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The SDG builds upon the patented, and NOVA Award winning, Pavement Quality Indicator (PQI). Using advanced electrical impedance spectroscopy(EIS), the SDG is able to make fast,non-contact measurements of soil density and moisture content.                    

• Full color graphics driven user interface, 480*640VGA touch screen display with LED backlight for easy  visibility

• New Status Bar Feature, Displays GPS status, battery  voltage, low battery and date and time

• Rugged new case design made from .090’’5052 aluminum, powder-coated gloss black with green reflective vinyl graphics increasing driver awareness to road workers at night

• New Data Management Feature, quickly access, download or delete your project data

• Ability to Upload and download files to the SDG via USB drive

• Fast, reliable, accurate and repeatable readings in real time, User friendly, in-process, cost effective tool for any crew member

• And most important, Non-Nuclear means No Badges or Licenses and No storage or transport concerns.