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Table of Contents
1. Introduction………………………………………………………… 5
2. 810 Equipment……………………………………………………… 7
2.1 Standard Equipment……………………………………………7
2.2 Optional Equipment……………………………………………7
2.3 Technical Specifications……………………………………….8
2.4 810 Transmitter: Controls & Indicators……………………….9
2.5 810 Receiver: Controls and Indicators………………………. .10
3. Checkout Procedures……………………………………………….12
4. Operation……………………………………………………………15
4.1 Transmitter – Direct Connection……………………………….. 15
4.2 Transmitter – Inductive Coupling with the Metroclamp……….. 16
4.3 Transmitter – Inductive Method…………………………………17
4.4 Using the Receiver……………………………………………… 19
4.5 Determining the Depth of a Conductor………………………….20
4.6 Conductor Identification Using a Second Metroclamp………….21
4.7 Marking the Conductor………………………………………….21
5. Ground Survey Procedure…………………………………………22
5.1 Applications…………………………………………………..22
5.2 Locating Conductors………………………………………….22
5.3 Subdividing Large Search Areas……………………………..22
6. Tracing Techniques and Helpful Information……………………………..23
6.1 Soil Conditions………………………………………………….23
6.2 Adjacent Conductors……………………………………………23
6.3 Metroclamp: Ground Requirements……………………………23
6.4 Grounding: Safety…………………………………………….. 23
6.5 Distribution Systems……………………………………………23
6.6 Deep Conductor………………………………………………...23
6.7 What is the field Strength of the Signal?……………………….23
6.8 “Ghost” Conductor Due to Adjacent Conductor……………….23
6.9 Completing the Circuit Path…………………………………… 24
6.10 Common Bond Conductors……………………………………..24
6.11 Congested Areas………………………………………………..24
6.12 Locating a Service Lateral………………………………………25
6.13 Valves, Manhole Covers, Tees and Risers…………………….. 25
7. Maintenance…………………………………………………………………..26
7.1 810 Receiver Calibration………………………………………..26
7.2 Replacing the 810 Receiver Batteries…………………………..26
7.3 Replacing the 810 Transmitter Batteries……………………..…26
7.4 Metrotech Service Center……………………………………….27
8. Copyright………………………………………………………………….…..28
9. Warranty……………………………………………………………………. 28
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