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美国伯劳德（Baroid）公司生产的简易轻便手提式颗粒度测定盘，是用来测定任何类型钻井液中最大粒度尺寸极限，该颗粒度盘的结构结实耐震，适用于现场评定固体控制设备和评价围控设备效率，该颗粒度盘可以用于检验钻井液流经振动筛、旋流除砂器的状况，通过伯劳德颗粒度测定盘的测定结果与通过刮板获得读数结果完全相同。
The Barony portable light granularity measurement plate is used to determine the maximum particle size limit in any type of drilling fluid. The structure of the particle scale plate is strong and shockproof, suitable for on-site assessment of solid control equipment and evaluation The efficiency of the enclosure was checked. The particle tray was used to check the flow of drilling fluid through the vibrating screen and the cyclone desilver. The results of the determination by the particle swabs were identical to those obtained by scraper.