11目录一、前言--------------------------------------------------------------------------------------------------------------1二、工作原理-------------------------------------------------------------------------------------------------------1三、主要技术参数------------------------------------------------------------------------------------------------3四、UF-911A流量计的系统配置与使用说明----------------------------------------------------------34．1UF-911A流量计的系统配置--------------------------------------------------------------------------34．2换能器和换能器座--------------------------------------------------------------------------------------44．3电缆--------------------------------------------------------------------------------------------------------54．4电子插箱--------------------------------------------------------------------------------------------------54．1．1控制机箱-----------------------------------------------------------------------------------------54．2．2扩展机箱-----------------------------------------------------------------------------------------5五、UF-911A流量计的菜单系统及其操作----------------------------------------------------------------65．1UF-911A流量计的菜单系统介绍---------------------------------------------------------------------65．1．1启动与关闭UF-911超声波流量计程序---------------------------------------------------65．1．2菜单介绍------------------------------------------------------------------------------------------7六、UF-911A流量计的安装与调试--------------------------------------------------------------------------186．1流量计的安装--------------------------------------------------------------------------------------------186．1．1换能器安装与定位-------------------------------------------------------------------------------186．1．2电缆连接-------------------------------------------------------------------------------------------186．1．3主机安装-------------------------------------------------------------------------------------------186．1．4调试前准备----------------------------------------------------------------------------------------186．2UF－911A流量计的调试--------------------------------------------------------------------------------18七、UF-911A流量计的维护-------------------------------------------------------------------------------187．1日常一般维护----------------------------------------------------------------------------------------------187．1．1日常维护周期-------------------------------------------------------------------------------------187．1．2维护的内容----------------------------------------------------------------------------------------197．2定期重点维护----------------------------------------------------------------------------------------------197．2．1定期重点维护周期-------------------------------------------------------------------------------197．2．2定期重点维护内容-------------------------------------------------------------------------------197．2．2．1流量计主机的重点维护项目---------------------------------------197．2．2．2换能器和信号电缆的重点维护项目---------------------------------197．2．2．3重点维护后的重新投运-------------------------------------------20八、UF-911流量计的故障诊断和排障-------------------------------------------------------208．1故障的初步分析和判断----...
