• Direct-reading 3-1/2” (89 mm) diameter gauge.
• Built-in hand pump with instant release valve.
• Quick-operating lid clamps.
The Press-Ur-Meter is a 1/4 cu. ft. (0.007 m3) air meter used to quickly determine the percentage of entrained air in fresh concrete.
The meter is supplied complete with tamping rod, syringe, calibration vessel, straight edge and carrying case.