DPG1000ADA-100G-1R压力表美国omega报警装置和模拟输出功能的数字压力计DPG1000ADA_DPG1000DAR系列DPG1000ADA_DPG1000DAR系列：报警装置和模拟输出功能的数字压力计DPG1000ADA-15G-1NADorDCPoweredwithDualAlarmsDCPoweredwithDualAlarmsandAnalogOutputRangesbetween15psiand3000psiNormalorReverseActingAlarmsHi/Lo,Hi/Hi,orLo/LoAlarms***ailableColoredLEDAlarmStatusIndicatorsUsingtheDPG1000ADAandDPG1000DARAlarmOutputsNormal(Fail-safe)vs.ReverseAction—Theconventionforalarmactionisthatwiththenormalorfail-safeconfiguration,thealarmoutputrelayswillbeCLOSED(relayenergized)foraclearornon-alarmconditionandOPEN(relaynotenergized)foranalarmcondition.Thisisprimarilyforuserswhorequireanalarmconditionifthegaugelosespowerorsuffersacatastrophicfailure.Inthewiringdiagrams,thenormallyclosedandnormallyopendesignati***refertostandardrelayterminology(i.e.,therelaycontactstatuswiththerelaycoilnotenergized).Therefore,withthenormal(fail-safe)configurationinagreenornon-alarmcondition,therelaywillbeenergizedsothatcontinuitycanbeexpectedbetweenthecommonandnormallyopenleads.Inaredoralarmcondition,therelaywillbeopen(notenergized)sothatcontinuitycanbeexpectedbetweenthecommonandnormallyclosedleads.ContactRatingandProtectionThecontactsofthealarmrelaysareratedat1A/24Vdcor0.5A/115Vac.Switchingloadsgreaterthantherating,orswitchinglargeinductiveloads,willshortentheusefullifeofthecontacts.Inlowlevelswitchingorwithdrycontacts,theusershouldc***iderwhetherexternalcontactprotection,suchassnubbernetworksorarcsuppressionnetworks,isrequiredtoprotectthecontacts.Inaddition,nointernalfusingisincludedintheDPG1000contactcircuits.Thecircuitexternaltothegaugealarmoutputsshouldbefusedbytheuserinapplicati***inwhichgooddesigndictatesthispractice.UsingtheDPG1000DARAnalogOutputTheanalogoutputiseasytouseifafewsystemc***iderati***areobserved.TheDPG1000DARisDCpowered,withthegaugepowersupply(–)tiedtothe4to20mA(–).Therefore,theDCsupply(–)leadshouldbec***ideredcommonwithregardtotheanalogoutput(–)orgroundconnectionintheuser’ssystem.Besuretoobservetheoutputcompliance(voltagedrive)capabilitiesofthegauge.Thecompliance,andthereforethemaximumloopresistancetheoutputcandrive,isafunctionofthesupplyvoltagetothegauge.C***ultthemanualformaximumloopresistancevs.supplyvoltage.Toolargealoopresistancewillcausethegaugeoutputto“limit”orsaturatebeforereachingitsfull20mAoutput.DPG1000ADAAC/DCPoweredwithDualAlarmsSPECIFICATI***Accuracy:&plu***n;0.25%FSOorbetter,&plu***n;1least-significantdigit(includeslinearity,hysteresis,repeatability)ControlsandLocation:Displayzero/span,non-interactive,&plu***n;15%range;setpoint1andsetpoint2,0to100%range;top-accessible,multiturnpotentiometersAlarmDeadbands(Hysteresis):1%ofFSO,standardAlarmOutputs:Dualform“C”(SPDT)relaycontacts;individualsetpoint1andsetpoint2settingsviatop-accessiblemultiturnpotentiometers;high/lowalarmconfigurationstandard,others***ailable;relaycontactsrated1A/24Vdc,0.5A/115Vac,non-inductiveAlarmIndicators:Bicolor(red/green)LEDsonfrontpanelTestFunction:Front-panelTESTbutton,whendepressed,togglesbothSP1andSP2alarmstatus,independentofpressureinput,toallowtestingofsystemoperationAlarmResp***eTime:100mstypicalPower:AnyACsourceof8to24Vac,50/60Hz,oranyDCsourceof9to32Vdc,1.0Wmaximum;optionalwall-mountpowersupply***ailabletooperateon115Vac(DPG1000-PS)DPG1000DARDCPoweredwithDualAlarmsand4to20mAOutputSPECIFICATI***Accuracy:&plu***n;0.25%FSOorbetter,&plu***n;1least-significantdigit(includeslinearity,hysteresis,repeatability)ControlsandLocation:Displayzero/span,non-interactive,&plu***n;15%range;setpoint1andsetpoint2,0to100%range;testcalibrationlevel,0to100%range;top-accessible,multiturnpotentiometersanalogoutputzero/span;internalpotentiometersAlarmDeadbands(Hysteresis):1%ofFSO,standardAlarmOutputs:Dualform“C”(SPDT)relaycontacts;individualsetpoint1andsetpoint2settingsviatop-accessiblemultiturnpotentiometers;high/lowalarmconfigurationstandard;relaycontactsrated1A/24Vdc,0.5A/115Vac,non-inductiveAlarmIndicators:Bi-color(red/green)LEDsonfrontpanelAlarmResp***eTime:100mstypicalAnalogOutput:4to20mADC;outputdrive(compliance)determinedbypowersourceAnalogOutputResp***eTime:50ms,typicalTestFunction:Front-panelTESTbutton,whendepressed,togglesbothSP1andSP2alarmstatusandsimultaneouslysetsdisplayandanalogoutputto“calibration”level,independentofpressureinput,toallowtestingsystemoperationPower:AnyDCsourceof9to32Vdc,1.0WmaxElectricalConnection:0.9m(3')long,4-conductor22AWGshieldedcableforpowerandretran***ittedoutput;0.9m(3')long,6-conductor22AWGcableforalarmcontactsALARMS(finalsiffix1Nstandard)1=HI/LO(standard)2=HI/HI3=LO/LON=NormalActing(standard)R=ReverseActingExample:DPG1000ANA-15G-3RHASLO/LOALARMS,ReverseActingDPG1000ADA-100G-1R压力表美国omega相关产品:DPG1000B-1KG压力表美国omega)