Standard: EN 12697-40
Used to determine the time taken for 4 liters of water to dissipate through an annular area of the surfacing of a pavement under known conditions.
Consisting of:
- acrylic tube 125 mm inside diameter, 560 mm long,
marked at 1 liter and at 5 liters
- internal rod with rubber ball valve
- wooden base with sealing gasket
Dimensions: 800x450x680 mm
Weight: 8 kg approx.