Manual air permeability tester according to Blaine for the determination of the specific surface (grinding fineness / Blaine value) of cement and other powdered materials in accordance with EN 196 and ASTM C 204.
Lacquered steel sheet stand with mounted U-tube manometer. The manometer is equipped with a conical seat for the measuring cell and level marks for the manometer fluid. The measuring cell is made of stainless steel and fits exactly to the conical seat of the U-tube manometer. Behind the manometer a mirror is mounted to avoid reading errors. To record the ambient temperature a thermometer is installed on the instrument.