DL9110 / DL9118 Operating Instructions
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Table of Contents
Limited Warranty & Limitation of Liability ............................................... 6
Table of Contents .................................................................................... 7
Introduction ............................................................................................. 9
1 User Notes ........................................................................................ 10
2 Safety Notes ...................................................................................... 11
3 Accessories ....................................................................................... 12
3.1 Standard Accessories ................................................................ 12
3.2 Optional Accessories ................................................................. 12
4 Unit Description ................................................................................ 13
4.1 Identifying parts of the unit ........................................................ 13
4.2 LCD display ............................................................................... 14
5 Using the DL9110 / DL9118 .............................................................. 16
5.1 Power On ................................................................................... 16
5.2 Battery Health Check ................................................................. 16
5.3 Remote probe (only supplied with DL9118) .............................. 16
5.4 Continuity Tests ......................................................................... 16
5.5 Insulation Resistance Tests ....................................................... 18
5.6 Voltage Measurement and Phase Rotation ............................... 19
5.7 Single Phase High Current Earth Loop Impedance / Line
Impedance ........................................................................................ 19
5.8 Three Phase Line Impedance (DL9118 only) ............................. 21
5.9 Non trip Earth Loop Impedance / Line Impedance ................... 22
5.10 Auto RCD Test Sequence ........................................................ 23
5.11 RCD Trip Time Tests ............................................................... 25
5.12 RCD trip current (Ramp) Tests ................................................ 27
6 Electrical Specifications .................................................................... 29
6.1 Earth Continuity ......................................................................... 29
6.2 Insulation Resistance ................................................................. 29
6.3 Earth Loop Impedance .............................................................. 29
6.4 Line Impedance ......................................................................... 30
6.5 RCD ........................................................................................... 30
6.6 Voltage/Frequency Measurement ............................................. 30
7 Environmental Conditions ................................................................. 31
8 Maintenance ...................................................................................... 32
8.1 Preparing to work on the DL9110 / DL9118. ............................. 32
8.2 Securing the DL9110 / DL9118 ................................................. 32
8.3 Cleaning ..................................................................................... 32
8.4 Battery Replacement ................................................................. 33
8.6 Service and Calibration. ............................................................ 34
8.7 Spare Parts. ............................................................................... 35
Appendix A ............................................................................................ 36
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