Myers - Pressure Air Meter Watts

The pressure air meter watts style for field and laboratory tests determine air content, determination of specific gravity as well as free moisture test of aggregates.  The Watts Style meter has “j-hook” shaped latch tabs. In addition, the device comes complete with the meter, plastic carrying case, bulb syringe, and tamping rod. As well as a strike off bar, calibration vessel, and inside/outside calibration tubes.