一、主要特点：
1. 图形液晶显示技术，全中文菜单，操作方便。
2. 调节器带伺服放大器功能，直接控制电动执行机构。
3. SSR输出的仪表具有过流保护功能。
4. 可同时带测量信号变送输出。
图形液晶显示技术，全中文菜单，操作方便。调节器带伺服放大器功能，直接控制电动执行机构。输出的仪表具有过流保护功能。可同时带测量信号变送输出。
DY2000仪表、福建东辉、东辉仪表、大延牌
DY21FS020、DY21FS021、DY21FS023、DY21FS024、DY21FS026、DY21FS028、DY21FS029
DY21FS060、DY21FS061、DY21FS063、DY21FS064、DY21FS066、DY21FS068、DY21FS069
DY21FS080、DY21FS081、DY21FS083、DY21FS084、DY21FS086、DY21FS088、DY21FS089
DY21FS090、DY21FS091、DY21FS093、DY21FS094、DY21FS096、DY21FS098、DY21FS099
DY21FS120、DY21FS121、DY21FS123、DY21FS124、DY21FS126、DY21FS128、DY21FS129
DY21FS160、DY21FS161、DY21FS163、DY21FS164、DY21FS166、DY21FS168、DY21FS169
DY21FS180、DY21FS181、DY21FS183、DY21FS184、DY21FS186、DY21FS188、DY21FS189
DY21FS190、DY21FS191、DY21FS193、DY21FS194、DY21FS196、DY21FS198、DY21FS199
DY21FS220、DY21FS221、DY21FS223、DY21FS224、DY21FS226、DY21FS228、DY21FS229
DY21FS260、DY21FS261、DY21FS263、DY21FS264、DY21FS266、DY21FS268、DY21FS269
DY21FS280、DY21FS281、DY21FS283、DY21FS284、DY21FS286、DY21FS288、DY21FS289
DY21FS290、DY21FS291、DY21FS293、DY21FS294、DY21FS296、DY21FS298、DY21FS299
DY21FS320、DY21FS321、DY21FS323、DY21FS324、DY21FS326、DY21FS328、DY21FS329
DY21FS360、DY21FS361、DY21FS363、DY21FS364、DY21FS366、DY21FS368、DY21FS369
DY21FS380、DY21FS381、DY21FS383、DY21FS384、DY21FS386、DY21FS388、DY21FS389
DY21FS390、DY21FS391、DY21FS393、DY21FS394、DY21FS396、DY21FS398、DY21FS399
DY21FS420、DY21FS421、DY21FS423、DY21FS424、DY21FS426、DY21FS428、DY21FS429
DY21FS460、DY21FS461、DY21FS463、DY21FS464、DY21FS466、DY21FS468、DY21FS469
DY21FS480、DY21FS481、DY21FS483、DY21FS484、DY21FS486、DY21FS488、DY21FS489
DY21FS490、DY21FS491、DY21FS493、DY21FS494、DY21FS496、DY21FS498、DY21FS499
DY21FS520、DY21FS521、DY21FS523、DY21FS524、DY21FS526、DY21FS528、DY21FS529
DY21FS560、DY21FS561、DY21FS563、DY21FS564、DY21FS566、DY21FS568、DY21FS569
DY21FS580、DY21FS581、DY21FS583、DY21FS584、DY21FS586、DY21FS588、DY21FS589
DY21FS590、DY21FS591、DY21FS593、DY21FS594、DY21FS596、DY21FS598、DY21FS599
DY21FS620、DY21FS621、DY21FS623、DY21FS624、DY21FS626、DY21FS628、DY21FS629
DY21FS660、DY21FS661、DY21FS663、DY21FS664、DY21FS666、DY21FS668、DY21FS669
DY21FS680、DY21FS681、DY21FS683、DY21FS684、DY21FS686、DY21FS688、DY21FS689
DY21FS690、DY21FS691、DY21FS693、DY21FS694、DY21FS696、DY21FS698、DY21FS699
DY21FS720、DY21FS721、DY21FS723、DY21FS724、DY21FS726、DY21FS728、DY21FS729
DY21FS760、DY21FS761、DY21FS763、DY21FS764、DY21FS766、DY21FS768、DY21FS769
DY21FS780、DY21FS781、DY21FS783、DY21FS784、DY21FS786、DY21FS788、DY21FS789
DY21FS790、DY21FS791、DY21FS793、DY21FS794、DY21FS796、DY21FS798、DY21FS799
DY21FR020、DY21FR021、DY21FR023、DY21FR024、DY21FR026、DY21FR028、DY21FR029
DY21FR060、DY21FR061、DY21FR063、DY21FR064、DY21FR066、DY21FR068、DY21FR069
DY21FR080、DY21FR081、DY21FR083、DY21FR084、DY21FR086、DY21FR088、DY21FR089
DY21FR090、DY21FR091、DY21FR093、DY21FR094、DY21FR096、DY21FR098、DY21FR099
DY21FR120、DY21FR121、DY21FR123、DY21FR124、DY21FR126、DY21FR128、DY21FR129
DY21FR160、DY21FR161、DY21FR163、DY21FR164、DY21FR166、DY21FR168、DY21FR169
DY21FR180、DY21FR181、DY21FR183、DY21FR184、DY21FR186、DY21FR188、DY21FR189
