【摘要】 介绍了目前在空调工程中应用的超声波流量计的工作原理和性能特点,对不同测试原理和规格的超声波流量计进行了性能对比研究,指出在实际工作中必须注意由于测试原理、测试方法、操作等因素引起的差别,采取相应的技术措施,才能掌握和正确使用此类仪器。更多还原

【Abstract】 Describes the fundamentals and performances of ultrasonic meters which is used in air conditioning systems. After testing several ultrasonic meters, we find that there are different performance among ultrasonic meters becaouse of different fundamental and series. People should pay attention to the difference in order to use them correctly.更多还原