Table of Content
General Safety & Care Information·············································································································1
1.1
Who Can Use This Equipment·····································································································1
1.2
Work-site Safety···························································································································1
1.3
Equipment Safety························································································································1
1.4
Batteries and Environmental Safety·····························································································1
1.4.1 Alkaline Batteries (Non Rechargeable)··················································································1
1.4.2 General Rules Regarding Disposal of Batteries·····································································1
1.5
Care of Equipment·······················································································································2
1.6
Care When Interpreting the Information Provided by the Locator·················································2
1.7
American & Canadian Safety Notices··························································································2
Service & Support·······································································································································4
2.1
Serial Number and Software Revision Number············································································4
2.2
Distributors and Service Centers Closest to You··········································································5
Introduction················································································································································6
3.1 VM-480B······································································································································6
3.2
Controls and Indicators of the Model VM-480B Transmitter·························································7
3.3
Controls and Indicators of the VM-480B Receiver········································································8
Checkout Procedure···································································································································9
4.1
To Check the 50/60Hz Power Mode·····························································································9
Operation·················································································································································10
5.1
To Start Locating························································································································10
5.2
Direct (Conductive) Connection··································································································11
5.2.1 Transmitter···························································································································11
5.2.2 Peak Method·······················································································································12
5.2.3 Null Method·························································································································12
5.3
Inductive Coupling with the 4820 Metroclamp ···········································································13
5.4
Inductive (Indirect Method)·········································································································13
5.5
VM-480B 50/60Hz Power Line Locating·····················································································14
5.6
Estimating the Depth of a Conductor··························································································15
5.7
Using the Carrying Handle for Blind Searching, Ground Surveys, and Metal Mass Location ···16
5.7.1 Mounting the VM-480B Transmitter and Receiver to the Carrying Handle···························16
5.7.2 Locating with the Handle-Mounted VM-480B·······································································17
5.7.3 Blind Search, Metal Mass Location, Ground Survey with the Carrying Handle····················18
5.8
Conductor Identification Using a Second 4820 Metroclamp·······················································18
5.9
Marking the Conductor···············································································································19
Tracing Factors and Helpful Information···································································································20
6.1
Soil Conditions···························································································································20
6.2
Field Strength of the Signal········································································································20
6.3
Verifying Versus Tracing·············································································································20
[email protected] | 13309 Beach Ave. Marina del Rey, CA 90292
wctproducts.com | Phone: 800-WCT-PROD (928-7763) | Fax: 310-306-9343
