Air Entrainment Meter B type
Consists of a pressure tight flanged cylindrical measuring bowl Fitted fitted with a removable flanged conical cover assembly With a seal in between. Conical cover has an air valve and a Pet cock for bleeding off the water. A cylindrical
Which is graduated in air content, is fixed to the conical cover assembly. The whole assembly is
mounted on a flat base. Each apparatus is supplied complete with a pressure bulb or Air pump, calibrating cylinder, pressure gauge, funnel, trowel and tamping bar.