两线防爆压力变送器
两线防爆压力变送器YSZA/YSZBTwo-lineexplosion-proofpressuretran***itterYSZA(YSZ)标准防腐型Standardcorrosionproof防爆合格证号Explosion-proofeligibilitycertificate:CE042028YSZB(YSZ)简易型Facilitystyle产品简介我公司生产的两线防爆压力变送器具有现场指示和远传输出两个功能,两部分各自相互***,显示部分为一波登管压力表,压力传感器和相应的电器组成两线压力变送器的输出部分。此产品被广泛应用于石油、化工、炼钢、化纤、制药等行业。此产品为本质安全防爆型产品。是根据GB3836-83《***性环境用防爆电器设备的有关规定》设计制造的,并通过***指定的防爆检验部门检验,其防爆合格证编号为GBY91158。防爆标志为:ExibIICT5(853简易型无防爆证)变送器与装在控制室里的关联设备或安全栅配套使用组成本质安全型防爆系统。YSZA防腐型适用于对腐蚀性的气体或液体的测量。YSZA简易型仪表内可充油,应用在有振动的场所。本仪表还可以通过配接化学密封隔离体,用于对具有较强腐蚀性且黏度较大易结晶的液体的测量。PRODUCTOVERVIEWThetwo-linepressuretran***itterhasthefuncti***ofspotdisplayandoutputdistance.Thedisplaypartisabourdontubepressuregaugeandpressuretran***itter,relevantapparatustobetheoutputpart.Thisproductiswidelyusedinpetrochemical,pharmacy,steelmakingandsoon.Thetran***ittersareintrinsicallysafestyledesignedandmanufacturedinaccordancewiththeNationalStandardofGB3836-83fortheelectricequipmentusedinhazardousareas.CertificateofqualityNo.,GBY91158Identificationcode:ibⅡcT5(Identificationcode:ibcT5(withoutexplosion-proofcertificatefor853facilitystyle)YSZA-corrosion-proofistomeasurethecausticgasorliquid.YSZB-facilitystyleisabletobefilledwithoil,appliedtothevibrationsurroundings.Thegaugealsocanbedeployedwithinsulati***tomeasurethecaustic,ropyandcrystalmedium.性能特点●选用进口测压传感器作为敏感元件,其产品精度高,反应快。●采用国外成熟的电路设计,具有较强的稳定可靠性。●结构简单,体积小,重量轻,便于安装,维修和调试。●在输出电信号的同时,现场可以直接读出压力值。Feature:●Importedsensorasmeasuringelementwithhighaccuracyandquickresp***e;●Designedwithforeignadvancedelectriccircuitforreliabilityandstability;●Compact,light,simpleandeasyforinstallation,maintenannceandoperation;●Pressurevaluescanbereadatthesametimeoftheoutputofelectricsignal.主要技术参数测量范围:0.1~60MPa;(简易型0.1-25MPa)-0.1~0MPa;-0.1~2.4MPa连接尺寸:M20×1.5阳螺纹(或其他特殊要求)法兰连接卫生隔膜连接公称外径:φ100mm/φ150mm工作电压:24V.DC(+10%-5%)输出信号:4~20mA.DC(1~5V.DC)精度:输出信号&plu***n;0.5%,现场显示&plu***n;1.5%负载电阻:(VS-12)/20(VS工作电压)过压极限:130%使用温度:-10℃~+55℃灵敏度温度附加误差:<0.3%/10℃测压元件:陶瓷传感器外壳:SUS304度盘:铝合金,白底黑刻线玻璃:普通玻璃接线盒:PVC防护等级:IP54(普通标准型)充油耐震式IP65(简易型)防爆等级:ExibIICT5防爆证号:CE042028Glass:CommonglassSpecificati***Range:0.1~60MPa;(Facilitytype0.1-25MPa)-0.1~0MPa;-0.1~2.4MPaConnection:M20×1.5male(orotherrequests)FlangeconnectionSanitarydiaphragmconnectionDiameter:φ100mm/φ150mmWorkingvoltage:24V.DC(+10%-5%)Signaloutput:4~20mA.DC(1~5V.DC)Accuracy:Signaloutput&plu***n;0.5%,Localdisplay&plu***n;