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Soil testing

ELECTRICAL DENSITY GAUGE



Testing Procedure

During the testing procedure, four tapered electrodes (darts) are driven into the ground in a cross pattern using the supplied template. Between the two sets of two tapered darts, four point-to-point electrical measurements are made and the electrical characteristics averaged. The dielectric properties that are measured by the unit are compared to a "oil model" which has been developed and programed into the unit prior to testing.

DESCRIPTION

These soil models are required only once for each soil type.

The soil model is used as a calibration reference during the testing procedure. It is developed by establishing a curve of measured dielectric properties for different densities and moisture combinations of the actual soil to be tested or a similar material.

This soil model is used by the unit through a proprietary correction algorithm to automatically determine the wet and dry density, gravimetric moisture content and percent compaction values for the material being tested.

Soil mo dels can be name dusing the unified soil classifications listed in the drop-down menu or unique names can be entered using the alpha-numeric keypad.

In addition, the temperature probe, which is inserted into the material being tested ensures accurate results by compensating for changes in recorded temperatures.

Similar to nuclear gauges, proctor numbers for optimum compaction may be input into the gauge, which would allow for percent compaction to be automatically calculated and displayed at the end of each test.

The Proctor numbers would be input into the gauge during the development of the soil model. When determined, this value is entered into the EDG to enable the computation of percent compaction


EDG Software

EDG Software will allow you to communicate effortlessly with your EDG gauges and only requires minimal setup by the user. EDG Software provides a complete solution for the acquisition, storing, and presentation of Job and Soil Model data. EDG Software works in conjunction with Microsoft Excel to present test data in easy-to-read Excel workbook format fi les, which can be evaluated directly or sent to any computer using Microsoft Excel. Jobs can be grouped together within projects for organization and reporting.


EDG Software Features

• Communicate with all your EDG gauges.

• Download Job Data.

• Create customized reports from downloaded job data.

• Download Soil Model Data.

• Create reports from downloaded soil model data.

• Upload soil models to any EDG.

• Input proctor data for use in job data or soil model data.

• Time/Date, GPS stamps for each test




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