Megger L1070 - Page 7

AVTM651070 Rev B Nov 2006
iii
List of Figures
Figure 1: Transmitter Controls and Indicators.................................................................................... 9
Figure 2: Multiple Grounded Circuit Connection............................................................................. 13
Figure 3: Multiple Ground Power Utility Application....................................................................... 14
Figure 4: Multiple Ground Telco Application................................................................................... 14
Figure 5: Flexible Coupler Connection............................................................................................. 15
Figure 6: Inductive Connection........................................................................................................ 16
Figure 7: Inductive Connection 30° Angle........................................................................................ 16
Figure 8: Direct Connection............................................................................................................. 17
Figure 9: Continuously Grounded Circuit......................................................................................... 18
Figure 10: Telephone Direct Shield Connection............................................................................... 19
Figure 11: Telephone Direct Pair Connection.................................................................................. 20
Figure 12: Receiver Controls and Indicators..................................................................................... 21
Figure 13: Locating the Cable or Pipe............................................................................................... 24
Figure 14: Determine Cable Path in Peak Mode............................................................................... 24
Figure 15: Depth Measurements 45° Angle Method......................................................................... 29
Figure 16: Signal Return through an Insulation Fault to Earth.......................................................... 31
Figure 17: Collapsible Ground Return Probe................................................................................... 32
Figure 18: Ground Return Probe Insertion....................................................................................... 33
Figure 19: Spoked Wheel Return Paths............................................................................................ 33
Figure 20: Ground Return Probe Fault Locating.............................................................................. 34