7. Continuity testing and resistance measurement ..........................................................................26
7.1 General information .................................................................................................................................26
7.1.1 Basic functions .........................................................................................................................................26
7.1.2 Test inhibit ..............................................................................................................................................27
7.1.3 Hot keys for continuity checking and resistance measurement ..................................................................27
7.2 Continuity testing ......................................................................................................................................28
7.3 Test lead null .............................................................................................................................................. 29
7.3.1 To null a test lead: ....................................................................................................................................29
7.3.2 To check the lead null value ......................................................................................................................30
7.3.3 To remove a test-lead null:........................................................................................................................30
7.3.4 To update a test-lead null value ................................................................................................................30
7.3.5 Lead null errors ........................................................................................................................................30
7.4 Buzzer mode up to 2 kΩ (1 kΩ on analogue scale) .................................................................................31
8. Insulation testing ............................................................................................................................32
8.1 General .......................................................................................................................................................32
8.2 Test starting timer ..................................................................................................................................... 32
8.2.1 Insulation test-inhibit ................................................................................................................................32
8.3 Hot keys for insulation tests .....................................................................................................................33
8.4 All insulation tests .....................................................................................................................................33
8.5 Insulation testing .......................................................................................................................................34
8.6 Insulation test with test lock.....................................................................................................................35
9. Earth resistance measurement .......................................................................................................37
9.1 General .......................................................................................................................................................37
9.1.1 Earth testing inhibit ..................................................................................................................................37
9.1.2 Two-pole earth resistance measurements ..................................................................................................38
9.2 Hot keys for earth resistance measurement ............................................................................................38
9.3 Two-pole (2P) earth resistance measurements ........................................................................................ 39
10. Live circuit tests .............................................................................................................................40
10.1 General .....................................................................................................................................................40
10.2 Warning indication ..................................................................................................................................40
10.3 Auto-start (hands-free) option ...............................................................................................................40
10.4 Protective earth and touch voltage warnings .......................................................................................41
10.4.1 Protective earth warning (PE) operation .................................................................................................. 41
10.4.2 Inhibit protective earth confirmation (PE warning) ..................................................................................42
10.5 Touch voltage (fault voltage) ................................................................................................................. 42
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