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由国家建材局建材科学研究院水泥研究所和常州市电子仪器厂共同开发研制的 QLY 型和 QLY-1型直读便携式气体流量测定仪于1984年10月21日至23日在常州通过了产品鉴定。QLY 系列气体流量测定仪改变了过去应用传统的毕托管和倾斜式微压计及温度测量等繁琐手续,应用微电脑处理技术,能在测试的同时迅速读出该测量点的温度、动压、静压、
By the National Building Materials Institute of Building Materials Institute of Cement and Changzhou City, the joint development of electronic equipment factory QLY-type and QLY-1-type direct-reading portable gas flow meter in October 21, 1984 to 23 in Changzhou passed the product Identification. QLY series of gas flow measuring instrument changed the past application of traditional Pitot tube and tilt micro-pressure gauge and temperature measurement and other cumbersome procedures, the application of microcomputer processing technology, can be measured at the same time quickly read out the measurement point temperature, dynamic pressure, static pressure ,