EurotestXA MI 3105 Instruktionsbok - Toleka

MI 3105 EurotestXA
Innehållsförteckning
5.2.3 Kompensering av testkabelns inre resistans ................................................ 49
5.3 Test av JFB ......................................................................................................... 51
5.3.1 Beröringsspänning (JFB Uc) ........................................................................ 52
5.3.2 Utlösningstid t ............................................................................................... 53
5.3.3 Utlösningsström ............................................................................................ 54
5.3.4 JFB Autotest ................................................................................................. 55
5.4 Felslingimpedans och presumtiv felström ............................................................ 57
5.5 Linjeimpedans och presumtiv kortslutningsström ................................................ 59
5.6 Spänning, frekvens och fassekvens .................................................................... 61
5.7 Jordresistans ....................................................................................................... 63
5.7.1 Standard 3-trådsmätning .............................................................................. 63
5.7.2 Mätning med en tång .................................................................................... 65
5.7.3 Mätning med två strömtänger ....................................................................... 66
5.7.4 Specifik jordresistansmätning ....................................................................... 67
5.8 Ström ................................................................................................................... 68
5.9 Sensorer och adapters ........................................................................................ 70
5.9.1 Illumination ................................................................................................... 70
5.9.2 2 ! linje/slingimpedans ................................................................................ 72
5.10 PE (skyddsjord) testterminal ................................................................................ 74
5.11 Lokalisering ......................................................................................................... 76
5.12 Varistortest .......................................................................................................... 78
6 Datahantering ........................................................................................................... 80
6.1 Minnesorganisation ............................................................................................. 80
6.2 Installationsdatastruktur ....................................................................................... 80
6.3 Lagring av testresultat ......................................................................................... 83
6.3.1 Spara resultat – specialfall ........................................................................... 84
6.4 Hämtning av testresultat och parametrar ............................................................. 85
6.4.1 Hämta resultat .............................................................................................. 85
6.5 Radera sparad data ............................................................................................. 86
6.5.1 Radera enskilda test ..................................................................................... 87
6.6 Ändring av installationsdatastrukturer .................................................................. 88
D.3.1 Lägga till ny plats .......................................................................................... 88
6.7 Kommunikation .................................................................................................... 91
7 Underhåll ................................................................................................................... 92
7.1 Byte av säkringar ................................................................................................. 92
7.2 Rengöring ............................................................................................................ 92
7.3 Periodisk kalibrering ............................................................................................ 92
7.4 Service ................................................................................................................ 92
8 Tekniska specifikationer .......................................................................................... 93
8.1 Isolationsresistans ............................................................................................... 93
8.2 Kontinuitet ........................................................................................................... 94
D.3.2 Resistans R200mA ....................................................................................... 94
8.2.1 Resistans R7mA ........................................................................................... 94
8.3 Jordfelstestning ................................................................................................... 94
8.3.1 Generella data .............................................................................................. 94
8.3.2 Kontaktspänning JFB-Uc .............................................................................. 95
8.3.3 Utlösningstid ................................................................................................. 95
8.3.4 Utlösningsström ............................................................................................ 96
8.4 Felslingimpedans och presumtiv felström ............................................................ 96
8.4.1 Icke-frånkopplande anordning eller säkring (FUSE) vald ............................. 96
8.4.2 Jordfelsbrytare vald ...................................................................................... 97
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