摘要
介绍一种应用在工业用大口径超声式气体管道流量计中的电路设计方案。本电路经过试验,有很高的可靠性和实用性。它克服了转子式气体流量计固有的时漂误差。
A circuitry design was introduced, which used in the large caliber ultrasonic gas flowmeter. The circuitry design had high reliability and practicability. It eliminated entirely the time-drift error which existed in the gas rotameter flowmeters.
出处
《仪表技术》
2005年第5期78-79,共2页
Instrumentation Technology
关键词
超声波
气体流量计
自动增益控制
双积分
ultrasonic
gas flowmeter
auto-gaining control
double integral
