HT instruments SIRIUS87 - Manual (Page 4)

SIRIUS 87
EN - 2
7. INSTRUMENT CONNECTION TO A PC .................................................................. 64
8. MAINTENANCE ........................................................................................................ 65
8.1. General ............................................................................................................................ 65
8.2. Battery replacement ......................................................................................................... 65
8.3. Cleaning ........................................................................................................................... 65
8.4. End of life ......................................................................................................................... 65
9. TECHNICAL SPECIFICATIONS ............................................................................... 66
9.1. Technical features ........................................................................................................... 66
9.1.1. Reference standards ................................................................................................................. 68
9.1.2. General specifications ............................................................................................................... 68
9.2. Environment ..................................................................................................................... 69
9.2.1. Environmental working conditions ............................................................................................. 69
9.3. Accessories ..................................................................................................................... 69
9.3.1. Standard accessories ................................................................................................................ 69
9.3.2. Optional accessories ................................................................................................................. 69
10. SERVICE................................................................................................................... 70
10.1. Warranty conditions ......................................................................................................... 70
10.2. Service ............................................................................................................................. 70
11. APPENDIX ................................................................................................................ 71
11.1. LOW: Continuity measurement on protective conductors ............................................. 71
11.2. Insulation resistance measurement ................................................................................. 72
11.3. Check of circuit separation .............................................................................................. 75
11.4. Working test of RCDs (RCD, RCD/DC, RCD S, RCD/DC S) .......................................... 77
11.5. Test of RCD tripping time (RCD, RCD/DC) ..................................................................... 78
11.6. Measurement of short circuit fault impedance (Z
PN
, Z
PP
) ................................................. 79
11.7. Fault loop impedance measurement (phase – earth) ...................................................... 79
11.8. Earth resistance measurement in TT systems ................................................................ 80
11.9. Earth resistance measurement, voltamperometric method ............................................. 81
11.10. Earth resistivity measurement ......................................................................................... 82