Operation Manual

MI 3310 / MI 3310A SigmaGT Table of contents
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6.4.2 Reading autotest code from barcode / QR code ...................................... 92
6.4.3 Reading barcode for working with results ................................................. 92
6.5 Performing autotest sequences – for appliances ............................................. 93
6.5.1 Visual inspection ...................................................................................... 93
6.5.2 Earth bond resistance measurement ........................................................ 94
6.5.3 Insulation resistance measurement .......................................................... 94
6.5.4 Insulation resistance – S probe measurement ......................................... 95
6.5.5 Substitute leakage current measurement ................................................. 95
6.5.6 Substitute leakage – S probe measurement ............................................ 96
6.5.7 Differential leakage current ...................................................................... 97
6.5.8 Touch leakage current measurement ....................................................... 97
6.5.9 Polarity test .............................................................................................. 98
6.5.10 TRMS current measurement using clamp current adapter ....................... 98
6.5.11 RCD/PRCD test........................................................................................ 99
6.5.12 Functional test .......................................................................................... 99
6.6 Performing autotest sequences – for welding machines .............................. 101
6.6.1 Visual inspection .................................................................................... 101
6.6.2 Continuity of the protective circuit .......................................................... 101
6.6.3 Insulation resistance (supply circuit to protective circuit) ........................ 102
6.6.4 Insulation resistance (welding circuit to protective circuit) ...................... 103
6.6.5 Insulation resistance (supply circuit to welding circuit) ........................... 103
6.6.6 Insulation resistance (supply circuit of class II equipment to accessible
surfaces) ............................................................................................................... 104
6.6.7 Welding circuit leakage current .............................................................. 105
6.6.8 Primary leakage current ......................................................................... 105
6.6.9 Touch leakage current ............................................................................ 106
6.6.10 No load voltage ...................................................................................... 107
6.6.11 TRMS current measurement using clamp current adapter ..................... 107
6.6.12 Functional test ........................................................................................ 107
7 Working with autotest results ........................................................................ 108
7.1 Saving autotest results .................................................................................. 108
7.2 Recalling results ............................................................................................ 109
7.3 Deleting results .............................................................................................. 111
7.4 Downloading and printing results .................................................................. 112
7.4.1 Send to serial printer .............................................................................. 113
7.4.1 Send to barcode / QR code printer ........................................................ 113
7.5 Data upload / download ................................................................................. 115
8 Maintenance .................................................................................................... 116
8.1 Periodic calibration ........................................................................................ 116
8.2 Fuses............................................................................................................. 116
8.3 Service .......................................................................................................... 116
8.4 Cleaning ........................................................................................................ 116
9 Instrument set and accessories ..................................................................... 117
Appendix A – Preprogrammed autotests ................................................................ 118
Appendix B – Autotest shortcut codes .................................................................... 127
Appendix C – Country notes..................................................................................... 129