DY21FR190、DY21FR191、DY21FR193、DY21FR194、DY21FR196、DY21FR198、DY21FR199
DY21FR220、DY21FR221、DY21FR223、DY21FR224、DY21FR226、DY21FR228、DY21FR229
DY21FR260、DY21FR261、DY21FR263、DY21FR264、DY21FR266、DY21FR268、DY21FR269
DY21FR280、DY21FR281、DY21FR283、DY21FR284、DY21FR286、DY21FR288、DY21FR289
DY21FR290、DY21FR291、DY21FR293、DY21FR294、DY21FR296、DY21FR298、DY21FR299
DY21FR320、DY21FR321、DY21FR323、DY21FR324、DY21FR326、DY21FR328、DY21FR329
DY21FR360、DY21FR361、DY21FR363、DY21FR364、DY21FR366、DY21FR368、DY21FR369
DY21FR380、DY21FR381、DY21FR383、DY21FR384、DY21FR386、DY21FR388、DY21FR389
DY21FR390、DY21FR391、DY21FR393、DY21FR394、DY21FR396、DY21FR398、DY21FR399
DY21FR420、DY21FR421、DY21FR423、DY21FR424、DY21FR426、DY21FR428、DY21FR429
DY21FR460、DY21FR461、DY21FR463、DY21FR464、DY21FR466、DY21FR468、DY21FR469
DY21FR480、DY21FR481、DY21FR483、DY21FR484、DY21FR486、DY21FR488、DY21FR489
DY21FR490、DY21FR491、DY21FR493、DY21FR494、DY21FR496、DY21FR498、DY21FR499
DY21FR520、DY21FR521、DY21FR523、DY21FR524、DY21FR526、DY21FR528、DY21FR529
DY21FR560、DY21FR561、DY21FR563、DY21FR564、DY21FR566、DY21FR568、DY21FR569
DY21FR580、DY21FR581、DY21FR583、DY21FR584、DY21FR586、DY21FR588、DY21FR589
DY21FR590、DY21FR591、DY21FR593、DY21FR594、DY21FR596、DY21FR598、DY21FR599
DY21FR620、DY21FR621、DY21FR623、DY21FR624、DY21FR626、DY21FR628、DY21FR629
DY21FR660、DY21FR661、DY21FR663、DY21FR664、DY21FR666、DY21FR668、DY21FR669
DY21FR680、DY21FR681、DY21FR683、DY21FR684、DY21FR686、DY21FR688、DY21FR689
DY21FR690、DY21FR691、DY21FR693、DY21FR694、DY21FR696、DY21FR698、DY21FR699
DY21FR720、DY21FR721、DY21FR723、DY21FR724、DY21FR726、DY21FR728、DY21FR729
DY21FR760、DY21FR761、DY21FR763、DY21FR764、DY21FR766、DY21FR768、DY21FR769
DY21FR780、DY21FR781、DY21FR783、DY21FR784、DY21FR786、DY21FR788、DY21FR789
DY21FR790、DY21FR791、DY21FR793、DY21FR794、DY21FR796、DY21FR798、DY21FR799
DY22FS020、DY22FS021、DY22FS023、DY22FS024、DY22FS026、DY22FS028、DY22FS029
DY22FS060、DY22FS061、DY22FS063、DY22FS064、DY22FS066、DY22FS068、DY22FS069
DY22FS080、DY22FS081、DY22FS083、DY22FS084、DY22FS086、DY22FS088、DY22FS089
DY22FS090、DY22FS091、DY22FS093、DY22FS094、DY22FS096、DY22FS098、DY22FS099
DY22FS120、DY22FS121、DY22FS123、DY22FS124、DY22FS126、DY22FS128、DY22FS129
DY22FS160、DY22FS161、DY22FS163、DY22FS164、DY22FS166、DY22FS168、DY22FS169
DY22FS180、DY22FS181、DY22FS183、DY22FS184、DY22FS186、DY22FS188、DY22FS189
DY22FS190、DY22FS191、DY22FS193、DY22FS194、DY22FS196、DY22FS198、DY22FS199
DY22FS220、DY22FS221、DY22FS223、DY22FS224、DY22FS226、DY22FS228、DY22FS229
DY22FS260、DY22FS261、DY22FS263、DY22FS264、DY22FS266、DY22FS268、DY22FS269
DY22FS280、DY22FS281、DY22FS283、DY22FS284、DY22FS286、DY22FS288、DY22FS289
DY22FS290、DY22FS291、DY22FS293、DY22FS294、DY22FS296、DY22FS298、DY22FS299
DY22FS320、DY22FS321、DY22FS323、DY22FS324、DY22FS326、DY22FS328、DY22FS329
DY22FS360、DY22FS361、DY22FS363、DY22FS364、DY22FS366、DY22FS368、DY22FS369
DY22FS380、DY22FS381、DY22FS383、DY22FS384、DY22FS386、DY22FS388、DY22FS389
DY22FS390、DY22FS391、DY22FS393、DY22FS394、DY22FS396、DY22FS398、DY22FS399
DY22FS420、DY22FS421、DY22FS423、DY22FS424、DY22FS426、DY22FS428、DY22FS429
