Product Specifications: Product Name: Soil Swelling Rate Tester Soil Measuring Cup Capacity: 10mL Soil Measuring Cup Inner Diameter: 20mm Functional Funnel Diameter: Upper opening 51mm / Lower opening 4.5mm Application: Primarily used to determine the volume swelling rate of clayey soil during immersion and the moisture content after swelling stabilizes. Packaging List: Soil Swelling Rate Tester *1 【Precise Measurement】The Soil Free Swelling Rate Tester professionally measures the volumetric swelling rate and swelling stability water content of clayey soils during immersion, providing reliable soil analysis data. 【Flexible Structure】The unique detachable design, with a fixed combination of the measuring cup and funnel, balances the stability of the Soil Swelling Rate Tester with operational flexibility, significantly improving experimental repeatability. 【High Precision Guarantee】The built-in Funnel Soil Measuring Cup Stirrer ensures thorough dispersion of soil particles, achieving high-precision test results. 【Durable Accessories】Equipped with an 8-hole pure steel stirring head, an adjustable cast iron leveling base, and a high-hardness measuring cup, the Funnel Soil Measuring Tool components are durable and require only wiping for cleaning. 【Applicability】Complies with highway/railway/geological engineering standards, includes a 10mL measuring cup (20mm inner diameter) and a 5 1/4.5mm funnel, specifically designed for clay swelling rate determination. Manufacturer Generic Item model number GF465D