德国WIKA压力开关
Application
Pressuremonitoringandprocesscontrol
Industrieswithhighsafetyapplicationsforprocessinstruments:chemical,petrochemical,oilandgas,powerplant(includingnuclearpower),water/sewagetreatment,mining,etc
Suitableforaggressive,highlyviscousorcontaminatedgaseousandliquidmediaandaggressiveenvironments
Features
Switchelectricalloadwithoutpowersupply
Sturdyaluminumcase,IP66protection,NEMA4Xstandard
Settherangefrom0...1.6kPatozero...60MPa,staticpressureandunilateralpressureupto16MPa
Repeataccuracy:≤1%ofSPAN
Oneortwoindependentswitchingvalues,singlepoledoublethrow(SPDT)ordoublepoledoublethrow(DPDT),electricalcontactratingsupto20A/AC250V
Pressuremonitoringandprocesscontrol
Industrieswithhighsafetyapplicationsforprocessinstruments:chemical,petrochemical,oilandgas,powerplant(includingnuclearpower),water/sewagetreatment,mining,etc
Suitableforaggressive,highlyviscousorcontaminatedgaseousandliquidmediaandaggressiveenvironments
Features
Switchelectricalloadwithoutpowersupply
Sturdyaluminumcase,IP66protection,NEMA4Xstandard
Settherangefrom0...1.6kPatozero...60MPa,staticpressureandunilateralpressureupto16MPa
Repeataccuracy:≤1%ofSPAN
Oneortwoindependentswitchingvalues,singlepoledoublethrow(SPDT)ordoublepoledoublethrow(DPDT),electricalcontactratingsupto20A/AC250V
型号：MA
防爆外壳Ex-d
应用
压力监控及过程控制
对过程仪表有高安全应用的行业：化工、石化、油气、电厂（含核电）、水/污水处理、采矿等
适用于侵蚀性、高粘度或受污染的气体和液体介质以及侵蚀性环境
功能特性
开关电气负载时无需电源
坚固的铝合金外壳，防护等级IP66，符合NEMA4X标准
设定范围从0…1.6kPa到0…60MPa，高达16MPa的静压值和单侧压力值
重复精度：≤1%ofspan
1个或2个独立切换值，单刀双掷（SPDT）或双刀双掷（DPDT），电接点额定值高达20A/AC250V
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