1.5%Loadingresistance:(VS-12)/20(VSWorkingvoltage)Overpressurelimited:130%Workingtemperature:-10℃~+55℃Temperatureerror:<0.3%/10℃Element:CeramicsensorCase:SUS304Dial:Aluminiumalloy,blacklettersinwhitegroundWindow:CommonglassJunctionbox:PVCProtectclass:IP54(standardtype)OilfilledtypeIP65(Facilitytype)Explosion-proof:ExibIICT5Explosion-proofcertificate:CE042028外型结构及安装方式压力变送器应尽量安装在温度梯度和温度波动小的测压点上,同时还要避免考虑到振动和冲击的影响。变送器应直接安装在测量点上,但强腐蚀性的或过热的介质不应与变送器直接接触,需配装化学密封组件或散热器等进行隔离保护,再把取压口介质压力传输到变送器。StructureandinstallationItisbettertobeinstalledtotheplacewithlittletemperaturefluctuateand***oidthevibrationandmakesurethesealingoftheconnectionpart,itisbettertowraptheadhesivetapebeforefixingtheshouldbeinstalledonthemeasuringpointbutnottotouchthemediumwithstrongcorruptandhightemperature.Itisbettertomakeatransitionbyaspecialpipe.系统连接及调试变送器在测量系统中的连接见图,建议电源电压Us选用24V。二次仪表中采样电阻(负载电阻)RL的阻值选用250Ω。如果Us和RL选用别的数值,那么RL值不能超过由公式RL=VS-12/0.02计算得到的数值。ConnectionanddebuggingSeethechartasfollow.SuggestthesupplyUstobe24V.TheconnectedgaugeshouldbeRL=250Ω。IfyouchooseotherdateforUsandRL,theRLcannotexceedRL=VS-12/0.02.Usewirestosealtheholesonthesidesofthetran***itterorinstallthesignalwiretotheholesandfixbytightnut.Theholewithoutusedshouldbesealed.出厂前压力变送器已按订货要求调试合格,用户无需再做调整。长时间使用后如需重新标定,可分别调整“调零电位器”和“调量程电位器”。压力量程的下限值对应于4mA,上限值对应20mA.(Z-调零电位器S-调量程电位器)Thetran***itterhasbeendebuggedasthecustomer’srequest,noneedtodebugagain.Afterlongtimeofusing,ifneeded,itcanbedebuggedbyadjust“Zeroelectricdevice”and“Rangeelectricdevice”.Thedownlimitoftherangeshouldbecorrespondingwith4mA,anduplimitwillbewith20mA.(Z-Zeroelectricdevice,Srangeelectricdevice)安装1.直接安装在测量点上(任意角度)。2.尽量安装在温度梯度与温度波动小的测压点上,同时避免强振动和冲击。3.室外安装时,尽可能放置于保护盒内,避免阳光直射和雨淋,以保持变送器性能稳定和延长使用寿命。4.测量蒸汽或其它高温介质时,注意不要使变送器的工作温度超限。必要时,请安装散热器或其它冷却装置连接。5.安装时应在变送器和介质之间加装压力截止阀,以便检修和防止取压口堵塞而影响测量精度。在压力波动范围大的场合还应加装阻尼器或压力缓冲装置。Installationnotes1.Directinstalltothemeasuringpoint(anyangles).2.Itisbettertobewithlesstemperaturefluctuationand***oidthestrongvibration.3.Ifitisneededtoinstalloutsideofthehouse,itisbettertoputitintoaprotectcaseto***oidsunandrain.4.Whilemeasuringthehightemperaturemediums,pleasedonotexceedthetemperaturelimitation.Ifnecessary,fititwithcoolingdevices.5.Addpressurecut-offvalvebetweenthetran***itterandthemediumandaddthedampersifthepressurechangesalot.产品详细资料请点击:S.YSZ两线防爆压力变送器.pdf变送器、防爆压力变送器、现场指示型变送器YSZA/YSZB)