SPX Radiodetection PCM+ Operation Manual page 4

Table of figures
Figure 2.1: Tx Facia
Figure 2.2: Frequency Selector
Figure 2.3: Rectifier connection to pipeline
Figure 2.4: PCM connection to pipeline
Figure 2.5: PCM connection using test point
Figure 2.6: PCM connection using sacrificial
anode for grounding
Figure 3.1: Receiver Controls
Figure 4.1: Peak mode
Figure 4.2: Null mode
Figure 4.3: Pipeline current flow
Figure 4.4: Pipeline current flow
Figure 4.5: Pipeline fault
Figure 4.6: mA fault graph
Figure 4.7: dBmA fault graph
Figure 4.8: mA fault graph
Figure 4.9: dBmA fault graph
Figure 4.10: Collected data and interpreted results
Figure 5.1: Tie line 1
Figure 5.2: Tie line 2
Figure 5.3: Loop
Figure 5.4: Looped system 1
Figure 5.5: Looped system 2
Figure 5.6: Distributed system
Figure 5.7: Interpreting distributed systems
Figure 5.8: Poor coated steel shield
Figure 5.9: Perfect coating
Figure 6.1: Parallel Pipes Example 1
Figure 6.2: Example 1 interpretation
Figure 6.3: Parallel Pipes Example 2
Figure 6.4: Example 2 interpretation
Figure 6.5: Parallel Pipes Example 3
ii PCM Operation Manual
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Figure 6.6: Example 3 interpretation
Figure 6.7: Angled Pipes Example 1
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Figure 6.8: Parallel Pipes Example 4
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Figure 6.9: Parallel Pipes Example 5
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Figure 7.1: A-Frame Fault-Finding
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Figure 7.2: A-Frame Fault-Finding
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Figure 7.3: Locating the fault
Figure 7.4: Taking a reading
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Figure 7.5: Comparing fault severity
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Figure 8.1: Interpreting results
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