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. operates cement laboratory instruments, concrete laboratory instruments, highway geotechnical laboratory instruments, dry powder mortar thermal insulation mortar laboratory instruments, asphalt waterproof material laboratory instruments, paint coating laboratory instruments, nondestructive testing and other laboratory instruments. Operate cement experimental instruments, concrete experimental instruments, highway geotechnical experimental instruments, dry powder mortar thermal insulation mortar experimental instruments, asphalt waterproof material experimental instruments, paint coating experimental instruments, non-destructive testing and other experimental instruments. With excellent quality, perfect after-sales service, and reasonable prices, the company's products are popular in universities, testing units, building materials enterprises, and engineering construction units. It enjoys a high status and good reputation among consumers. Users are located in nearly 30 provinces, municipalities and autonomous regions in China, and are exported to foreign countries. It has established long-term and stable cooperative relations with users. The company has strong strength, loyalty to credit and keep contract. There is a sound management system and a sound quality management system. And has a quick response and good service after-sales service system. We will make unremitting efforts to serve customers with excellent quality as always.
一、用途：
该石膏打磨性试验机是根据嵌缝石膏 JC_T 2075-2011标准中对打磨性试验的要求设计制造的。该仪器主要适用于测定建筑物内墙、顶棚等嵌缝石膏的打磨性。该仪器结构合理可靠， 操作简单，自动计数，整机重复性好。
1. Purpose
The gypsum sandability tester is designed and manufactured according to the requirements for sandability test in the caulking gypsum JC_T 2075-2011 standard. The instrument is mainly suitable for measuring the abrasiveness of caulking gypsum such as interior walls and ceilings of buildings. The instrument has reasonable and reliable structure, simple operation, automatic counting, and good repeatability of the whole machine.
二、技术参数：
◆打磨块运动频率：（37±2）次/min
◆打磨块运动距离：380mm（两端)
◆打磨块和夹具重：（460±20）g
◆打磨块尺寸：90mm X 40mm
◆设定计数范围：0-9999
◆电源：AC220V.50HZ.
◆外形尺寸：长X宽X高（575X470 X390)mm
2. Technical parameters:
◆Motion frequency of polishing block: (37±2) times/min
◆Moving distance of polishing block: 380mm (both ends)
◆Grinding block and fixture weight: (460±20)g
◆Grinding block size: 90mm X 40mm
◆Set counting range: 0-9999
◆Power supply: AC220V.50HZ.
◆Dimensions: length X width X height (575X470 X390)mm
