产品名称:PG系列气用微压/微差压开关产品型号:PG可调可视设定点刻度特点：大膜盒，高灵敏度，外部可视刻度可调，快动或***密封开关，被列入UL，FM和CSA清单介质：空气及相容气体可调范围：250-7500Pa～3.5-35KPa工作温度：0-82.2℃额定压力：不能超过***大的可调工作压力范围接点容量：SPDT为4A/120VAC,2A/240VAC,SPST为6A/120VAC,3A/240VAC安装方式：垂直尺寸：177.8X101.6mm重量：3.4Kg选型表：型号范围***大死区开关类型PG-153-P11-30"water(.25-7.47kPa)1.9"w.c.(0.47kPa)SPDTMercuryPG-153-P20.5-5psid(.03-3.45bar)0.4psid(0.38bar)SPDTMercuryPG-3-P11-30"water(.25-7.47kPa)1.3"w.c.(0.32kPa)SPSTMercury¹PG-3-P20.5-5psid(.03-3.45bar)0.3psid(0.21kPa)SPSTMercury¹PG-7000-153-P11-30"water(.25-7.47kPa)4"w.c.(1.0kPa)SPDTSnapPG-7000-153-P20.5-5psid(.03-3.45bar).5psid(.035bar)SPDTSnapPG-7000-153HS-P11-30"water(.25-7.47kPa)4"w.c.(1.0kPa)SPDTHermeticallySealedSilverSnapPG-7000-153HG-P11-30"water(.25-7.47kPa)4"w.c.(1.0kPa)SPDTHermeticallySealedGoldSnap举例PG153P1PG-153-P1(Vacuum)(Pressure)(DifferentialPressure)Control,fixeddeadband,automaticreset,SPDTmercuryswitch,adjustablerange1.0-30"w.c.(25-760bar).ULFMCSA结构PGGeneralpurposeenclosure,NEMA-1(standard)ULFMCSA复位操作PRManualreset,operatesonpressureincreaseautomatically,resetsondecrease1ULFMCSAPRLManualreset,operatesonpressuredecreaseautomatically,resetsonincrease1ULFMCSA封装选项WWeather-resistantenclosure,NEMA-2,3RFMCSAEExplosion-proofenclosure,NEMA-7,9,ClassI,GroupsC&D;ClassII,GroupsE,F&G,includesdrain,specifyifforpressure,vacuumordifferentialpressure.电路(开关)选项(ForElectricalCodesseeChartBelow)2SPSTmercuryswitch,elect.codeK†,opensonvacuum,pressureordifferentialpressureincreaseULFMCSA2PSPSTmercuryswitch,elect.codeL†,opensonvacuum,pressureordifferentialpressureincreaseULFMCSA3SPSTmercuryswitch,elect.codeK†,closesonvacuum,pressureordifferentialpressureincreaseULFMCSA3PSPSTmercuryswitch,elect.codeL†,closesonvacuum,pressureordifferentialpressureincreaseULFMCSA153SPDTmercuryswitch,elect.codeM†ULFMCSA103DPST,twoSPSTmercuryswitches,elect.codeL†,bothcloseonincrease,FMapproved,PG,PGWonlyULFMCSA105DPST,twoSPSTmercuryswitches,oneelect.codeL†,oneelect.codeN,bothopenondecreaseULFMCSA127DPST,twoSPSTmercuryswitches,elect.codeL†,bothopenonincreaseULFMCSA129DPST,twoSPSTmercuryswitches,oneelect.codeL†,oneelect.codeN,bothopenonincreaseULFMCSA158SPDT,twoSPSTmercuryswitches,oneelect.codeL†-opensonincrease,oneelect.codeN-closesonincreaseULFMCSA161SPDT,twoSPSTmercuryswitches,oneelect.codeL†-opensondecrease,oneelect.codeN-closesondecreaseULFMCSA156SPDT,twoSPSTmercuryswitches,elect.codeL†,one-opensonincrease,oneclosesonincreaseULFMCSA804DPDT,twoSPDTmercuryswitches,elect.codeM†(__)Othercircuits***ailable,c***ultfactory7000153SPDT,snapactingswitch,rated15Aat120VAC,8Aat240VAC,0.5Aat120VDC,.25Aat240VDC(1)153HSSPDT,Hermeticallysealedsnapswitch,rated5Aat125/250VAC,5Aresistiveat30VDCUL153HGSPDT,Hermeticallysealedgoldcontactsnapswitch,rated1Aat125VAC,1Aresistiveat30VDCUL7200804DPDT,twoSPDTsnapactingswitches,rated5Aat120/240VAC,30VDCresistive(1)可调压差范围P1Adjustablerange1.0-30"w.c.(25-760bar),maximumsustainedpressure2psig*(0.14bar)ULFMCSAP2Adjustablerange0.5-5psig(.03-.35bar),maximumsustainedpressure10psig*(0.69bar)ULFMCSA*Maximumsustainedpressure15psig(1.0),maximumsurgelimit20psig(1.4),bothrangeswhenusedassinglepressureswitchwithlowpressureportventedtoatmosphere.17000-153and7200-804not***ailablewithPRorPRLmanualreset.†SeeElectricalRatingChartBelow.ELECTRICALRATINGS-MercurySwitchCODERATINGACorDCK6Aat120V,3Aat240VL10Aat120V,5Aat240VM4Aat120V,2Aat240VN1Aat120V,0.5Aat240V)