城鎮(zhèn)自來水公司水流量的計量是提高管理水平和節(jié)約用水的關鍵環(huán)節(jié)。介紹了供水行業(yè)水計量儀表的應用特點，闡述了電磁流量計等常用流量計的類型和新技術特點，提出了流量計量技術的發(fā)展趨勢，探討了以微型計算機和網(wǎng)絡技術為代表的新型自動化儀表的關鍵技術，并指出該技術具有的應用前景。
關鍵詞:電磁流量計 文丘里管 流量計 超聲流量計
Abstract: In urban water works, water flow metering is the key factor for efective management and water saving. The application features of water
flow measuring instruments used in water supply enterprises， introduced. The categories and new technical characteristics of commonly used flowmeteas,
,e .g. e lectromagneticfl owmeter,ar ed escribeda ndt hed evelopingtr endo fth em eteringte chnologiesis p roposed.S omec riticalte chnologieso f
novel process instrumentation represented場computer and network technology， investigated, and it is pointed thatthe prospects of this technology bright.
Keywords:E lectromagneticfl owmeter Venturitu befl owmeter Ultrasonic flowmeter