接口尺寸：螺纹（mm）加工定制：是防护等级：IP67测量范围：0-1.1（kPa）类型：Trafag,8781,8782,8783,SF6气体密度继电器带变送器,SF6气体密度防爆等级：IP67型号：Trafag,8781,8782,8783,SF6气体密度继电器带变送器,SF6气体密度测量介质：SF6气体和其它气体精度等级：1.0品牌：Trafag/瑞士输出信号：4-20（mA）电源电压：4（V）Trafag,8781,8782,8783,SF6气体密度继电器带变送器,SF6气体密度继电器,SF6气体密谋变送器Trafag,8781,8782,8783,SF6气体密度继电器带变送器,SF6气体密度继电器,SF6气体密度变送器主要技术规格适用于:SF6和其它气体防护等级IP65免维护免校准应用于高压开关设备压力范围:***压力0...1.1MPa(0...1100kPa)测量压力:0...0.85MPaSF6@20°C0...56.1kgSF6/m3输出:数字信号或模拟电流,可连续监测,长期无飘移适用于户外使用Trafag,8781,8782,8783,SF6气体密度继电器带变送器,SF6气体密度继电器,SF6气体密度变送器主要特点:Mostaccuratedeviceonthemarket市场上气体密度设备***准确的产品Highresistanceagainstvibrationandshock高抗振性和防冲击性NobouncingofelectricalcontactsExcellentlowandhightemperaturecapability适用于任何低温和高温的场合ApplicationHighvoltagetechnologymaincHaracteristicsGasDensityMonitorforSF6andothergaseswithoutputsignalforcontinuousmonitoringMechanicalmonitoring:?Principle:Referencegasmeasurement?Measuringrangeabsolute:0...1.1MPa(0...1100kPa)?Output:floatingchange-overcontact?Switchpoint:factorycalibratedElectronicmonitoring/Sensor:?Principle:Oscillatingquartzmeasurement?Measuringrangeabsolute:0...0.85MPaSF6@20°C0...56.1kgSF6/m3?Outputanalogue:currentloop?Accuracy:&plu***n;1.0%FStyp.&plu***n;1.8%FSmax.mainfeatures?Exactswitchingfollowingisochoreatalltemperatures?Nocontactbouncing?Independent,galvanicallyseparatedcircuits?Continuousanalogueoutputsignalforgasdensity?longtermdriftfreeoutputsignal?Vibrationandshockproof?ProtectionIP65?Maintenance-free?SuitableforoutdoorusageOrderinginformationSpecificati***MaincharacteristicsMechanicalmonitoring:Principle:ReferencegasmeasurementMeasuringrangeabsolute:0...1.1MPa(0...1100kPa)Output:floatingchange-overcontactSwitchpoint:factorycalibrationElectronicmonitoring:Principle:OscillatingquartzmeasurementMeasuringrangeabsolute:0...0.85MPaSF6@20°C0...56.1kgSF6/m3Outputanalogue:6.5...20mAcurrentloopswitchpointaccuracyReferencepressure<650kPa@20°Cabs.:&plu***n;<10kPa@-30...+50°CReferencepressure>650kPaabs.:&plu***n;<12kPa@-30...+50°CaccuracyofindicatorMechanicalmonitoring:SF6IndicatordialAccuracyofindicatorwithinnumeralisedrange:&plu***n;10kPa@20°CLowpressureindicatorAccuracyofindicatorwithinnumeralisedrange:@0kParelative:&plu***n;20kPa>200kParelative:&plu***n;10%accuracyofsensor:Accuracy:&plu***n;1.0%FStyp.&plu***n;1.8%FSmax.Repeatability:&plu***n;0.2%FSResp***etimeforinstalledsensors:τ(63%)<20msec.Measuredvaluewithin&plu***n;1.8%FSerrorbandafterconnectingto:SF6-pressurizedGIStank:96hvacuumizedGIStank:10min.MicroswitchRating:seetableResistanceofinsulation:>10MΩDielectricstrenght:2kVterminaltogroundLifetime(mechanical)Microswitch20:1Mio.cyclesMicroswitch28:10Mio.cyclesmax.differencefromthelowesttothehighestswitchpoint:130kPaSwitchingdifferentialtyp.Microswitch20:<15kPaMicroswitch28:<10kPaforindicatingrangeorswitchingdistance>80kPa:<15kPaElectricoutputsignalsensor:Outputsignal6.5...20mAcurrentloop0...0.85MPaabsoluteSF6@20°C0...56.1kgSF6/m3Earthing:viagasconnectionofsensorSupplyvoltageAnalogoutput:2-wire,10...32VDCDielectricalstrength:250Vagainstmass(EN60255-5)Resistanceofinsulation:>10MΩElectricalconnectionScrewedcablegland:seeaccessoriesScrewterminal:plugable,0.2...2.5mm2environmentalconditi***Ambienttemperature:–40...+80°CMediatemperature:–40...+80°CStoragetemperature:–40...+80°CProtection:IP65Humidity:max.98%relativeVibration:@min.5kPadistancefromswitchpointnocontactbouncingunder20...100Hz:4gShock:50g/8mEMCProtectionESD:15kVairEN/IEC61000-4-2RadiatedImmunity:10V/m,80...1000HzEN/IEC61000-4-3Burst:4kVEN/IEC61000-4-4Surge:4kV(42Ω)EN/IEC61000-4-5ConductedImmunity:10V,EN/IEC61000-4-6MechanicaldataMaterialMeasurementsystemMech.Sensor:1.4435,1.4404,1.4571(AISI316L,AISI316)Probehousing:1.4435,1.4404,1.4571(AISI316L)O-Ring(mediacontacting):CRFilling:GasHousing(densitymonitor):AISi10MgScrewedcablegland:brassnickelplatedWeight:~1kgPressureconnection:1.4404(AISI316L)(seedatasheetH72502)ElectricaldataswitchOutputSignalanalogueProtectionDimensi***Dimensi***)