论文部分内容阅读
一、概述 QLW-A型空气流量计用于测量气体的流量和总量。主要由分流式涡轮流量变送器与配套的数字直读式显示仪表组成:涡轮流量变送器安装在被测气体的流通管通内,将流经管道的气体流量转换成脉冲信号。经放大、整形、计数累积,从而实现流量积算。该流量计采用国内先进的分流插入涡轮流量变送器及中规模CMOS集成电路流量
First, an overview QLW-A-type air flow meter for measuring gas flow and total. Mainly by the shunt turbine flow transmitter and supporting the digital direct-reading display instrument components: Turbine flow transmitter installed in the measured gas flow through the tube, the flow of gas flowing through the pipeline into a pulse signal. After amplification, shaping, counting cumulative, in order to achieve flow totalizer. The flow meter using the domestic advanced diversion into the turbine flow transmitter and the scale of CMOS integrated circuit traffic