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![Public Corporation Type Site Density Measuring Instrument (Fine Granularity) 'S-209a' [Rental]](https://image.mono.ipros.com/public/product/image/20a/2000486498/IPROS50066504578926368522.jpeg?w=280&h=280)
It is used for the dry unit weight test of soil at the site.
A simple on-site density measuring device compliant with Japan Highway Public Corporation standards, applicable to a wide range of soil types. * S-209a for fine-grained soil, hole type φ150mm, maximum particle size of 50mm or less.
![Public corporation type site density measuring instrument (coarse granularity) 'S-209b' [Rental]](https://image.mono.ipros.com/public/product/image/a2f/2000486499/IPROS71396141742167446953.jpeg?w=280&h=280)
It is used for the dry unit weight test of soil at the site.
A simple field density measuring device compliant with Japan Highway Public Corporation standards, applicable to a wide range of soil types. * S-209b for coarse-grained soil, hole type φ250mm, maximum particle size of 100mm or less.
![On-site density meter 'S-207' [Rental]](https://image.mono.ipros.com/public/product/image/313/2000486270/IPROS34433222003498376369.jpeg?w=280&h=280)
This is a device that replaces the soil's unit volume on-site with dry sand to indirectly measure the volume of the soil.
A device that replaces the unit volume of soil at the site with dry sand to indirectly measure the volume of soil, applicable in both cases of cohesive soil and non-cohesive gravelly soil.
