Used to measure the efflux index of fine aggregates (shape and angularity). The efflux index of an aggregate is the required time in seconds for a known volume of aggregates to flow from a known opening.

The unit is formed by an aluminium body, Ø 90 mm by 125 mm height, an aluminium feed hopper Ø 100 mm by 170 mm height, a control shutter, a polycarbonate funnel having 85 mm height, a 60° conical part, which ends has Ø 12 mm, base support, valve, decanter.

Dimensions: 200x240x600 mm
Weight: 8 kg approx.