This paper analyzes the metering error of floating roof tank caused by the floating tray to guide the installation of liquidometer.

对浮所成的浮顶罐量误差进行了分析,用以指导仪装。

This article mainly designed one kind to use composition and so on PLC and flowmeter, PH idea, thermometer and liquidometer industrial sewage processing control systems.

本文主要设了一种利用PLC与流量、PH、温度和等组成的工业PH 污水处理控制系统。