PCM
+
Operation Manual i
Table of contents
Section 1 – Introduction
1
1.1 About this manual
1
1.2 Manual outline
1
1.3 Overview of the PCM
+
System
1
Section 2 – Transmitter Functions
3
2.1 Transmitter Control Panel
3
2.2 Frequency Select
3
2.3 Output Current Select
3
2.4 Warning Lights and indicators
4
2.5 Display
4
2.6 Signal Connection
4
2.7 Power Supply Connections
6
Section 3 – Receiver Operation
8
3.1 Control panel and LCD features
8
3.2 Software revision and calibration date
9
3.3 Setting Controls
9
3.4 Batteries
9
3.5 Operating Frequency Modes
9
3.6 Depth measurement
10
3.7 Locate current
10
3.8 Recording measurements
10
Section 4 – Basic Locating
12
4.1 Pinpointing a Target Line
12
4.2 Peak Procedure
12
4.3 Null Procedure
12
4.4 Depth and Current Measurement
12
4.5 Current Direction
13
4.6 Mapping Current Measurements
13
4.7 Using dBmA for Pipeline Current Mapping
14
Section 5 – Taking Measurements
16
5.1 Pipelines and Distribution Systems
16
5.2 Pipelines and Pipeline defects
17
Section 6 – Applications
18
6.1 Parallel Pipes
18
Section 7 – PCM
+
A-Frame
21
7.1 About the A-Frame
21
7.2 Operation
21
7.3 Comparing Fault Severity
22
7.4 Saving PCM
+
FF Readings
22
7.5 Data Upload – PCM
+
FF Data
22
Section 8 – Interpreting Results
23
8.1 Introduction
23
8.2 Avoiding errors
23
8.3 Identifying Interference
23
8.4 Locate current
23
8.5 PCM
+
Current.
23
8.6 Direction Arrows
23
8.7 Interpreting survey results
24
Section 9 – PCM
+
SurveyCERT
™
Software
for the PC and PDA
25
Section 10 – Appendix
26
10.1 Technical Specifications
26