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Metrotech 480B User Manual

Metrotech 480B
28 pages
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2
480B™
SERVICE CENTER, SALES AND TECHNICAL SUPPORT INFORMATION
Corporate Headquarters Metrotech Eastern U.S. Service Center Metrotech European Service Center
3251 Olcott Street 1824 Murfreesboro Road, Ste. 104 Seba KMT
Santa Clara, CA 95054 Nashville, TN 37217 Dr. Herbert Iann St. 6
800-446-3392 800-624-6210 96148 Baunach, Germany
408-734-1400 Direct 615-366-7323 Direct +49 9544 680
408-734-1415 Fax 615-360-9855 Fax +49 9544 2273 Fax
www.metrotech.com
nashville@metrotech.com service@sebakmt.com
sales@metrotech.com
Warranty: One year. Specifications Subject to change without notice, ISO 9001:2000 Certified. Copyright 2008. All Rights Reserved. Rev 12/18/07: B
OPERATIONS MANUAL
Pipe and Cable Locator
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Metrotech 480B Specifications

General IconGeneral
BrandMetrotech
Model480B
CategorySecurity Sensors
LanguageEnglish

Summary

1 Introduction

2 480B Equipment

2.1 Standard Equipment

Lists the essential components included with the 480B Pipe and Cable Locator.

2.2 Optional Equipment

Lists optional accessories that can enhance the functionality of the 480B system.

2.3 Specifications

Details the technical specifications for the 480B Transmitter and Receiver.

2.4 Transmitter Controls and Indicators

Explains the functions of each control and indicator on the 480B Transmitter.

2.5 Receiver Controls and Indicators

Details the functions of each control and indicator on the 480B Receiver.

3 Checkout Procedure

4 Operation Modes

4.1 Direct (Conductive) Connection

Explains how to apply the signal using a direct metallic connection to the target conductor.

4.2 Inductive Coupling with Metroclamp

Details using the 4820 Metroclamp to induce a signal onto a conductor when direct contact isn't possible.

4.3 Inductive (Indirect) Method

Explains signal induction using the transmitter's antenna without direct connection or clamp.

4.4 50/60Hz Power Line Locating

Describes how to locate energized 50/60Hz power lines passively by tracing current.

4.5 Estimating Conductor Depth

Provides a procedure for estimating the depth of a buried conductor using triangulation.

4.6 Using 4810 Probe for Pinpointing & Depth

Explains using the 4810 Probe for accurate conductor pinpointing and depth estimation.

4.7 Carrying Handle for Blind Searches

Details using the carrying handle for specific search types like blind searches, ground surveys, and metal mass location.

4.8 Conductor Identification with Second Metroclamp

Describes how to identify a specific conductor among multiple ones using a second Metroclamp.

4.9 Marking the Conductor

Lists APWA color markings for different types of underground conductors.

5 Tracing Factors and Helpful Information

5.1 Soil Conditions Impact

Explains how different soil types affect line tracing accuracy and performance.

5.2 Field Strength Signal Interpretation

Discusses how signal strength varies and its importance for accurate tracing.

5.3 Verifying vs. Tracing Conductors

Differentiates between confirming a conductor's presence and mapping its path.

5.4 Adjacent Conductor Interference

Addresses interference from nearby conductors and methods to manage it.

5.5 Locating Deep Buried Conductors

Explains challenges and methods for locating deep buried conductors effectively.

5.6 Tracing Long Runs Tips

Provides practical tips for tracing long pipelines or cables with the 480B.

5.7 Locating Service Laterals

Details how to locate service laterals branching off a main utility line.

5.8 Identifying Bends or Dead Ends

Describes how to identify bends or dead ends in a traced utility line.

5.9 Identifying Underground Structures

Explains how to identify common underground structures by signal changes.

5.10 Common Bonded Conductor Issues

Addresses challenges when multiple conductors share a common ground bond.

5.11 Managing Congested Areas

Provides methods to reduce interference in areas with many overlapping conductors.

5.12 Pipes with Insulated Junctions

Discusses signal behavior and methods for bypassing pipe insulators.

5.13 Metroclamp Ground Requirements

Outlines grounding needs when using the Metroclamp for signal induction.

5.14 Grounding Safety Precautions

Provides essential safety guidelines related to grounding procedures.

5.15 Distribution System Locating

Gives guidance on locating short gas services within utility distribution systems.

6 Maintenance

6.1 Battery Checking and Replacement

Details the process for testing and replacing batteries in the transmitter and receiver.

6.2 Basic Preventive Maintenance

Offers general advice for keeping the 480B equipment in good operational condition.

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