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480B SFL 2Dx
Metrotech 480B SFL 2Dx Manuals
Manuals and User Guides for Metrotech 480B SFL 2Dx. We have
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Metrotech 480B SFL 2Dx manual available for free PDF download: Operation Manual
Metrotech 480B SFL 2Dx Operation Manual (55 pages)
Brand:
Metrotech
| Category:
Measuring Instruments
| Size: 1 MB
Table of Contents
Table of Contents
3
List of Illustrations
5
Introduction
6
Safety Precautions
7
480B/Sfl2Dx Quick Start Guide for the Experienced User
8
Figure 3-1: Fault Resistance Scale
8
Figure 3-2: Clamping Black Lead to Ground Rod
9
Figure 3-3: Clamping Red Lead to Targeted Cable
9
Figure 3-4: Locating the Targeted Cable
10
Figure 3-5: Positioning of A-Frame Receiver for Synchronization
11
Figure 3-6: Locating the Cable Fault with A-Frame Receiver
13
480B/Sfl2Dx Equipment
16
Standard Equipment
16
Figure 4-1: Standard Equipment
17
Optional Accessories
18
Technical Specifications
19
Transmitter Controls and Indicators
22
Figure 4-2: Transmitter Controls Panel
22
Transmitter Features
24
A-Frame Receiver Controls and Indicators
25
Figure 4-3: A-Frame Controls and Indicators
25
Additional A-Frame Receiver Features
26
Figure 4-4: Battery Status Indication
26
Principles of Operation
27
Functional Theory
27
Figure 5-1: Typical 480B/SFL Transmitter Connection
28
Earth Voltage Gradient
29
Equipotentials
29
Figure 5-2: Signal Pattern Around Fault and Ground Point
29
Multiple Fault Patterns
31
Distortion Due to Adjacent Conductors
31
Figure 5-3: Multiple Fault Signal Patterns
31
Checkout Procedure
32
Figure 6-1: Checkout Test Set-Up
33
Operation
34
Check the Batteries Prior to Going into the Field
34
Ensure All Conductors Are De-Energized
34
Lift the Grounds
34
Attach the Transmitter to the Conductor-Check Fault Resistance
34
Synchronize the A-Frame Receiver
35
Figure 7-1: Synchronizing the A-Frame
35
Figure 7-2: Fault Confirmation
36
Confirm that a Fault Exists
37
Trace the Cable with the 480B Receiver
37
Pinpoint the Fault
37
Verify the Fault
37
Advanced Techniques
38
Faults under Inaccessible Surfaces
38
Perpendicular Method
38
Figure 8-1: Perpendicular Method
38
Triangulation Method
39
Figure 8-2: Triangulation Method
39
Figure 8-3: Locating an Equipotential Circle
39
Faults under Pavement
40
Long Distance Tracing
40
Multiple Faults
40
Figure 8-4: Fault Location Using Extension Cable for Increased Sensitivity
40
High and Low Impedance Faults
41
Multiple Faults
41
Line Locating
42
Direct (Conductive) Connection
42
Figure 9-1: Direct (Conductive) Connection
43
Peak Method
44
Null Method
44
Figure 9-2: Peak 480B Receiver Response
44
Figure 9-3: Null 480B Receiver Response
44
Inductive Coupling with Metroclamp
45
Figure 9-4: Inductive Coupling with the Metroclamp
45
Inductive (Indirect Method)
46
480B 50/60Hz Power Line Locating
47
Estimating the Depth of a Conductor
48
Figure 9-5: Estimating the Depth of a Conductor
48
4810 Probe for Pinpointing and Depth Estimation
49
Figure 9-6: Estimating Conductor Depth with the 4810 Probe
49
Using a Second Metroclamp for Conductor Identification
50
Figure 9-7: Using Two Metroclamps to Identify Target Conductor
50
Maintenance
51
Receiver Battery Replacement
51
480B Receiver Battery Replacement
51
Figure 10-1: A-Frame Receiver Battery Replacement
51
Service Centers
52
Appendix
53
Copyright
54
Warranty
55
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