Amprobe A-5000 Sheath Fault Locator - Manual (Page 6)

4
A-5000
Sheath Fault Locator
CoNtENtS
Introduction ................................................................................................................................................................................................ 5
General Information and Safety .............................................................................................................................................................. 5
Symbols used in this manual ................................................................................................................................................................ 5
Safety Precautions ................................................................................................................................................................................ 5
A-5000 Sheath Fault Locator Quick Start Guide For The Experienced User ........................................................................................... 5
A-5000 Receiver Technical Specifications .................................................................................................................................................. 8
Linear A-Frames For Telecom Utilities: ................................................................................................................................................ 8
A-Frame Receiver Controls And Indicators .......................................................................................................................................... 8
Principles Of Operation ............................................................................................................................................................................. 9
Functional Theory ................................................................................................................................................................................. 9
Calibration Test Procedure ...................................................................................................................................................................... 12
Operation ................................................................................................................................................................................................. 13
Synchronize The A-Frame Receiver .................................................................................................................................................... 13
Confirm That A Fault Exists ................................................................................................................................................................ 13
Trace The Cable With The R-5000 Receiver ....................................................................................................................................... 13
Pinpoint The Fault .............................................................................................................................................................................. 13
Verify The Fault ................................................................................................................................................................................... 14
Advanced Techniques .............................................................................................................................................................................. 14
Faults Under Inaccessible Surfaces ..................................................................................................................................................... 14
Faults Under Pavement ...................................................................................................................................................................... 15
Long Distance Tracing ........................................................................................................................................................................ 15
High And Low Impedance Faults ....................................................................................................................................................... 16
Multiple Faults .................................................................................................................................................................................... 16
Maintenance ............................................................................................................................................................................................. 16
A-5000 Receiver Battery Replacement. ............................................................................................................................................. 16
Technical Specifications ........................................................................................................................................................................... 17
Appendix .................................................................................................................................................................................................. 17
APWA Marking Colors ........................................................................................................................................................................ 17