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Field Density


Balloon Density Tester

The determination of soil density by balloon method is similar to the sand cone method. The soil sample is removed, weighed and dried then weighed again and the moisture content is determined. The resulting volume of the hole is then measured by forcing water into a balloon to fill the hole and then reading the volume on the graduated tube that is measured in both cu. ft. and cu. cm. The Densi-Tester is furnished complete with soil tray and 1 dozen balloons. The Densi-Tester is available in three different sizes: 1/20, 1/13, and 1/10 cu. ft.
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Balloon Density Tester-Accessories