WS-03 and WS-04) .................................... 90
3.8.4 Measurements using AutoISO-1000c ............................................................................ 93
3.9 Low-voltage measurement of resistance ............................................................... 97
3.9.1 Measurement of resistance ............................................................................................ 97
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