Ht-instruments SIRIUS87 Bedienungsanleitung PDF herunterladen (Seite 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

, Z

) ................................................. 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

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Ht-instruments SIRIUS87 Bedienungsanleitung Seite 4