The type B pressure air meter flat gauge mount (white meter) measures entrained air in normal weight fresh mixed concrete.  The meter differs from others in that its gauge lays flat on its lid. The meter shows tare weight stamped in grams on the bottom for convenience.
When used with the supplied nomograph, the air meter provides quick and easy particle density and percent of free moisture in aggregate determinations. Additionally, the meter comes with an aluminum tamping bar.
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