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由水电部水利水电科学研究院结构材料所设计的、该院仪器工厂生产的CA-1型气压法混凝土含气量测定仪,比水压法,体积法的混凝土含气量测定仪在率定工作和操作上较为简便,且精度亦可满足工程要求,深受国内外有关的施工、科研、学校等用户单位的欢迎。CA-1型气压法混凝土含气量测定仪所测定的混凝土,其最大骨料粒径不得大于40mm;最大含气量测定值为8%;量钵的内径和高度均为208mm,容积为7L。空气室容积为0.35L。压力表的量程为0.16MPa,分度值为0.005MPa;含气量最小读数
The CA-1 air-concrete concrete gas content measuring instrument, which is designed by the Ministry of Water Resources and Hydropower Research Institute of the Ministry of Water Resources and Hydropower Research Institute, is used to calibrate the concrete gas content measuring instrument for water pressure method and volume method. The operation is relatively simple, and the accuracy can also meet the engineering requirements. It is welcomed by users, such as construction, research, and schools at home and abroad. The concrete measured by the CA-1 air concrete concrete gas content measuring instrument shall have a maximum aggregate particle size of no more than 40 mm; a maximum gas content of 8%; an internal diameter and a height of 208 mm, and a volume of 7 L. The air chamber volume is 0.35L. The pressure gauge has a measuring range of 0.16MPa and a division value of 0.005MPa; the minimum reading of the gas content