Press-Ur-Meter 混凝土 Air Meter

This is the original Press-Ur-Meter for field and laboratory tests. This air meter is designed to provide air content and the determination of specific gravity and free moisture of aggregate. 节省时间, 减少用水, ensure accuracy and maintain sample integrity (sample may also be used for slump and compression tests). The meter uses brass cover clamps, which can be adjusted for clamping pressure. 一个大的, 易读的, 4”直径, direct percentage gauge with calibration adjustments is accurate to nearest 0.1%.The H-2786 meter also features the 洪堡, 全黄铜超级泵, the most reliable and highest quality pump available. The meter's base/bucket can be used as a 0.25 cu. ft. 单位重量计量. The kit includes a wood or molded-plastic carrying case; tamping rod; strike-off bar; rubber bulb syringe; aluminum calibration vessel; inside calibration tube, outside calibration tube and operating instructions.