Iwin-Fbt-X Cement Specific Surface Area Tester for Building Material Testing. Fully automated microcomputer control with a high-definition digital display, ensuring rapid one-touch measurement and error-free result calculation. Strictly compliant with global industry standards including ASTM C204 and EN 196-6, delivering high-precision data and reliable repeatability for quality control. Robust integrated piping system paired with high-sensitivity sensors, engineered for stable and heavy-duty performance in demanding industrial laboratories.