Quick Start Guide
UtilityScan
350HS
Copyright © 2016 Geophysical Survey Systems, Inc.
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Appendix E: Glossary of Terms
Dielectric:
A value assigned to materials and is used to calculate the velocity of RADAR in that material. RADAR will
travel at different speeds depending upon the material and/or soil condition. RADAR travels fastest in air (dielectric = 1)
and slowest in water (dielectric = 81). Everything else falls somewhere in between. It is important to know the dielectric
value of a material so that the depth of a target can be calculated. Since determining dielectric is a best guess estimate, the
depth of a target will never be an exact measurement. As a safety feature, you will always give about a 1 foot (or about
1/3 meter) margin of error when estimating the depth of a target.
Summary of Contents for UtilityScan 350HS
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