上海荣计达仪器科技有限公司经营水泥实验仪器、混凝土实验仪器、公路土工实验仪器、干粉砂浆保温砂浆实验仪器、沥青防水材料实验仪器、油漆涂料实验仪器、无损检测等实验仪器。经营水泥实验仪器、混凝土实验仪器、公路土工实验仪器、干粉砂浆保温砂浆实验仪器、沥青防水材料实验仪器、油漆涂料实验仪器、无损检测等实验仪器。公司产品凭借过硬的质量、完善的售后服务、合理的价格销往各大院校、检测单位、建材企业、工程建设单位。在消费者当中享有较高的地位和良好的口碑，用户遍布国内近三十个省市、自治区，并远销国外，与用户建立了长期稳定的合作关系。公司实力雄厚，重信用、守合同。有健全的管理制度和完善健全的质量管理体系。并有反应迅速、服务周到的售后服务系统。我们将不懈努力、一如既往以优异的品质为客户服务。

Shanghai Rongjida Instrument Technology Co., Ltd. deals in cement experimental instruments, concrete experimental instruments, highway geotechnical experimental instruments, dry mortar thermal insulation mortar experimental instruments, asphalt waterproof material experimental instruments, paint coating experimental instruments, non-destructive testing and other experimental instruments. Operating cement laboratory equipment, concrete laboratory equipment, highway geotechnical laboratory equipment, dry mortar thermal insulation mortar laboratory equipment, asphalt waterproof material laboratory equipment, paint coating laboratory equipment, non-destructive testing and other laboratory equipment. With excellent quality, perfect after-sales service, and reasonable prices, the company's products are sold to universities, testing units, building materials companies, and engineering construction units. It enjoys a high status and a good reputation among consumers. The users are located in nearly 30 provinces, cities, and autonomous regions in China, and are exported to foreign countries, and have established long-term and stable cooperative relations with users. The company is strong, trustworthy and abiding by contracts. Have a sound management system and a sound quality management system. And there is a quick response and good service after-sales service system. We will make unremitting efforts and, as always, serve our customers with excellent quality.

一、产品简介：测定碎石、砾石及破碎砾石中软弱颗粒含量。按颗粒大小分别加以0.15kN、0.25kN、0.34kN之荷载，破裂之颗粒即属于软弱颗粒，将其弃去，称出未破裂颗粒的质量。

1. Product introduction: Determine the content of soft particles in crushed stone, gravel and broken gravel. Loads of 0.15kN, 0.25kN, and 0.34kN are applied according to the particle size. The broken particles are weak particles. Discard them and weigh the mass of the unbroken particles.

二、技术参数：

◆电源电压：220V

◆大载荷：1200N

◆分度值：1N

2. Technical parameters:

◆Power supply voltage: 220V

◆Large load: 1200N

◆Graduation value: 1N